ADF7021-N - Analog Devices

ߛႠీ
቏‫ټ‬๭݀ഗIC
ADF7021-N
༬Ⴀ
ೌాण‫ׯ‬VCOࢅၭຕN‫ݴ‬ೕ໮၎࣍DŽPLLDž
ೌాण‫ׯ‬7࿋ADCࢅ࿒‫ߌد܈‬ഗ
ඇጲ‫ۯ‬ೕ୲੦዆࣍ୟDŽAFCDž
ຕጴথ๭႑ࡽഽ‫܈‬ኸ๖DŽRSSIDž
ण‫ׯ‬๭݀DŽTx/RxDžਸ࠲
ู‫ۉ‬ఇ๕ူႅ୑‫ྺୁۉ‬0.1 μA
‫ࡼࠀگ‬Ă቏‫ټ‬๭݀ഗ
૧ᆩມVCO‫ڦ‬ೕ‫ྷݔټ‬ǖ
80 MHz዁650 MHz
842 MHz዁916 MHz
੗Պ‫ײ‬ዐೕ୳հഗ‫ྺ੻ټ‬9 kHzĂ13.5 kHzࢅ18.5 kHz
ۙ዆‫ݛ‬๕ǖ2FSKĂ3FSKĂ4FSKĂMSK
ೕ೷ኝႚ‫ݛ‬๕ǖߛຯࢅืᇆ၀୳հ
ኧ‫ڦ׼‬ຕ਍໏୲ǖ0.05 kbps዁24 kbps
2.3 V዁3.6 V‫ۉ‬ᇸࠃ‫ۉ‬
੗Պ‫ײ‬๼‫୲ࠀ؜‬:
-16 dBm዁+13 dBmLj63߲օ‫ޗ‬
ጲ‫ٷݣ୲ࠀۯ‬ഗDŽPADžၽೢ੦዆
থ๭ऐଳ௺‫܈‬:
100 bpsĂ2FSK้−130 dBm
1 kbpsĂ2FSK้-122 dBm
ኟሞฤ൩ጆ૧‫ాೌڦ‬৥ၟᅞ዆ၯጚ
ᆌᆩ
቏‫܌ټ‬ਐ૗࿮၍‫ۉ‬ཚ႑ยԢDŽSRDDžՔጚǖ
ARIB STD-T67ĂETSI EN 300 220ĂࡣࡔSRDՔጚĂ
FCC Part 15ĂFCC Part 90ĂFCC Part 95
‫ׯگ‬Ԩ࿮၍ຕ਍‫د‬๼
ᇺ‫ײ‬੦዆/Ҿඇဣཥ
࿮၍ऺଉ
࿮၍ᅅଐᄫ֪‫ޜ‬ခDŽWMTSDž
ॆབྷጲ‫ࣅۯ‬
ࡗ‫୍ࢅײ‬ᇔ੦዆
ლࢬऐ
ࠀీ઀཮
CE
RSET
TEMP
SENSOR
RLNA
MUX
7-BIT ADC
2FSK
3FSK
4FSK
LNA
RFIN
RSSI/
LOG AMP
IF FILTER
RFINB
CREG(1:4)
MUXOUT
LDO(1:4)
TEST MUX
CLOCK
AND DATA
RECOVERY
DEMODULATOR
TxRxCLK
Tx/Rx
CONTROL
TxRxDATA
SWD
GAIN
AGC
CONTROL
SLE
SERIAL
PORT
AFC
CONTROL
PA RAMP
DIV P
VCO1
VCO2
VCOIN
SCLK
GAUSSIAN/
RAISED COSINE
FILTER
3FSK
ENCODING
CP
PFD
DIV R
L2
2FSK
3FSK
4FSK
MOD CONTROL
Σ-Δ
MODULATOR
÷2
MUX
L1
N/N + 1
SREAD
CPOUT
OSC
OSC1
OSC2
CLK
DIV
CLKOUT
07246-001
÷1/÷2
RFOUT
SDATA
཮1
Rev. 0
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responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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©2008 Analog Devices, Inc. All rights reserved.
ADIዐ࿔Ӳຕ਍๮֩๟ᆈ࿔Ӳຕ਍๮֩‫ڦ‬ᅳ࿔Lj৤൩ଌ঴‫݋‬ᅳዐ੗ీ٪ሞ‫ڦ‬ᇕჾፇኯई‫݋‬ᅳ‫ٱ‬ဃLjADIփ‫݋ܔ‬ᅳዐ٪ሞ‫ֶڦ‬ᅴईᆯׂُิ‫ٱڦ‬ဃ޶ሴăසႴඓණඪࢆَᇕ‫ڦ‬ጚඓႠLj൩֖੊ADI༵ࠃ
‫ڦ‬ፌႎᆈ࿔Ӳຕ਍๮֩ă
ADF7021-N
ణ୤
༬Ⴀ
1
!
঴ۙĂॠհࢅCDR
32
ᆌᆩ
1
!
থ๭ऐยዃ
34
ࠀీ઀཮
1
!
঴ۙഗ੊୯ᅺ໎
36
Ⴊ۩૦๏
2
ᆌᆩ႑တ
38
߁ຎ
3
!
ዐೕ୳հഗ‫੻ټ‬ၯጚ
38
रຍࡀ߭
LNA/PA೅ದ
39
RFࢅPLLࡀ߭
4
!
৥ၟᅞ዆ၯጚ
40
!
݀พࡀ߭
5
!
‫ݴ‬ፇ঳ࠓतՊஓ
42
!
থ๭ऐࡀ߭
6
!
‫؛‬๔ฉ‫ࢫۉ‬Պ‫ײ‬
42
!
ຕጴࡀ߭
9
‫ز‬ႜথ੨
46
!
ཚᆩࡀ߭
10
!
࣮‫߭܁‬๕
46
!
้Ⴞ༬Ⴀ
11
!
ྲ੦዆ഗ/DSPথ੨
48
!
้Ⴞ཮
12
!
स٪ഗ 0—Nस٪ഗ
49
ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ
15
!
स٪ഗ1—VCO/ና‫ږ‬ഗस٪ഗ
50
15
!
स٪ഗ2—݀พۙ዆स٪ഗ
51
ᆅগದዃࢅࠀీ௮ຎ
16
!
स٪ഗ3—݀พ/থ๭้ዓस٪ഗ
52
‫ۆ‬႙߾ፕ༬Ⴀ
18
!
स٪ഗ4—঴ۙഗยዃस٪ഗ
53
ೕ୲ࢇ‫ׯ‬ഗ
22
!
स٪ഗ5—ዐೕ୳հഗยዃस٪ഗ
54
!
एጚ๼෇
22
!
स٪ഗ6—ዐೕ৛ၯยዃस٪ഗ
55
MUXOUT
23
!
स٪ഗ7—࣮‫܁‬ยዃस٪ഗ
56
!
‫ۉ‬უ੦዆ና‫ږ‬ഗ)VCO*
24
!
स٪ഗ8—ู‫֪ۉ‬๬स٪ഗ
57
!
჋ስཚ‫ڢ‬ᅜइ‫ڥ‬ፌॅဣཥႠీ
25
!
स٪ഗ9—AGCस٪ഗ
58
26
!
स٪ഗ10—AFCस٪ഗ
59
RF๼‫؜‬प
26
!
स٪ഗ11—ཞօጴॠ֪स٪ഗ
60
!
ೕ೷ኝႚ
28
!
स٪ഗ12—SWD/ពኵยዃस٪ഗ
60
!
ۙ዆ࢅ୳հ჋ၜ
29
!
स٪ഗ13—3FSK/4FSK঴ۙस٪ഗ
61
!
݀พჽ‫׿‬
29
!
स٪ഗ14—֪๬DACस٪ഗ
62
!
֪๬ஓ݀ิഗ
29
!
स٪ഗ15—֪๬ఇ๕स٪ഗ
63
থ๭ऐև‫ݴ‬
30
ྔႚ؅٫
64
RFമ‫܋‬
30
!
64
ዐೕ୳հഗ
30
RSSI/AGC
30
ESDয়ߢ
݀พऐ
!
4
Ⴊ۩૦๏!
2008౎2ሆ—ӲԨ0:‫؛‬๔Ӳ
Rev. 0 | Page 2 of 64
۩ࠔኸళ
ADF7021-N
߁ຎ
ADF7021-N๟ᅃ੼एᇀADF7021‫ߛڦ‬ႠీĂ‫୲ࠀگ‬Ă቏‫ټ‬
๭݀ഗLjᆛᆶ9 kHzĂ13.5 kHzࢅ18.5 kHz‫ڦ‬ዐೕ୳հഗ‫ټ‬
੻Ljྜඇ‫߳ࢇޙ‬ዖඇ൰቏‫ټ‬ཚ႑ՔጚLjᆮഄ๟ఫၵᄲ൱
12.5 kHzཚ‫ݴڢ‬૗‫ڦ‬Քጚă
ADF7021-N੗ሞ቏‫ټ‬Ă௨ኴቷISMೕ܎ᅜत80 MHz዁650
MHzࢅ842 MHz዁916 MHzೕ୲‫ڦྷݔ‬༬Ⴙኴቷೕ܎ా߾
ፕă޿ഗॲਏᆶߛຯࢅืᇆ၀ଇዖ݀ໃຕ਍୳հ჋ၜLjᆩ
ᅜ߀฀቏‫ټ‬ᆌᆩ‫ڦ‬ೕ೷ၳ୲ă໲๢ࢇ‫ࢇޙ‬ᅜူՔጚई݆ࡀ
‫ۉڦ‬ୟᆌᆩǖනԨARIB STD-T67Ă౹ዞETSI EN 300 220Ă
ࡣࡔৎ‫ײ‬ยԢ࠶૙݆ࡀĂዐࡔৎ‫ײ‬ยԢ࠶૙݆ࡀᅜतԛெ
FCC Part 15ĂPart 90ࢅPart 95॔࠶ՔጚăADF7021-NኻႴ
ณଉྔև‫ݴ‬૬ഗॲՍ੗ࠓॺᅃ߲ྜኝ‫ڦ‬๭݀ഗLjᅺُ‫׉ݥ‬
๢ᆩᇀॏ߭௺ߌࢅ൶ᇘ௺ߌ‫ڦ‬ᆌᆩă
ཚࡗᅃဣଚೌాFSKۙ዆ࢅຕ਍୳հ჋ၜLjᆩࢽ੗ᅜ߸ଳ
ऄጲස‫ں‬჋ስۙ዆‫ݛ‬ӄLjཞ้஢ፁჹ߭ೕ೷ၳ୲ᄲ൱ă
ADF7021-N࣏ኧ‫׼‬ሞ2FSKĂ3FSKࢅ4FSKक़‫ۯ‬ༀൎ࣑‫ڦ‬ၹ
ᅱLjᅜ؊‫ݴ‬ક‫ٷ‬ཚ႑‫ྷݔ‬ժ༵ߛຕ਍ཾུଉă
݀พև‫ݴ‬Ԉࡤଇ߲‫ۉ‬უ੦዆ና‫ږ‬ഗ)VCO*ࢅᅃ߲๼‫؜‬ೕ୲
‫ݴ‬Ր୲<1 ppm‫گ‬ሯำၭຕN‫ݴ‬ೕPLLăഄዐᅃ߲VCO૧ᆩ
ాևLCၿና)421 MHz዁458 MHzLj842 MHz዁916 MHz*Lj
ଷᅃ߲૧ᆩྔև‫ߌۉ‬ፕྺഄၿና‫ۉ‬ୟ)80 MHz዁650 MHz*
‫ڦ‬ᅃև‫ݴ‬ăມVCOยऺํ၄ມೕ‫֡ټ‬ፕLjᆩࢽ़੗ᅜሞా
և‫ߌۉ‬VCOኧ‫ڦ׼‬ඪᅪೕ୲ူ৊ႜ๭݀Ljᄺ੗ᅜሞྔև‫ۉ‬
ߌVCOኧ‫ڦ׼‬༬ۨೕ‫ူټ‬৊ႜ๭݀ă
ཚ ࡗ ੺ ໏ Վ ೕ PLLLj ADF7021-N੗ ᆌ ᆩ ᇀ ཌ ೕ Ă ક ೕ
(FHSS)ဣཥăଇ߲VCO਩֑ᆩଇԠएೕ߾ፕLj३ณሗො݀
พࢅೕ୲ഡᆅ࿚༶ă
݀พऐ๼‫୲ࠀ؜‬੗ሞ−16 dBm‫ڟ‬+13 dBmኮक़‫ݴ‬63߲օ‫ޗ‬Պ
‫ײ‬ժᆛᆶጲ‫୲ࠀۯ‬ၽೢ੦዆ࠀీLjᅜՆ௨ೕ೷ሗොժᆶዺ
ᇀ஢ፁ݆ࡀՔጚă๭݀ഗพೕೕ୲Ăཚ‫ڢ‬क़߰ࢅۙ዆‫ۼ‬੗
ᅜ૧ᆩ०‫ڦڇ‬ෙ၍๕থ੨ઠՊ‫ײ‬ă޿ഗॲ֑ᆩ2.3 V዁3.6 V
‫ۉ‬ᇸࠃ‫ۉ‬Ljኧ‫ీࠀ܏࠲׼‬ă
থ๭ऐ֑ᆩ‫گ‬ዐೕॐࠓ(100 kHz)Ljփৈࠀࡼፌ‫گ‬Ăྔևᇱ
ॲຕፌณLjܸ൐੗Ն௨‫گ‬ೕ้‫ڦ‬኱ୁೋዃࢅ෻ຮሯำăዐ
ೕ୳հഗਏᆶ9 kHzĂ13.5 kHzࢅ18.5 kHz‫ڦ‬੗Պ‫੻ټײ‬ă
ADF7021-Nኧ‫߳׼‬ዖ੗Պ‫ײ‬༬ႠLjԈઔথ๭‫ڦ‬၍Ⴀ‫܈‬Ăଳ
௺‫ࢅ܈‬ዐೕ‫੻ټ‬Ljᆩࢽ੗ߵ਍ਏ༹ᆌᆩሞথ๭ऐଳ௺‫ࢅ܈‬
჋ስ‫܈‬ᇑࠀࡼኮक़৊ႜൽปăথ๭ऐ࣏ᆛᆶኟሞฤ൩ጆ૧
‫ڦ‬ጲ‫ۯ‬ೕ୲੦዆)AFC*࣍ୟLjվጛ‫ྷݔ‬੗Պ‫ײ‬LjሎႹPLL߶
ጷ๼෇႑ࡽዐ‫ڦ‬ೕ୲ဃֶă
૧ᆩኟሞฤ൩ጆ૧‫ڦ‬৥ၟᅞ዆)IR*ၯጚ‫ݛ‬ӄLj࿮Ⴔ๑ᆩྔ
ևRFᇸLjথ๭ऐ‫ڦ‬৥ၟᅞ዆Ⴀీ੗‫ڟٳ‬56 dBă
ೌాADC༵ࠃण‫ׯ‬࿒‫ߌد܈‬ഗĂྔևఇె๼෇Ă‫ۉ׾ۉ‬უ
ࢅRSSI႑ࡽ‫܁࣮ڦ‬Ljᅺܸሞగၵᆌᆩዐ੗३ณADCਸၨă
࿒‫ߌد܈‬ഗሞ−40°C዁+85°C‫ڦ‬ኝ߲߾ፕ࿒‫ాྷݔ܈‬৛‫ٳ܈‬
‫ڟ‬±10°Căሞ๪࿒ူ৊ႜ1‫ۅ‬ၯጚժॽ঳ࡕ٪‫ئ‬ሞ٪‫ئ‬ഗా
੗༵ߛُ৛‫܈‬ă
Rev. 0 | Page 3 of 64
ADF7021-N
रຍࡀ߭
‫ݥأ‬ଷᆶำ௽LjVDD = 2.3 V዁3.6 VLjGND = 0 VLjTA = TMIN዁TMAXă‫ۆ‬႙ࡀ߭‫ڦ‬ཉॲǖVDD = 3 VLjTA = 25°Că
‫ݥأ‬ଷᆶำ௽Lj໯ᆶ֪ଉ‫ۼ‬๟ཚࡗEVAL-ADF7021-NDBxxDŽ֑ᆩPN9ຕ਍ႾଚDž৊ႜ‫ڦ‬ă
RFࢅPLLࡀ߭
՗1
֖ຕ
RF༬Ⴀ
ೕ୲‫ྷݔ‬DŽ኱থ๼‫؜‬Dž
ೕ୲‫ྷݔ‬DŽRFܾ‫ݴ‬ೕఇ๕Dž
६ೕ६၎ഗDŽPFDDžೕ୲1
໮၎࣍DŽPLLDž
VCOሺᅮ2
868 MHzLjాև‫ߌۉ‬VCO
426 MHzLjాև‫ߌۉ‬VCO
426 MHzLjྔև‫ߌۉ‬VCO
160 MHzLjྔև‫ߌۉ‬VCO
၎࿋ሯำDŽ‫ాټ‬Dž
868 MHzLjాև‫ߌۉ‬VCO
ፌၭኵ!!‫ۆ‬႙ኵ!!
ፌ‫ٷ‬ኵ
‫ڇ‬࿋
650
916
325
458
24
MHz
MHz
MHz
MHz
MHz
160
842
80
421
RF/256
֪๬ཉॲ0ጀ๥!
࠲ᇀ໯Ⴔ‫ڦ‬VCO_BIASࢅVCO_ADJUSTยዃLj
൩֖९՗9ă
ྔև‫ߌۉ‬VCO
ాև‫ߌۉ‬VCO
ྔև‫ߌۉ‬VCOLjഔᆩRFܾ‫ݴ‬ೕ
ాև‫ߌۉ‬VCOLjഔᆩRFܾ‫ݴ‬ೕ
67
45
27
6
MHz/V
MHz/V
MHz/V
MHz/V
VCO_ADJUST = 0, VCO_BIAS = 8
VCO_ADJUST = 0, VCO_BIAS = 8
VCO_ADJUST = 0, VCO_BIAS = 3
VCO_ADJUST = 0, VCO_BIAS = 2
−97
dBc/Hz
433 MHzLjాև‫ߌۉ‬VCO
−103
dBc/Hz
426 MHzLjྔև‫ߌۉ‬VCO
−95
dBc/Hz
၎࿋ሯำDŽ‫ྔټ‬Dž
−124
dBc/Hz
ࡃᅃࣅ‫ాټ‬၎࿋Ԩ‫ڹ‬ሯำ3
PLLॺ૬้क़
−203
40
dBc/Hz
μs
10 kHzೋᅎ, PA = 10 dBm, VDD = 3.0 V,
PFD = 19.68 MHz, VCO_BIAS = 8
10 kHzೋᅎ, PA = 10 dBm, VDD = 3.0 V,
PFD = 19.68 MHz, VCO_BIAS = 8
10 kHzೋᅎ, PA = 10 dBm, VDD = 3.0 V,
PFD = 9.84 MHz, VCO_BIAS = 3
1 MHzೋᅎ, fRF = 433 MHz, PA = 10 dBm,
VDD = 3.0 V, PFD = 19.68 MHz, VCO_BIAS = 8
एጚ๼෇
ৗናएጚᇸ4
ྔևና‫ږ‬ഗ4, 5
ৗናഔ‫้ۯ‬क़6
XTALೋዃ = 20 μA
XTALೋዃ = 35 μA
ྔևና‫ږ‬ഗ๼෇‫ۉ‬ೝ7
OSC1
OSC2
ADC֖ຕ
INL
DNL
3.625
3.625
24
24
Ӏ10 MHzೕ୲օ৊֪ۨLj৛‫ྺ܈‬5 ppmᅜాLj
PFD = 19.68 MHzLj࣍ୟ‫੻ټ‬DŽLBWDž= 100 kHz
MHz
MHz
0.930
0.438
ms
ms
10 MHz XTALLj33 pF޶ሜ‫ۉ‬ඹLjVDD = 3.0 V
10 MHz XTALLj33 pF޶ሜ‫ۉ‬ඹLjVDD = 3.0 V
0.8
CMOS ‫ۉ‬ೝ!
V p-p
V
၌‫ޗ‬ኟ၀հ
±0.4
±0.4
LSB
LSB
VDD = 2.3 V዁3.6 V, T A = 25°C
VDD = 2.3 V዁ 3.6 V, T A = 25°C
༬ۨRFೕ୲ူ‫ڦ‬ፌ‫ٷ‬੗ᆩPFD๴ፌၭN‫ݴ‬ೕኵ၌዆ă
VCOሺᅮሞ0.7 V VCOۙၿ‫ۉ‬უူ֪‫ڥ‬Ljሞኝ߲VCOۙၿ‫ాྷݔ‬հ‫ۯ‬ăኄዖՎࣅ੗૧ᆩADIsimPLL™෉ॲԈઠॺఇă
3.　ُኵ੗ᆩઠऺ໙ඪࢆ߾ፕೕ୲‫ాټڦ‬၎࿋ሯำăऺ໙ࠀ୲‫ٷݣ‬ഗDŽPADž๼‫ాټڦ܋؜‬၎࿋ሯำႠీ้Lj൩๑ᆩᅜူࠅ๕ǖ−203 + 10 log(fPFD) + 20 logNă
4.　ཚࡗยऺेᅜԍኤăᄣೌঢ়ࡗ֪๬Ljᅜඓԍ‫ࢇޙ‬Քጚᄲ൱ă
5.　TCXOĂVCXOईOCXO੗ᆩፕྔևና‫ږ‬ഗă
6.　ৗናഔ‫้ۯ‬क़๟ኸॽႊೌ๑ీDŽCEDžዃ࿋ᅜՍሞCLKOUTᆅগฉၯኟ้ዓೕ୲‫้ڦ‬क़ă
7.　ᆶ࠲සࢆ૧ᆩྔևና‫ږ‬ഗ‫ၘڦ‬൧Lj൩֖९एጚ๼෇և‫ݴ‬ă
1.　2.　Rev. 0 | Page 4 of 64
ADF7021-N
݀พࡀ߭!
՗2
֖ຕ
ຕ਍໏୲
2FSK, 3FSK
4FSK
ۙ዆!
ೕ୲ೋֶ(fDEV)2
ೕ୲ೋֶ‫ݴ‬Ր୲
ߛຯ୳հഗBT
ืᇆ၀୳հഗAlpha
݀พࠀ୲!
ፌ‫݀ٷ‬พࠀ୲3
݀พࠀ୲Վࣅࢅ࿒‫࠲ڦ܈‬ဣ
ፌၭኵ!!‫ۆ‬႙ኵ!! ፌ‫ٷ‬ኵ ‫ڇ‬࿋
֪๬ཉॲ0ጀ๥!
0.05
0.05
18.5 1
24
kbps
kbps
IF_FILTER_BW = 18.5 kHz
IF_FILTER_BW = 18.5 kHz
0.056
0.306
56
28.26
156
kHz
kHz
Hz
PFD = 3.625 MHz
PFD = 20 MHz
PFD = 3.625 MHz
0.5
0.5/0.7
Պ‫ײ‬
+13
±1
dBm
dB
VDD = 3.0 V, TA = 25°C
−40°C ዁ +85°C
±1
±1
0.3125
dB
dB
dB
2.3 V ዁ 3.6 V at 915 MHz, TA = 25°C
902 MHz ዁ 928 MHz, 3 V, TA = 25°C
−16 dBm ዁ +13 dBm
ତ‫୲ࠀڢ‬DŽACPDž
426 MHzLjྔև‫ߌۉ‬VCO
12.5 kHzཚ‫ڢ‬क़߰
−50
dBc
PFD = 9.84 MHz
ߛຯ2FSKۙ዆Ljሞ±4.25 kHz‫֪ۨాྷݔ੻ټ‬ǖ±12.5 kHzೋᅎĂ
2.4 kbps PN9ຕ਍Ă1.2 kHzೕ୲ೋֶLj‫ࢇޙ‬ARIB STD-T67
25 kHzཚ‫ڢ‬क़߰
−50
dBc
ߛຯ2FSKۙ዆Ljሞ±8 kHz‫֪ۨాྷݔ੻ټ‬ǖ±25 kHzೋᅎĂ
9.6 kbps PN9ຕ਍Ă2.4 kHzೕ୲ೋֶLj‫ࢇޙ‬ARIB STD-T67
−46
dBm
−43
dBm
−50
dBm
−47
dBm
3.9
9.9
kHz
kHz
4.4
10.2
kHz
kHz
3.9
9.5
kHz
kHz
13.2
kHz
݀พࠀ୲ՎࣅࢅVDD‫࠲ڦ‬ဣ
݀พࠀ୲ೝ།‫܈‬
੗Պ‫ײ‬օ৊‫ٷ‬ၭ
868 MHzLjాև‫ߌۉ‬VCO
12.5 kHzཚ‫ڢ‬क़߰
25 kHzཚ‫ڢ‬क़߰
433 MHzLjాև‫ߌۉ‬VCO
12.5 kHzཚ‫ڢ‬क़߰
25 kHzཚ‫ڢ‬क़߰
OCCUPIED BANDWIDTH
2FSKߛຯຕ਍୳հ
12.5 kHzཚ‫ڢ‬क़߰
25 kHzཚ‫ڢ‬क़߰
2FSKืᇆ၀ຕ਍୳հ
12.5 kHzཚ‫ڢ‬क़߰
25 kHzཚ‫ڢ‬क़߰
3FSKืᇆ၀୳հ
12.5 kHzཚ‫ڢ‬क़߰
25 kHzཚ‫ڢ‬क़߰
4FSKืᇆ၀୳հ
25 kHzཚ‫ڢ‬क़߰
PFD = 19.68 MHz
ߛຯ2FSKۙ዆Lj10 dBm๼‫୲ࠀ؜‬Ljሞ±6.25 kHz‫֪ాྷݔ੻ټ‬
ۨǖ±12.5 kHzೋᅎĂ2.4 kbps PN9ຕ਍Ă1.2 kHzೕ୲ೋֶLj‫ޙ‬
ࢇETSI EN 300 220
ߛຯ2FSKۙ዆Lj10 dBm๼‫୲ࠀ؜‬Ljሞ±12.5 kHz‫֪ాྷݔ੻ټ‬
ۨǖ±25 kHzೋᅎĂ9.6 kbps PN9ຕ਍Ă2.4 kHzೕ୲ೋֶLj‫ࢇޙ‬
ETSI EN 300 220
PFD = 19.68 MHz
ߛຯ2FSKۙ዆Lj10 dBm๼‫୲ࠀ؜‬Ljሞ±6.25 kHz‫֪ాྷݔ੻ټ‬
ۨǖ±12.5 kHzೋᅎĂ2.4 kbps PN9ຕ਍Ă1.2 kHzೕ୲ೋֶLj‫ޙ‬
ࢇETSI EN 300 220
ߛຯ2FSKۙ዆Lj10 dBm๼‫୲ࠀ؜‬Ljሞ±12.5 kHz‫֪ాྷݔ੻ټ‬
ۨǖ±25 kHzೋᅎĂ9.6 kbps PN9ຕ਍Ă2.4 kHzೕ୲ೋֶLj‫ࢇޙ‬
ETSI EN 300 220
99.0%ጺೝ਩ࠀ୲Ǘ12.5 kHzཚ‫ڢ‬क़߰)2.4 kbps PN9ຕ਍Lj1.2
kHzೕ୲ೋֶ*Ǘ25 kHzཚ‫ڢ‬क़߰)9.6 kbps PN9ຕ਍Ă2.4 kHzೕ
୲ೋֶ*
19.2 kbps PN9ຕ਍Lj1.2 kHzೕ୲ೋֶ
Rev. 0 | Page 5 of 64
ADF7021-N
֖ຕ
ሗො݀พ
֖੊ሗො
ၿհ4
ْܾၿհ
ෙْၿհ
໯ᆶഄ໱ၿհ
ፌၭኵ!!‫ۆ‬႙ኵ!! ፌ‫ٷ‬ኵ ‫ڇ‬࿋
ፌॅPA޶ሜፆੇ5
fRF = 915 MHz
fRF = 868 MHz
fRF = 450 MHz
fRF = 426 MHz
fRF = 315 MHz
fRF = 175 MHz
−65
dBc
−35/−52
−43/−60
−36/−65
dBc
dBc
dBc
39 + j61
48 + j54
98 + j65
100 + j65
129 + j63
173 + j49
Ω
Ω
Ω
Ω
Ω
Ω
֪๬ཉॲ0ጀ๥!
100 kHz࣍ୟ‫੻ټ‬
13 dBm๼‫୲ࠀ؜‬Lj࿄୳հ‫ڞد‬/୳հ‫ڞد‬
૧ᆩߛຯईืᇆ၀୳հă჋ስ‫ڦ‬ೕ୲ೋֶᆌీඓԍ݀พ቞ᆩ႑ࡽ‫ت੻ټ‬ᇀথ๭ऐዐೕ୳հഗ‫ా੻ټ‬ă
ᆶ࠲ೕ୲ೋֶ‫ۨڦ‬ᅭLj൩֖९स٪ഗ2—݀พۙ዆स٪ഗև‫ݴ‬ă
3.
Ӏፌ‫ٷ‬࿄ۙ዆ࠀ୲֪ۨă
4.
‫୳ڞد‬հၿհ݀พ๟ሞEVAL-ADF7021-NDBxxฉ֪ۨ‫ڦ‬LjࢫኁԈઔᅃ߲Tपၿհ୳հഗDŽଇ߲‫ࢅߌۉ‬ᅃ߲‫ۉ‬ඹDžă
5.
ᆶ࠲೅ದၘ൧Lj൩֖९LNA/PA೅ದև‫ݴ‬ă
1.
2.
থ๭ऐࡀ߭!
՗3
֖ຕ
灵敏度
2FSK
0.1 kbps้ଳ௺‫܈‬
ፌၭኵ!!
‫ۆ‬႙ኵ!!
ፌ‫ٷ‬ኵ
‫ڇ‬࿋
֪๬ཉॲ0ጀ๥!
Բ༬ֶ‫)୲ٱ‬BER* = 10−3Lj‫گ‬ሯำ‫ٷݣ‬ഗ)LNA*ࢅࠀ୲‫ٷݣ‬
ഗ)PA*‫܀ڇ‬೅ದ
−130
dBm
fDEV= 1 kHzLjߛଳ௺‫܈‬ఇ๕LjIF_FILTER_BW = 13.5 kHz
0.25 kbps้ଳ௺‫܈‬
−127
dBm
fDEV= 1 kHzLjߛଳ௺‫܈‬ఇ๕LjIF_FILTER_BW = 13.5 kHz
1 kbps้ଳ௺‫܈‬
−122
dBm
fDEV= 1 kHzLjߛଳ௺‫܈‬ఇ๕LjIF_FILTER_BW = 13.5 kHz
9.6 kbps้ଳ௺‫܈‬
−115
dBm
fDEV= 4 kHzLjߛଳ௺‫܈‬ఇ๕LjIF_FILTER_BW = 18.5 kHz
ߛຯ2FSK
0.1 kbps้ଳ௺‫܈‬
−129
dBm
fDEV= 1 kHzLjߛଳ௺‫܈‬ఇ๕LjIF_FILTER_BW = 13.5 kHz
0.25 kbps้ଳ௺‫܈‬
−127
dBm
fDEV= 1 kHzLjߛଳ௺‫܈‬ఇ๕LjIF_FILTER_BW = 13.5 kHz
1 kbps้ଳ௺‫܈‬
−121
dBm
fDEV= 1 kHzLjߛଳ௺‫܈‬ఇ๕LjIF_FILTER_BW = 13.5 kHz
9.6 kbps้ଳ௺‫܈‬
−114
dBm
fDEV= 4 kHzLjߛଳ௺‫܈‬ఇ๕LjIF_FILTER_BW = 18.5 kHz
GMSK
S9.6 kbps้ଳ௺‫܈‬
−113
dBm
fDEV= 2.4 kHzLjߛଳ௺‫܈‬ఇ๕LjIF_FILTER_BW = 18.5 kHz
升余弦2FSK
0.25 kbps้ଳ௺‫܈‬
−127
dBm
fDEV= 1 kHzLjߛଳ௺‫܈‬ఇ๕LjIF_FILTER_BW = 13.5 kHz
1 kbps้ଳ௺‫܈‬
−121
dBm
fDEV= 1 kHzLjߛଳ௺‫܈‬ఇ๕LjIF_FILTER_BW = 13.5 kHz
9.6 kbps้ଳ௺‫܈‬
−114
dBm
fDEV= 4 kHzLjߛଳ௺‫܈‬ఇ๕LjIF_FILTER_BW = 18.5 kHz
Rev. 0 | Page 6 of 64
ADF7021-N
֖ຕ
3FSK
9.6 kbps้ଳ௺‫܈‬
ፌၭኵ!!‫ۆ‬႙ኵ!!
ፌ‫ٷ‬ኵ
‫ڇ‬࿋
֪๬ཉॲ0ጀ๥!
−110
dBm
fDEV = 2.4 kHz, high sensitivity mode, IF_FILTER_BW =
18.5 kHz, Viterbi detection on
ืᇆ၀3FSK
9.6 kbps้ଳ௺‫܈‬
−110
dBm
fDEV = 2.4 kHz, high sensitivity mode, IF_FILTER_BW =
13.5 kHz, alpha = 0.5, Viterbi detection on
4FSK
9.6 kbps้ଳ௺‫܈‬
−112
dBm
fDEV (inner) = 1.2 kHz, high sensitivity mode,
IF_FILTER_BW = 13.5 kHz
ืᇆ၀4FSK
9.6 kbps้ଳ௺‫܈‬
−109
dBm
fDEV (inner) = 1.2 kHz, high sensitivity mode,
IF_FILTER_BW = 13.5 kHz, alpha = 0.5
๼෇IP3
‫گ‬ሺᅮሺഽ၍Ⴀ‫܈‬ఇ๕
ዐ‫ڪ‬ሺᅮఇ๕
ߛଳ௺‫܈‬ఇ๕
ତ‫ڢ‬ᅞ዆
868 MHz
−3
dBm
ມᅼ֪๬LjfLO= 860 MHzLjF1 = fLO+ 100 kHzLj
F2 = fLO− 800 kHz
LNA_GAIN = 3, MIXER_LINEARITY = 1
−13.5
−24
dBm
dBm
LNA_GAIN = 10, MIXER_LINEARITY = 0
LNA_GAIN = 30, MIXER_LINEARITY = 0
໯Ⴔ႑ࡽ‫ࡗג‬ଳ௺‫ۅ܈‬3 dB)BER = 10−3*Ǘ࿄ۙ዆
߅ඡሞତ‫ڢ‬ዐ႐‫ت‬Ǘᅞ዆֪ۨྺ߅ඡ຤ೝࢅ໯Ⴔ
႑ࡽ຤ೝDŽ‫ڇ‬࿋dBDžኮֶ
12.5 kHzཚ‫ڢ‬क़߰
25 kHzཚ‫ڢ‬क़߰
426 MHz
40
39
dB
dB
9 kHz IF_FILTER_BW
18.5 kHz IF_FILTER_BW
໯Ⴔ႑ࡽ‫ࡗג‬ଳ௺‫܈‬एጚ‫ۅ‬3 dBDŽBER = 10-2DžǗۙ
዆߅ඡDŽᇑ໯Ⴔ႑ࡽ၎ཞۙ዆Džሞତ‫ڢ‬ዐ႐‫ت‬Ǘᅞ
዆֪ۨྺ߅ඡ຤ೝࢅएጚଳ௺‫܈‬຤ೝDŽ‫ڇ‬࿋dBDžኮ
ֶ
12.5 kHzཚ‫ڢ‬क़߰
25 kHzཚ‫ڢ‬क़߰
ཞ‫ڢ‬ᅞ዆
40
39
dB
dB
9 kHz IF_FILTER_BW, ‫ ࢇޙ‬ARIB STD-T67
18.5 kHz IF_FILTER_BW, ‫ ࢇޙ‬ARIB STD-T67
868 MHz
৥ၟཚ‫ڢ‬ᅞ዆
−5
868 MHz
450 MHzLjాև‫ߌۉ‬VCO
໯Ⴔ႑ࡽDŽ2FSKĂ9.6 kbpsñ4 kHzೋֶDž‫ࡗג‬ଳ௺
‫ۅ܈‬3 dBDŽBER = 10−3DžLjۙ዆߅ඡ
dB
໯Ⴔ႑ࡽDŽ2FSKĂ9.6 kbpsñ4 kHzೋֶDž‫ࡗג‬ଳ௺
‫ۅ܈‬10 dBDŽBER = 10−3DžǗ৥ၟೕ୲ྺfRF− 200 kHz้
‫ݣ‬ዃۙ዆߅ඡᇸDŽ2FSKĂ9.6 kbpsñ4 kHzೋֶDžǗ
߅ඡ຤ೝ‫ڿ‬ሺ኱዁BER = 10−3
26/39
29/50
dB
dB
ፆ෗
±1 MHz
±2 MHz
±5 MHz
±10 MHz
ԏࢅDŽፌ‫ٷ‬๼෇‫ۉ‬ೝDž
69
75
78
78.5
12
dB
dB
dB
dB
dBm
Rev. 0 | Page 7 of 64
࿄ၯጚ0ၯጚ 1 , VDD = 3.0 V, TA = 25°C
࿄ၯጚ0ၯጚ 1, VDD = 3.0 V, TA = 25°C
໯Ⴔ႑ࡽ‫ࡗג‬๼෇ଳ௺‫܈‬຤ೝ10 dBǗCW߅ඡഽ‫܈‬
‫ڿ‬ሺ኱዁BER = 10−3
2FSK ఇ๕, BER = 10 −3
ADF7021-N
֖ຕ
RSSI
๼෇‫ྷݔ‬2
၍Ⴀ‫܈‬
ਨ‫ܔ‬৛‫܈‬
ၚᆌ้क़
ጲ‫ۯ‬ೕ୲੦዆
վጛ‫ྷݔ‬
!
ၚᆌ้क़!
৛‫!܈‬
ፌၭኵ!!‫ۆ‬႙ኵ!!
ፌ‫ٷ‬ኵ
‫ڇ‬࿋
֪๬ཉॲ0ጀ๥!
dBm
dB
dB
μs
๼෇ࠀ୲‫!>!ྷݔ‬−211!eCn዁−58!eCn!
๼෇ࠀ୲‫!>!ྷݔ‬−211!eCn዁−58!eCn!
֖९STTJ0BHDև‫!ݴ‬
kHz
੗ሞस٪ഗ10DŽR10_DB[24:31]DžాՊ‫ײ‬
64
0.5
Bits
kHz
๼෇ࠀ୲‫ = ྷݔ‬−100 dBm዁+12 dBm
−91/−91
dBm
ཀ၍๼෇‫<ت‬1 GHzLj࿄୳հ‫ڞد‬/୳հ‫ڞد‬
−52/−70
dBm
ཀ၍๼෇‫>ت‬1 GHzLj࿄୳հ‫ڞد‬/୳հ‫ڞد‬
−62/−72
dBm
ཀ၍๼෇‫<ت‬1 GHzLj࿄୳հ‫ڞد‬/୳հ‫ڞد‬
−64/−85
dBm
ཀ၍๼෇‫>ت‬1 GHzLj࿄୳հ‫ڞد‬/୳հ‫ڞد‬
24 − j60
26 − j63
63 − j129
68 − j134
96 − j160
178 − j190
Ω
Ω
Ω
Ω
Ω
Ω
−120 to −47
±2
±3
390
0.5
1.5 × IF_
FILTER_BW
3
Rxሗො݀พ
ాև‫ߌۉ‬VCO
ྔև‫ߌۉ‬VCO
LNA๼෇ፆੇ
fRF = 915 MHz
fRF = 868 MHz
fRF = 450 MHz
fRF = 426 MHz
fRF = 315 MHz
fRF = 175 MHz
RFIN዁RFGND
৥ၟᅞ዆૧ᆩྔևRFᇸઠၯጚă
থ๭႑ࡽ‫ۉ‬ೝ< −100 dBm้Ljॺᅱ‫֑߲ܠܔ‬ᄣ‫ۅ‬ฉ‫ڦ‬RSSI࣮‫܁‬ኵ൱ೝ਩‫ت‬૙ᅜ༵ߛ‫گ‬๼෇ࠀ୲้‫ڦ‬RSSI৛‫܈‬ă
3.ā
୳հ‫ڞد‬থ๭ሗො݀พ๟ሞEVAL-ADF7021-NDBxxฉ֪ۨ‫ڦ‬LjࢫኁԈઔᅃ߲Tपၿհ୳հഗDŽଇ߲‫ࢅߌۉ‬ᅃ߲‫ۉ‬ඹDžă
1.ā
2.ā
Rev. 0 | Page 8 of 64
ADF7021-N
ຕጴࡀ߭
՗4
֖ຕ
้Ⴞ႑တ
ႊೌ๑ీ዁ۙবഗ৽Ⴣ
ႊೌ๑ీ዁݀พఇ๕
TCXOएጚᇸ
XTAL
ႊೌ๑ీ዁থ๴ఇ๕
TCXOएጚᇸ
XTAL
݀พ-থ๭ዜገ้क़
இड๼෇
๼෇ߛ‫ۉ‬ೝVINH
๼෇‫ۉگ‬ೝVINL
๼෇‫ୁۉ‬IINH/IINL
๼෇‫ۉ‬ඹCIN
੦዆้ዓ๼෇
இड๼‫؜‬
๼‫ۉߛ؜‬ೝVOH
๼‫ۉگ؜‬ೝVOL
CLKOUTฉื/ူই
CLKOUT޶ሜ
ፌၭኵ!!‫ۆ‬႙ኵ!!
ፌ‫ٷ‬ኵ
‫ڇ‬࿋
֪๬ཉॲ0ጀ๥!
10
μs
CREG (1:4) = 100 nF
32࿋स٪ഗႀ෇้क़ = 50 μs
1
2
ms
ms
32࿋स٪ഗႀ෇้क़ = 50 μsLj
ৈ၌ዐೕ୳հഗٚۙၯጚ
1.2
2.2
390 μs + (5 × tBIT)
ms
ms
ཞօຕ਍๼‫้ڦ؜‬क़LjԈઔAGCॺ૬)ෙዖAGC‫ۉ‬ೝ*
ࢅCDRཞօǗᆶ࠲ၘ൧Lj൩֖९AGC႑တࢅ้Ⴞև‫ݴ‬Ǘ
tBIT= ຕ਍࿋ዜ೺
0.2 × VDD
±1
10
50
V
V
μA
pF
MHz
0.4
5
10
V
V
ns
pF
0.7 × VDD
DVDD − 0.4
Rev. 0 | Page 9 of 64
IOH = 500 μA
IOL = 500 μA
ADF7021-N
ཚᆩࡀ߭!
՗5
֖ຕ
࿒‫(ྷݔ܈‬TA)
‫ۉ‬ᇸ
‫ۉ‬ᇸ‫ۉ‬უVDD
݀พ‫ୁۉ‬ၩࡼ1
868 MHz
0 dBm
5 dBm
10 dBm
450 MHzLjాև‫ߌۉ‬VCO
0 dBm
5 dBm
10 dBm
426 MHzLjྔև‫ߌۉ‬VCO
0 dBm
5 dBm
10 dBm
থ๭‫ୁۉ‬ၩࡼ
868 MHz
‫ୁۉگ‬ఇ๕
ߛଳ௺‫܈‬ఇ๕
433MHzLjాև‫ߌۉ‬VCO
‫ୁۉگ‬ఇ๕
ߛଳ௺‫܈‬ఇ๕
426 MHzLjྔև‫ߌۉ‬VCO
‫ୁۉگ‬ఇ๕
ߛଳ௺‫܈‬ఇ๕
ู‫ୁۉۉ‬ၩࡼ
‫ࡼࠀگ‬ລ௥ఇ๕
ፌၭኵ!!‫ۆ‬႙ኵ!!ፌ‫ٷ‬ኵ ‫ڇ‬࿋
−40
+85
°C
֪๬ཉॲ0ጀ๥!
2.3
໯ᆶVDDᆅগՂႷ૶ሞᅃഐ
VDD = 3.0 VLjPA೅ದ‫ׯ‬50 Ω
VCO_BIAS = 8
3.6
V
20.2
24.7
32.3
mA
mA
mA
19.9
23.2
29.2
mA
mA
mA
13.5
17
23.3
mA
mA
mA
VCO_BIAS = 8
VCO_BIAS = 2
VDD = 3.0 V
VCO_BIAS = 8
22.7
24.6
mA
mA
24.5
26.4
mA
mA
17.5
19.5
mA
mA
VCO_BIAS = 8
VCO_BIAS = 2
0.1
1
μA
CE ‫ۉگ‬ೝ!
݀พ‫ୁۉ‬ၩࡼ֪๬๑ᆩ‫ڦ‬ፇࢇ๕PAࢅLNA೅ದྪஏᇑEVAL-ADF7021-NDBxxೠࠚӱฉ໯ᆩ‫ڦ‬၎ཞă૧ᆩ‫ڦ܀ڇ‬PA೅ದྪஏ੗इ‫ڦߛ߸ڥ‬PAࠀၳă
1.　Rev. 0 | Page 10 of 64
ADF7021-N
้Ⴞ༬Ⴀ
‫ݥأ‬ଷᆶำ௽LjVDD = 3 V ± 10%LjDGND = AGND = 0 VLjTA = 25°CăᆶยऺԍኤLj‫ڍ‬࿄ঢ়ิׂ֪๬ă
՗6
֖ຕ
t1
t2
t3
t4
t5
t6
t8
t9
t10
t11
t12
t13
t14
t15
ሞTMIN዁TMAX้‫ڦ‬၌ኵ
>10
>10
>25
>25
>10
>20
<25
<25
>10
5 < t11 < (¼ × tBIT)
>5
>5
>¼ × tBIT
>¼ × tBIT
‫ڇ‬࿋
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
μs
֪๬ཉॲ0ጀ๥!
SDATA዁SCLKॺ૬้क़
SDATA዁SCLKԍ‫้׼‬क़
SCLKߛ‫ۉ‬ೝ‫׼‬Ⴤ้क़
SCLK‫ۉگ‬ೝ‫׼‬Ⴤ้क़
SCLK዁SLEॺ૬้क़
SLEஞ؋੻‫܈‬
SCLK዁SREADຕ਍ᆶၳLj࣮‫܁‬
SCLKኮࢫ‫ڦ‬SREADԍ‫้׼‬क़Lj࣮‫܁‬
SCLK዁SLE্ᆩ้क़Lj࣮‫܁‬
TxRxCLK޶Չᄂ዁SLE
TxRxDATA዁TxRxCLKॺ૬้क़)݀พఇ๕*
TxRxCLK዁TxRxDATAԍ‫้׼‬क़)݀พఇ๕*
TxRxCLK޶Չᄂ዁SLE
SLEኟՉᄂ዁TxRxCLKኟՉᄂ
Rev. 0 | Page 11 of 64
ADF7021-N
้Ⴞ཮
‫ز‬ႜথ੨!
t3
t4
SCLK
t1
SDATA
DB31 (MSB)
t2
DB30
DB0 (LSB)
(CONTROL BIT C1)
DB1
(CONTROL BIT C2)
DB2
t6
t5
཮2.‫ز‬ႜথ੨้Ⴞ཮
t1
07246-002
SLE
t2
SCLK
SDATA
REG7 DB0
(CONTROL BIT C1)
SLE
t3
t10
RV16
RV2
RV15
RV1
X
07246-003
X
SREAD
t9
t8
཮3.‫ز‬ႜথ੨࣮‫้܁‬Ⴞ཮
2FSK/3FSK้Ⴞ
±1 × DATA RATE/32
1/DATA RATE
TxRxCLK
TxRxDATA
07246-004
DATA
཮4. থ๭ఇ๕ူ‫ڦ‬TxRxDATA/TxRxCLK้Ⴞ཮
1/DATA RATE
TxRxCLK
TxRxDATA
FETCH
07246-005
DATA
SAMPLE
཮5. ݀พఇ๕ူ‫ڦ‬TxRxDATA/TxRxCLK้Ⴞ཮
Rev. 0 | Page 12 of 64
ADF7021-N
4FSK้Ⴞ
ሞ4FSKথ๭ఇ๕ူLjMSB/LSBཞօᆌᆯথ๭࿋ୁዐ‫ڦ‬SWDઠԍኤ
REGISTER 0 WRITE
SWITCH FROM Rx TO Tx
tSYMBOL
t13
t12
t11
tBIT
SLE
TxRxCLK
Rx SYMBOL
MSB
Rx SYMBOL
LSB
Rx SYMBOL
MSB
Rx SYMBOL
LSB
Tx SYMBOL
MSB
Tx SYMBOL
LSB
Rx MODE
Tx/Rx MODE
Tx SYMBOL
MSB
Tx MODE
07246-074
TxRxDATA
཮6. 4FSKఇ๕ူ‫ڦ‬থ๭዁݀พ้Ⴞ཮
REGISTER 0 WRITE
SWITCH FROM Tx TO Rx
t15
tSYMBOL
t14
tBIT
SLE
TxRxCLK
Tx/Rx MODE
Tx SYMBOL
MSB
Tx SYMBOL
LSB
Tx SYMBOL
MSB
Tx SYMBOL
LSB
Tx MODE
Rev. 0 | Page 13 of 64
Rx SYMBOL
MSB
Rx SYMBOL
LSB
Rx MODE
07246-075
TxRxDATA
ADF7021-N
UART/SPIఇ๕
UARTఇ๕ཚࡗॽR0_DB28ዃ1ઠഔᆩăSPIఇ๕ཚࡗॽR0_DB28ዃ1ժॽR15_DB[17:19]ዃ0x7ઠഔᆩă݀พ/থ๭ຕ਍้ዓሞ
CLKOUTᆅগฉ༵ࠃă
tBIT
CLKOUT
(TRANSMIT/RECEIVE DATA
CLOCK IN SPI MODE.
NOT USED IN UART MODE.)
Tx BIT
SAMPLE
Tx BIT
TxRxDATA
(RECEIVE DATA OUTPUT
IN UART/SPI MODE.)
Tx BIT
Tx BIT
Tx BIT
HIGH-Z
Tx/Rx MODE
07246-082
TxRxCLK
(TRANSMIT DATA INPUT
IN UART/SPI MODE.)
FETCH
Tx MODE
཮8. UART/SPIఇ๕ူ‫݀ڦ‬พ้Ⴞ཮
tBIT
CLKOUT
(TRANSMIT/RECEIVE DATA
CLOCK IN SPI MODE.
NOT USED IN UART MODE.)
FETCH SAMPLE
TxRxCLK
(TRANSMIT DATA INPUT
IN UART/SPI MODE.)
Tx/Rx MODE
Rx BIT
Rx BIT
Rx BIT
Rx BIT
Rx MODE
཮9. UART/SPIఇ๕ူ‫ڦ‬থ๭้Ⴞ཮
Rev. 0 | Page 14 of 64
Rx BIT
07246-078
TxRxDATA
(RECEIVE DATA OUTPUT
IN UART/SPI MODE.)
HIGH-Z
ADF7021-N
ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ
‫ݥأ‬ଷᆶำ௽LjTA = 25°Că
՗7
֖ຕ!
VDD዁GND1
ఇెI/O‫ۉ‬უ዁GND
ຕጴI/O‫ۉ‬უ዁GND
߾ፕ࿒‫ྷݔ܈‬
!!!߾ᄽDŽBपDž
٪‫ئ‬࿒‫ྷݔ܈‬
ፌߛ঳࿒
MLF θJAඤፆ
࣮ୁࡰ
!!!‫ރ‬ኵ࿒‫܈‬
!!!‫ރ‬ኵ࿒‫้܈‬क़
1
‫ۨܮ‬ኵ!
−0.3 V ዁ +5 V
−0.3 V዁ AV DD + 0.3 V
−0.3 V዁ DV DD + 0.3 V
−40°C ዁ +85°C
−65°C ዁ +125°C
150°C
26°C/W
ጀᅪLj‫؜ג‬ฉຎਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ੗ీࣷ‫ڞ‬ዂഗॲᆦ৳Ⴀ໦
࣋ăኄኻ๟‫ۨܮ‬ᆌ૰ኵLjփ՗๖ሞኄၵཉॲူईኁሞඪࢆ
ഄ໲‫؜ג‬Ԩरຍࡀ߭֡ፕև‫ݴ‬໯๖ࡀ߭‫ڦ‬ཉॲူLjഗॲీ
ࠕኟ‫߾׉‬ፕă‫׊‬೺ሞਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵཉॲူ߾ፕࣷᆖၚഗ
ॲ‫ڦ‬੗੍Ⴀă
ԨഗॲྺߛႠీRFण‫ۉׯ‬ୟ-ESD‫ۨܮ‬ኵၭᇀ2 kVLj‫ܔ‬ESD
)ৢ‫ߌ௺*ۉݣۉ‬ăӭሏࢅጎದ้ᆌ֑ൽ๢‫ٯݔݞڦړ‬แă
ESDয়ߢ
ESDDŽৢ‫ۉݣۉ‬Dž௺ߌഗॲă
‫ۉټ‬ഗॲࢅ‫ۉ‬ୟӱ੗ీࣷሞுᆶִਥ‫ڦ‬൧઄ူ‫ۉݣ‬ă
৑࠶Ԩׂ೗ਏᆶጆ૧ईጆᆶԍࢺ‫ۉ‬ୟLj‫ڍ‬ሞᇜ‫ీߛڟ‬
ଉESD้Ljഗॲ੗ీࣷ໦࣋ă
ᅺُLjᆌ‫֑ړ‬ൽ๢‫ڦړ‬ESD‫ٯݔݞ‬แLjᅜՆ௨ഗॲႠీ
ူইईࠀీෟ฿ă
260°C
40 sec
GND = CPGND = RFGND = DGND = AGND = 0.
Rev. 0 | Page 15 of 64
ADF7021-N
CVCO
GND1
L1
GND
L2
VDD
CPOUT
CREG3
VDD3
OSC1
OSC2
MUXOUT
48
47
46
45
44
43
42
41
40
39
38
37
ᆅগದዃࢅࠀీ௮ຎ
PIN 1
INDICATOR
1
36
CLKOUT
2
35
TxRxCLK
VDD1
3
34
TxRxDATA
RFOUT
4
33
SWD
RFGND
5
32
VDD2
RFIN
6
31
CREG2
RFINB
7
30
ADCIN
RLNA
8
29
GND2
VDD4
9
28
SCLK
RSET 10
27
SREAD
CREG4 11
26
SDATA
GND4 12
25
SLE
ADF7021-N
CE 24
TEST_A 23
GND4 22
FILT_Q 21
FILT_Q 20
GND4 19
FILT_I 18
FILT_I 17
MIX_Q 16
MIX_Q 15
MIX_I 14
MIX_I 13
TOP VIEW
(Not to Scale)
07246-006
VCOIN
CREG1
཮21/ᆅগದዃ
՗8. ᆅগࠀీ௮ຎ
ᆅগՊࡽ! ᆅগఁ‫׬‬
1
VCOIN
௮ຎ!
ُᆅগฉ‫ۙڦ‬ၿ‫ۉ‬უਦۨ‫ۉ‬უ੦዆ና‫ږ‬ഗDŽVCODž‫ڦ‬๼‫؜‬ೕ୲ăۙၿ‫ۉ‬უሁߛLj๼‫؜‬ೕ୲৽ሁߛă
2
CREG1
3
VDD1
PAఇ੷‫ۙڦ‬বഗ‫ۉ‬უăሞُᆅগࢅথ‫ں‬ኮक़‫ݣ‬ዃᅃ߲‫૴ز‬3.9 Ω‫ۉ‬ፆࢅᅃ߲100 nF‫ۉ‬ඹ੗࿘ۨۙবഗժᅞ
዆ሯำă
PAఇ੷‫ۉڦ‬ᇸ‫ۉ‬უă৑ଉ੍ৎُᆅগ‫ݣ‬ዃ 0.1 μFࢅ100 pF‫ڦ‬ඁ᳘‫ۉ‬ඹăॽ໯ᆶVDDᆅগ૶ሞᅃഐă
4
RFOUT
5
6
RFGND
RFIN
7
8
9
10
11
RFINB
RLNA
VDD4
RSET
CREG4
12, 19, 22
13 to 18
24
GND4
MIX_I, MIX_I,
MIX_Q, MIX_Q,
FILT_I, FILT_I
FILT_Q, FILT_Q,
TEST_A
CE
25
SLE
26
SDATA
27
SREAD
28
SCLK
20, 21, 23
ُᆅগฉ༵ࠃۙ዆႑ࡽă๼‫ۉ୲ࠀ؜‬ೝሞ−16 dBm዁+13 dBmኮक़ăᆌ૧ᆩ๢‫ڦړ‬ፇॲ๑๼‫؜‬ᇑ໯Ⴔ޶ሜ
৊ႜፆੇ೅ದDŽ֖९݀พऐև‫ݴ‬Džă
݀พऐ๼‫؜‬पথ‫ں‬ă໯ᆶHOEᆅগᆌ૶ሞᅃഐă
থ๭ऐև‫ڦݴ‬LNA๼෇ăሞཀ၍ࢅֶ‫ݴ‬LNA๼෇ኮक़Ⴔᄲ৊ႜ๼෇೅ದᅜඓԍፌ‫د୲ࠀٷ‬๼)֖९LNA/PA೅
ದև‫*ݴ‬
ࢻցLNA๼෇DŽ֖९LNA/PA೅ದև‫ݴ‬Dž
LNA‫ྔڦ‬ևೋዃ‫ۉ‬ፆăᆫࣅ‫ۉ‬ፆྺ1.1 kΩLjඹֶ5%ă
LNA/MIXERఇ੷‫ۉڦ‬ᇸ‫ۉ‬უăُᆅগᆌᆩᅃ߲10 nF‫ۉ‬ඹඁ᳘዁থ‫ں‬ă
ྔև‫ۉ‬ፆăยዃ‫ࢁۉ‬ԭ‫ࢅୁۉ‬ᅃၵాևೋዃ‫ୁۉ‬ă๑ᆩඹֶ5%‫ڦ‬3.6 kΩ‫ۉ‬ፆă
LNA/MIXERఇ੷‫ۙڦ‬বഗ‫ۉ‬უăሞُᆅগࢅGNDኮक़‫ݣ‬ዃᅃ߲100 nF‫ۉ‬ඹ੗࿘ۨۙবഗժᅞ዆ሯำă
LNA/MIXERఇ੷থ‫ں‬ă
႑ࡽ૾֪๬ᆅগăኄၵᆅগሞኟ‫׉‬ཉॲူ‫ߛװ‬ፆੇժᆌ჈੣ă
႑ࡽ૾֪๬ᆅগăኄၵᆅগሞኟ‫׉‬ཉॲူ‫ߛװ‬ፆੇժᆌ჈੣
ႊೌ๑ీăઙ‫گ‬CE‫ۉ‬ೝ੗ॽADF7021-Nዃᇀඇู‫ۉ‬ఇ๕ă‫ړ‬CE‫ۉگװ‬ೝ้۪ࣷ฿स٪ഗኵLjܸઙߛCE‫ۉ‬ೝ
ࢫՂႷ‫ܔ‬ഗॲ৊ႜዘႎยዃă
ेሜ๑ీLjCMOS๼෇ă‫ړ‬SLEՎྺߛ‫ۉ‬ೝ้Lj٪‫ئ‬ሞᅎ࿋स٪ഗా‫ڦ‬ຕ਍ॽሜ෇຺߲໮٪ഗዐ‫ڦ‬ᅃ߲ă੗
ཚࡗ੦዆࿋჋ስ໮٪ഗă
‫ز‬ႜຕ਍๼෇ă‫ز‬ႜຕ਍ᅜMSBᆫံ‫ݛ‬๕ेሜLj຺߲LSBᆩፕ੦዆࿋ăُᆅগྺߛፆੇCMOS๼෇ă
‫ز‬ႜຕ਍๼‫؜‬ăُᆅগᆩᇀॽ࣮‫܁‬ຕ਍ٗADF7021-Nઍ෇ྲ੦዆ഗăSCLK๼෇ᆩઠ‫ܔ‬SREADᆅগ‫ڦ‬௅߲࣮
‫܁‬࿋DŽසAFCईADCDž৊ႜऺ้ă
‫ز‬ႜ้ዓ๼෇ăُ‫ز‬ႜ้ዓᆩઠॽ‫ز‬ႜຕ਍ደ߲๼෇स٪ഗăຕ਍ሞCLKฉืᄂ໮٪‫ڟ‬32࿋ᅎ࿋स٪ഗ
ాăُᆅগྺຕጴCMOS๼෇ă
Rev. 0 | Page 16 of 64
ADF7021-N
ᆅগՊࡽ! ᆅগఁ‫׬‬
29
GND2
30
ADCIN
௮ຎ!
ຕጴև‫ݴ‬থ‫ں‬
ఇຕገ࣑ഗ๼෇ăཚࡗُᆅগ੗‫ݡ‬࿚ాև7࿋ADCă஢ଉ‫ྺײ‬0V዁1.9 Vă੗૧ᆩSREADᆅগํ၄࣮‫܁‬ă
31
CREG2
ຕጴఇ੷‫ۙڦ‬বഗ‫ۉ‬უăሞُᆅগࢅথ‫ں‬ኮक़‫ݣ‬ዃᅃ߲100 nF‫ۉ‬ඹ੗࿘ۨۙবഗժᅞ዆ሯำă
32
33
VDD2
SWD
ຕጴఇ੷‫ۉڦ‬ᇸ‫ۉ‬უă৑ଉ੍ৎُᆅগ‫ݣ‬ዃᅃ߲10 nFඁ᳘‫ۉ‬ඹă
ཞօጴॠ֪ăADF7021-N݀၄ཞօጴႾଚ೅ದ้ࣷॽُᆅগዃ1)֖९स٪ഗ11—ཞօጴॠ֪स٪ഗև
‫!*ݴ‬ăኄᄣ৽༵ࠃକᅃ߲ྔևྲ੦዆ഗዐ܏Lj՗௽ኟሞথ๭ᆶၳຕ਍ă
34
TxRxDATA
݀พຕ਍๼෇/থ๭ຕ਍๼‫؜‬ăኄຌᇀຕጴᆅগLj๢ᆩኟ‫׉‬CMOS‫ۉ‬ೝăሞUART/SPIఇ๕ူLjُᆅগ๼‫؜‬ሞ
থ๭ఇ๕ူথ๭‫ڦ‬ຕ਍ăሞ݀พUART/SPIఇ๕ူLjُᆅগ‫ߛװ‬ፆੇDŽ֖९ྲ੦዆ഗ/DSPথ੨և‫ݴ‬Džă
35
TxRxCLK
ሞথ๭ࢅ݀พଇ߲ఇ๕ူ๼‫؜‬ຕ਍้ዓăኄຌᇀຕጴᆅগLj๢ᆩኟ‫׉‬CMOS‫ۉ‬ೝăኟ้ዓᄂᇑথ๭ຕ਍ዐ
႐၎೅ದăሞ݀พఇ๕ူLjُᆅগ๼‫؜‬৛ඓ้ዓLjᅜՍጚඓӀቷ໯Ⴔຕ਍໏୲ॽຕ਍ٗྲ੦዆ഗ໮٪዁݀
พև‫ݴ‬ăሞUART/SPIఇ๕ူLjُᆅগ๼෇ሞ݀พఇ๕ူ݀พ‫ڦ‬ຕ਍ăሞথ๭UART/SPIఇ๕ူLjُᆅগ‫ߛװ‬
ፆੇ)֖९ྲ੦዆ഗ/DSPথ੨և‫*ݴ‬ă
36
CLKOUT
ਏᆶ๼‫؜‬ൻ‫ۯ‬ഗ‫ڦ‬ৗናएጚᇸ‫ݴڦ‬ೕႚ๕ăຕጴ้ዓ๼‫؜‬੗ᆩઠൻ‫ྲۯ‬੦዆ഗ้ዓ‫߲ܠڪ‬ഄ໱CMOS๼
෇ă޿๼‫؜‬ਏᆶ50:50‫ࡽدڦ‬-੣ࡽԲժ၎‫ܔ‬ᇀएጚᇸ‫ݒ‬ၠăሞ૧ᆩCLKOUTࠀీ‫ڦ‬ᆌᆩዐLjᆌ৑ଉ੍ৎ޿ᆅ
গ‫ݣ‬ዃᅃ߲‫ز‬ႜ1 kΩ‫ۉ‬ፆă
37
MUXOUT
༵ࠃDIGITAL_LOCK_DETECT႑ࡽăُ႑ࡽᆩઠඓۨPLL๟‫ޏ‬໮ۨ዁ኟඓೕ୲Ljଷྔ࣏༵ࠃഄ໱႑ࡽLjසኸ
๖‫ز‬ႜথ੨ۙবഗጒༀ‫ڦ‬REGULATOR_READYDŽᆶ࠲ၘ൧൩֖९MUXOUTև‫ݴ‬Džă
38
OSC2
39
OSC1
40
41
VDD3
CREG3
ሞُᆅগࢅOSC1ኮक़૶থएጚৗናăᆩCMOS‫ۉ‬ೝൻ‫ُۯ‬ᆅগժ্ᆩాևৗ༹ና‫ږ‬ഗࢫLj੗๑ᆩTCXOए
ጚᇸă
ሞُᆅগࢅOSC1ኮक़૶থएጚৗናăᆩ঍ୁ᳘ࢇ0.8 V p-p‫ۉ‬ೝൻ‫ُۯ‬ᆅগժ্ᆩాևৗ༹ና‫ږ‬ഗࢫLj੗๑
ᆩTCXOएጚᇸă
‫ࢁۉ‬ԭࢅPLL‫ݴ‬ೕഗ‫ۉڦ‬ᇸ‫ۉ‬უăᆩ10 nF‫ۉ‬ඹ‫ُܔ‬ᆅগඁ᳘዁থ‫ں‬ă
42
CPOUT
‫ࢁۉ‬ԭ๼‫؜‬ăُ๼‫؜‬੗ׂิሞ࣍ୟ୳հഗాঢ়ࡗओ‫ୁۉڦݴ‬ஞ؋ăঢ়ࡗओ‫߀ୁۉڦݴ‬ՎକVCO๼෇ዐ‫ڦ‬੦
዆‫ۉ‬უă
43
44, 46
VDD
L2, L1
VCOၿና‫ۉ‬ୟ‫ۉڦ‬ᇸ‫ۉ‬უăᆩ10 nF‫ۉ‬ඹ‫ُܔ‬ᆅগඁ᳘዁থ‫ں‬ă
ྔևVCO‫ߌۉ‬ᆅগăසࡕ๑ᆩྔևVCO‫ߌۉ‬Ljሞኄၵᆅগฉ૶থႊೌ‫ߌۉ‬੗ยዃVCO߾ፕೕ୲ăසࡕ๑ᆩ
ాևVCO‫ߌۉ‬Ljኄၵᆅগ੗ԍ‫ޝ׼‬੣ăၘ൧൩֖९‫ۉ‬უ੦዆ና‫ږ‬ഗDŽVCODžև‫ݴ‬ă
45, 47
48
GND, GND1
CVCO
WDPఇ੷থ‫ں‬ă
ሞُᆅগࢅCREG1ኮक़‫ݣ‬ዃᅃ߲22 nF‫ۉ‬ඹᅜই‫گ‬VCOሯำă
Rev. 0 | Page 17 of 64
ADF7021-N
‫ۆ‬႙߾ፕ༬Ⴀ
–70
PHASE NOISE (dBc/Hz)
ICP = 0.8mA
–90
DR = 9.6kbps
DATA = PRBS9
fDEV = 2.4kHz
RF FREQ = 869.5MHz
RF FREQ = 900MHz
VDD = 2.3V
TEMPERATURE = 25°C
VCO_BIAS = 8
VCO_ADJUST = 3
–80
ICP = 1.4mA
2FSK
–100
GFSK
–110
ICP = 2.2mA
–120
–130
1
10
100
1000
10000
FREQUENCY OFFSET (kHz)
CENTER 869.5 25MHz
RES BW 300Hz
VBW 300Hz
཮14. ሞ2FSKࢅGFSKఇ๕ူ‫ڦ‬๼‫؜‬ೕ೷
཮11. ሞ900 MHzLjVDD = 2.3 V้‫ڦ‬၎࿋ሯำၚᆌ
16
8
PA_BIAS = 9μA
4
0
PA_BIAS = 5μA
–4
2FSK
PA_BIAS = 7μA
–8
–12
–16
–20
–24
RC2FSK
–28
–32
0
4
8
12 16 20 24 28 32 36 40 44 48 52 56 60
PA SETTING
VBW 300Hz
SPAN 50kHz
SWEEP 2.118s (601pts)
཮15. ሞ2FSKࢅืᇆ၀2FSKఇ๕ူ‫ڦ‬๼‫؜‬ೕ೷
཮12. RF๼‫ࢅ୲ࠀ؜‬PAยዃ༬Ⴀ൸၍
1R
CENTER 869.5 25MHz
RES BW 300Hz
07246-048
–40
07246-051
–36
RF FREQ = 440MHz
OUTPUT POWER = 10dBm
FILTER = T-STAGE LC FILTER
MARKER Δ= 52.2dB
SR = 4.8ksym/s
DATA = PRBS9
fDEV = 2.4kHz
RF FREQ = 869.5MHz
4FSK
1
START 300MHz
RES BW 100Hz
STOP 3.5GHz
VBW 100Hz SWEEP 385.8ms (601pts)
CENTER 869.493 8MHz
RES BW 300Hz
཮13. TपLC୳հഗ‫ڦ‬PA๼‫؜‬ၿհၚᆌ
VBW 300Hz
SPAN 100kHz
SWEEP 4.237s (601pts)
཮16. ሞ4FSKࢅืᇆ၀4FSKఇ๕ူ‫ڦ‬๼‫؜‬ೕ೷
Rev. 0 | Page 18 of 64
07246-049
RC4FSK
07246-050
RF OUTPUT POWER (dBm)
DR = 9.6kbps
DATA = PRBS9
fDEV = 2.4kHz
RF FREQ = 869.5MHz
PA_BIAS = 11μA
12
SPAN 50kHz
SWEEP 2.118s (601pts)
07246-047
–150
07246-060
–140
ADF7021-N
REF 15dBm
SAMP LOG 10dB/
0
ATTEN 25dB
DR = 9.6kbps
DATA = PRS9
fDEV = 2.4kHz
RF FREQ = 869.5MHz
DATA RATE = 1kbps
fDEV = 1kHz
RF FREQ = 135MHz
IF BW = 12.5kHz
–1
–2
VAVG 100
V1 V2
S3 FC
LOG BER
–3
3FSK
3.0V, +25°C
2.3V, +85°C
–4
–5
3.6V, –40°C
RC3FSK
–6
CENTER 869.5MHz
RES BW 300Hz
VBW 300Hz
SPAN 50kHz
SWEEP2.226s (401pts)
07246-070
–8
–130 –128 –126 –124 –122 –120 –118 –116 –114 –112 –110 –108
཮17. ሞ3FSKࢅืᇆ၀3FSKఇ๕ူ‫ڦ‬๼‫؜‬ೕ೷
RAMP RATE:
CW ONLY
256 CODES/BIT
128 CODES/BIT
64 CODES/BIT
32 CODES/BIT
10
཮20. 2FSKଳ௺‫ࢅ܈‬VDD त࿒‫܈‬༬Ⴀ൸၍LjfRF = 135 MHz
0
TRACE = MAX HOLD
PA ON/OFF RATE = 3Hz
PA ON/OFF CYCLES = 10,000
VDD = 3.0V
–2
–10
–30
–4
–5
–40
–6
–50
–7
–50
0
50
100
FREQUENCY OFFSET (kHz)
཮18. փཞPAၽೢ୲჋ၜሞፌ‫ٷ‬ኵԍ‫׼‬ఇ๕ူ‫ڦ‬๼‫؜‬ೕ೷
0
–8
–120
0
–2
–95
–4
–5
–6
–6
–7
–7
–114
–112
–110
RF INPUT POWER (dBm)
–108
–106
–104
–8
–120
07246-052
–116
཮19. 2FSKଳ௺‫ ࢅ܈‬VDD त࿒‫܈‬༬Ⴀ൸၍LjfRF = 868 MHz
2.3V +25°C
3.0V +25°C
3.6V +25°C
2.3V –40°C
3.0V –40°C
3.6V –40°C
2.3V +85°C
3.0V +85°C
3.6V +85°C
–115
–110
–105
RF INPUT POWER (dBm)
–100
–95
07246-066
LOG BER
2.3V, +85°C
–5
–118
–100
–3
3.6V, –40°C
–120
–105
DATA RATE = 19.6kbps
SYMBOL RATE = 9.8ksym/s
fDEV (inner) = 2.4kHz
MOD INDEX = 0.5
RF FREQ = 420MHz
IF BW = 12.5kHz
–1
3.0V, +25°C
–4
–8
–122
–110
཮21. 3FSKଳ௺‫ࢅ܈‬VDD त࿒‫܈‬༬Ⴀ൸၍LjfRF = 440 MHz
–2
–3
–115
RF INPUT POWER (dBm)
DATA RATE = 9.6kbps
fDEV = 4kHz
RF FREQ = 868MHz
IF BW = 25kHz
–1
2.3V +25°C
3.0V +25°C
3.6V +25°C
2.3V –40°C
3.0V –40°C
3.6V –40°C
2.3V +85°C
3.0V +85°C
3.6V +85°C
07246-065
LOG BER
–3
–20
–60
–100
LOG BER
3FSK MODULATION
DATA RATE = 9.6kbps
fDEV = 2.4kHz
MOD INDEX = 0.5
RF FREQ = 440 MHz
–1
07246-068
OUTPUT POWER (dBm)
0
RF INPUT POWER (dBm)
07246-053
–7
཮22. 4FSKଳ௺‫ࢅ܈‬VDD त࿒‫܈‬༬Ⴀ൸၍LjfRF = 420 MHz
Rev. 0 | Page 19 of 64
90
2.5
80
0
–2.5
70
–5.0
–7.5
60
–10.0
–12.5
ATTENUATION (dB)
50
RF FREQ = 868MHz
WANTED SIGNAL
(10dB ABOVE SENSITIVITY
POINT) = 2FSK,
fDEV = 4kHz,
DATA RATE = 9.8kbps
BLOCKER = 2FSK,
fDEV = 4kHz,
DATA RATE = 9.8kbps
VDD = 3.0V
TEMPERATURE = 25°C
30
20
10
0
–10
–22
–18
–14
–10
–6
–2 0 2
6
10
14
18
22
FREQUENCY OFFSET (MHz)
–15.0
–17.5
–25.0
–27.5
–30.0
–32.5
–35.0
–37.5
90
92
94
96
98
100
–100
RSSI
READBACK LEVEL
106
108
110
RF FREQ = 860MHz
2FSK MODULATION
DATA RATE = 9.6kbps
IF BW = 25kHz
VDD = 3.0V
TEMPERATURE = 25°C
SENSITIVITY POINT (dBm)
–102
–60
–80
–100
104
཮26. ዐೕ୳հഗၚᆌໜ࿒‫ڦ܈‬ՎࣅDŽIF_FILTER_BW =
9kHz，温度范围−40°C至 +90°C，10°步进）
–20
–40
102
IF FREQUENCY (kHz)
཮23. ੻‫߅ټ‬ඡᅞ዆
RSSI LEVEL (dBm)
–40°C
–20.0
–22.5
07246-059
40
+90°C
007246-091
BLOCKING (dB)
ADF7021-N
ACTUAL RF INPUT LEVEL
–104
–106
–108
DISCRIMINATOR BANDWIDTH =
2× FSK FREQUENCY DEVIATION
–110
–112
–114
–120
–116
–52.5
–42.5
཮24. ຕጴRSSI࣮‫܁‬၍Ⴀ‫܈‬
70
CALIBRATED
60
0.2
0.4
0.6
0.8
1.0
1.2
཮ 27. 2FSKଳ௺‫܈‬Ăۙ዆ኸຕĂ၎࠲६ೕഗ‫੻ټ‬༬Ⴀ൸၍
0
RF FREQ = 430MHz
EXTERNAL VCO INDUCTOR
DATA RATE = 9.6kbps
TEMPERATURE = 25°C, VDD = 3.0V
–1
THRESHOLD DETECTION
–2
LOG BER
40
UNCALIBRATED
–3
VITERBI DETECTION
–4
20
–6
0
–10
429.80 429.85 429.90 429.95 430.00 430.05 430.10 430.15 430.20
RF FREQUENCY (MHz)
཮25. ࿄ၯጚࢅၯጚ৥ၟᅞ዆
3FSK MODULATION
VDD = 3.0V, TEMP = 25°C
DATA RATE = 9.6kbps
fDEV = 2.4kHz
RF FREQ = 868MHz
IF BW = 18.75kHz
–7
–120 –118 –116 –114 –112 –110 –108 –106 –104 –102 –100
INPUT POWER (dBm)
07246-062
–5
10
07246-054
BLOCKING (dB)
0
MODULATION INDEX
50
30
DISCRIMINATOR BANDWIDTH =
1× FSK FREQUENCY DEVIATION
07246-058
–62.5
–118
07246-055
–140
–122.5 –112.5 –102.5 –92.5 –82.5 –72.5
RF INPUT (dBm)
཮28. ૧ᆩྼ༬Բॠ֪ࢅពኵॠ֪‫ڦ‬3FSKথ๭ऐଳ௺‫܈‬
Rev. 0 | Page 20 of 64
ADF7021-N
–70
+3
HIGH MIXER
LINEARITY
SENSITIVITY (dBm)
+1
0
–1
–90
22452 ACQS
IF BW = 25kHz
POST DEMOD BW = 12.4kHz
M 50μs
IP3 = –9dBm
IP3 = –3dBm
IP3 = –20dBm
–110
–120
DEFAULT
MIXER
LINEARITY
IP3 = –13.5dBm
IP3 = –24dBm
–130
཮29. ૧ᆩ֪๬DAC๼‫֪؜‬ଉ‫ڦ‬4FSKথ๭ऐᄅ཮
3, 72
10, 72
30, 72
(LOW GAIN MODE)
(MEDIUM GAIN MODE)
(HIGH GAIN MODE)
LNA GAIN, FILTER GAIN
07246-069
RF I/P LEVEL = –70dBm
DATA RATE = 9.7kbps
fDEV (inner) = 1.2kHz
IP3= –5dBm
–100
–3
07246-064
RECEIVER SYMBOL LEVEL
–80
MODULATION = 2FSK
DATA RATE = 9.6kbps
fDEV = 4kHz
IF BW = 12.5kHz
DEMOD = CORRELATOR
SENSITIVITY @ 1E-3 BER
+1
0
–1
4
RF I/P LEVEL = –70dBm
DATA RATE = 10kbps
fDEV = 2.5kHz
20834 ACQS
IF BW = 12.5kHz
POST DEMOD BW = 12.4kHz
M 20μs
C13
1.7V
07246-063
RECEIVER SYMBOL LEVEL
཮31. থ๭ଳ௺‫ࢅ܈‬LNA/ዐೕ୳հഗሺᅮतंೕഗ၍Ⴀ‫܈‬
ยዃ༬Ⴀ൸၍(࣏၂๖௅߲ยዃ‫ڦت‬๼෇IP3)
཮30. ૧ᆩ֪๬DAC๼‫֪؜‬ଉ‫ڦ‬3FSKথ๭ऐᄅ཮
Rev. 0 | Page 21 of 64
ADF7021-N
ೕ୲ࢇ‫ׯ‬ഗ
एጚ๼෇!
CLKOUT‫݆أ‬ഗࢅ࣐؋
ӱฉৗ༹ና‫ږ‬ഗ‫ۉ‬ୟDŽ९཮32Dž੗૧ᆩ็ᆈৗናፕྺPLL
एጚᇸăॺᅱ቏‫ټ‬ᆌᆩ֑ᆩೕ୲ඹֶ≤10
ppm‫็ڦ‬ᆈৗ
ናăᄺ੗ᅜ֑ᆩඹֶ>10 ppm‫็ڦ‬ᆈৗናLj‫ྺڍ‬କ‫ࢇޙ‬቏
‫ݔࡀټ‬DŽසARIB STD-T67ࢅETSI EN 300 220Dž‫ڦ‬ਨ‫ܔ‬ೕ୲
ဃֶࡀ߭LjՂႷ‫ܔ‬ৗናೕ୲ဃֶ৊ႜց‫׋‬ă
CLKOUT‫ۉ‬ୟٗና‫ږ‬ഗև‫ݴ‬इ‫ڥ‬एጚ้ዓ႑ࡽ)९཮32*Lj
ժ ॽ ‫ ݴ‬ೕ Ă 50:50቞ ੣ Բ ႑ ࡽ ‫ د‬ໃ ‫ ڟ‬CLKOUTᆅ গ ă
CLKOUT႑ࡽ၎‫ܔ‬ᇀएጚ้ዓ‫ݒ‬ၠă੗༵ࠃٗ2዁30‫ڦ‬਩
ሌ ‫ ݴ‬ೕ ă ُ ‫ ݴ‬ೕ ຕ ሞ R1_DB[7:10]ా ย ۨ ă ฉ ‫ ้ ۉ‬Lj
CLKOUTఐණ8‫ݴ‬ೕă
DVDD
ና‫ږ‬ഗ‫ۉ‬ୟཚࡗॽR1_DB12ยྺߛ‫ۉ‬ೝઠഔᆩă໲ሞฉ‫ۉ‬
้ఐණഔᆩLj੗ཚࡗઙ‫گ‬CE‫ۉ‬ೝઠ্ᆩăৗናဃֶ੗ཚࡗ
૧ᆩጲ‫ۯ‬ೕ୲੦዆ࠀీईۙኝၭຕN‫ݴ‬ೕኵઠၯኟ)֖९N
‫ݴ‬ೕഗև‫*ݴ‬ă
DIVIDER
1 TO 15
OSC1
÷2
CLKOUT
07246-008
CLKOUT
ENABLE BIT
཮33. CLKOUTप
OSC1
ᄲ্ᆩCLKOUTLj൩ॽ‫ݴ‬ೕຕยྺ0ă๼‫࣐؜‬؋ഗ੗ሞ4.8
MHzူᆩ10ǁ‫ڦ‬ฉื้क़ൻ‫ٳܠۯ‬20 pF‫޶ڦ‬ሜă߸੺‫ڦ‬Չ
ᄂ੗‫ڞ‬ዂᅃၵሗො኱থઍ෇๼‫܋؜‬ă੗૧ᆩᅃ߲‫ز‬থ‫ۉ‬ፆ
)1kΩ*ઠ३้࣐ዓՉᄂᅜሞCLKOUTೕ୲ူ३ณኄၵሗ
ොă
CP2
CP1
07246-083
OSC2
཮32. ADF7021-Nฉ‫ڦ‬ና‫ږ‬ഗ‫ۉ‬ୟ
ሞኟඓೕ୲ူ৊ႜና‫ږ‬Ⴔᄲଇ߲ժ૴ၿና‫ۉ‬ඹăഄ֖ຕኵ
ൽਦᇀৗናࡀ߭ă཈჋้ᆌඓԍ‫ۉ‬ඹ‫૴ز‬ኵेฉPCBጽ၍
‫ۉ‬ඹ੗‫ڟٳ‬ৗና‫޶ۨܮڦ‬ሜ‫ۉ‬ඹDŽཚ‫׉‬12 pF዁20 pFDžă
ጽ၍‫ۉ‬ඹኵሞ2 pF዁5 pFኮक़ՎࣅLjਏ༹๫‫ۉ‬ୟӱքਆܸ
ۨă৑ଉ཈჋࿒‫܈‬ဣຕ‫ۉڦگ‬ඹLjᅜඓԍሞ߳ዖཉॲူइ
‫ڥ‬࿘ۨ‫ڦ‬ೕ୲֡ፕă
R‫ݴ‬ೕഗ
3࿋R‫ݴ‬ೕഗॽएጚ๼෇ೕ୲‫أ‬ᅜ1‫ڟ‬7‫ڦ‬ኝຕă޿‫ݴ‬ೕ႑ࡽ
ፕྺएጚ้ዓ༵ࠃߴ६ೕ६၎ഗ)PFD*ă‫ݴ‬ೕԲሞR1_DB
[4:6]ాยۨăPFDೕ୲ሁߛLjNኵሁ‫گ‬ăኄ़ই‫گ‬କᅜ20
log(N)໏୲Ԡሺ‫ڟ‬๼‫ڦ؜‬ሯำLjᆼ३ณକሗො‫؜ڦݴׯ‬၄
ْຕă
ሞฉ‫้ۉ‬Ljस٪ഗ1ఐණR = 1ă
๑ᆩTCXOएጚᇸ
ADF7021-Nᄺ ੗ ֑ ᆩ ‫ ܋ ڇ‬ए ጚ ᇸ ) TCXOĂ VCXOई
OCXO*ăॺᅱᆩᇀਨ‫ܔ‬ೕ୲৛‫܈‬ᄲ൱<10 ppm‫ڦ‬ᆌᆩ)සᄲ
൱‫ࢇޙ‬ARIB STD-T67ईETSI EN 300 220Քጚ‫ڦ‬ᆌᆩ*ăူଚ
๟ADF7021-Nࢅྔևएጚና‫ږ‬ഗ‫ڦ‬ଇዖথ੨჋ስă
·๑ᆩCMOS๼‫ۉ؜‬ೝ‫ڦ‬ና‫ږ‬ഗ੗ᆌᆩᇀOSC2ăాևና‫ږ‬
ഗ‫ۉ‬ୟᆌཚࡗॽR1_DB12ยྺ‫ۉگ‬ೝઠ্ᆩă
PFD [Hz] = XTAL/R
࣍ୟ୳հഗ!
࣍ୟ୳հഗ‫ܔ‬ઠጲ‫ࢁۉ‬ԭ‫ୁۉڦ‬ஞ؋৊ႜओ‫ݴ‬ᅜႚ‫ߵׯ‬਍
໯Ⴔೕ୲ۙၿWDP๼‫ۉڦ؜‬უLjཞ้࣏ປ३QMM໯ׂิ‫ڦ‬
ሗො຤ೝă‫ۆ‬႙࣍ୟ୳հഗยऺස཮45໯๖ă
·๑ᆩ0.8 V p-p‫ۉ‬ೝ‫ڦ‬ና‫ږ‬ഗ੗ཚࡗᅃ߲22 pF‫ۉ‬ඹઠ঍ୁ᳘
ࢇ‫ڟ‬OSC1ాăాևና‫ږ‬ഗ‫ۉ‬ୟᆌཚࡗॽR1_DB12ยྺߛ‫ۉ‬
ೝઠഔᆩă
VCO
07246-010
CHARGE
PUMP OUT
཮34. ‫ۆ‬႙࣍ୟ୳հഗದዃ
੗Պ‫ײ‬ৗናೋዃ‫ୁۉ‬
ሞ ና ‫ ږ‬ഗ ‫ ۉ‬ୟ ా ‫ ڦ‬ೋ ዃ ‫ ୁ ۉ‬੗ ཚ ࡗ ႀ ෇ XTAL_BIAS࿋
(R1_DB [13:14])ሞ20 μAࢅ35 μAኮक़ದዃăሺेೋዃ‫ୁۉ‬੗
๑ৗ༹ና‫ږ‬ഗ߸੺ฉ‫ۉ‬ă
࣍ୟ‫ڦ‬ยऺᆌ๑࣍ୟ‫੻ټ‬DŽLBWDžሀྺ100 kHzLjኄ੗ᅜ
ํ၄‫ాټ‬၎࿋ሯำࢅ‫ྔټ‬ሗොᅞ዆‫ڦ‬ଆࡻೝ࢚ăࡗ‫੻े܈‬
LBW੗ᅜ३ณೕ୲ཌሂ໯ࢾ‫้ڦ‬क़Lj‫ڍ‬੗ీࣷᆅഐሗොປ
३փፁă࣍ୟ‫੻ټ‬ড቏Lj੗ీࣷ‫ڞ‬ዂ࣍ୟ‫ٳڟ‬໮ۨ‫้ڦ‬क़
ჽ‫׊‬Lj࣏੗ీ‫ڞ‬ዂ߸ߛ຤ೝ‫୲ࠀڦ‬஌෇ତ‫ాڢ‬ăᆌ๑ᆩ
EVAL-ADF7021-NDBxxฉ‫࣍ڦ‬ୟ୳հഗยऺᅜइ‫ڥ‬ፌᆫႠ
ీă
Rev. 0 | Page 22 of 64
ADF7021-N
ADF7021-N࣍ୟ୳հഗยऺᄺ੗֑ᆩ௨‫ݯ‬ยऺ߾ਏADI
SRD Design Studio™DŽᆶ࠲ၘ൧൩֖९ADI SRD Design
StudioྪበDžă
N‫ݴ‬ೕഗ
ADF7021-N PLLዐ‫ݒڦ‬ઍ‫ݴ‬ೕഗԈઔᅃ߲8࿋ኝຕ‫ݴ‬ೕഗ
)R0_DB[19:26]*ࢅᅃ߲15࿋sigma-delta)Σ-Δ*ၭຕN‫ݴ‬ೕഗ
)R0_DB[4:18]*ăኝຕ‫ݴ‬ೕഗຌᇀPLLዐড‫׉‬९‫ڦ‬Քጚཾஞ
؋‫ݴ‬ೕഗă໲ॽፌၭኝຕ‫ݴ‬ೕኵยྺ23ăၭຕ‫ݴ‬ೕኵሞ๼
‫ࠃ༵܋؜‬৛ဦ‫ݴڦ‬Ր୲LjഄዐPLL‫ڦ‬๼‫؜‬ೕ୲ऺ໙සူǖ
MUXOUT
ཚࡗMUXOUTᆅগLj੗ᅜ‫ݡ‬࿚ADF7021-Nా‫ڦ‬փཞຕጴ
‫ۅ‬ăMUXOUT‫ڦ‬ጒༀཚࡗस٪ഗ0
)R0_DB[29:31]*ઠ੦዆ă
REGULATOR_READY
REGULATOR_READY๟๭݀ഗฉ‫ࢫۉ‬MUXOUTฉ‫ڦ‬ఐණ
ยዃăۙবഗฉ‫้ۉ‬क़ᅃӯྺ50 μsăᆯᇀ‫ز‬ႜথ੨ᅈ੍ۙ
বഗࠃ‫ۉ‬Ljᄲ‫ܔ‬ADF7021-N৊ႜՊ‫ײ‬LjۙবഗՂႷ‫ت‬ᇀ‫ܮ‬
ۨ ‫ ۉ‬უ ă ۙ ব ഗ ‫ ڦ‬ጒ ༀ ੗ ሞ MUXOUT‫ ॔ ت‬੦ ă ‫ړ‬
MUXOUTฉ‫ۙڦ‬বഗ৽Ⴣ႑ࡽ‫ۉߛװ‬ೝ้LjՍ੗ਸ๔‫ܔ‬
ADF7021-N৊ႜՊ‫ײ‬ă
DVDD
჋ስRFܾ‫ݴ‬ೕ)֖९‫ۉ‬უ੦዆ና‫ږ‬ഗ)VCO*և‫้*ݴ‬Ljُࠅ
๕Վ‫ׯ‬ǖ
REGULATOR_READY (DEFAULT)
FILTER_CAL_COMPLETE
DIGITAL_LOCK_DETECT
RSSI_READY
ࢇժInteger_NDŽፌ‫ٷ‬ኵ = 255DžࢅFractional_NDŽፌၭኵ =
32,768/32,768Dž‫ڟڥ‬ፌ‫ٷ‬N‫أ‬ຕ255 + 1ă໯ᅜፌၭ੗ᆩPFD
ྺǖ
Tx_Rx
MUX
MUXOUT
CONTROL
LOGIC_ZERO
TRISTATE
DGND
૩සLjሞ౹ዞ868 MHz዁870 MHzೕ‫߾ాټ‬ፕ้LjPFDMIN =
3.4 MHză
཮36. MUXOUT‫ۉ‬ୟ
FILTER_CAL_COMPLETE
REFERENCE IN
4\R
07246-009
LOGIC_ONE
PFD/
CHARGE
PUMP
MUXOUT੗ยྺFILTER_CAL_COMPLETEăُ႑ࡽሞዐ
ೕ୳հഗٚၯࢅዐೕ୳հഗ৛ၯ೺क़ই‫گ‬Lj੗ᆩፕྲ੦዆
ഗዐ܏ᅜཚኪዐೕ୳հഗၯጚ঳ຐă
VCO
4\N
DIGITAL_LOCK_DETECT
THIRD-ORDER
Σ-ΔMODULATOR
INTEGER_N
07246-011
FRACTIONAL_N
DIGITAL_LOCK_DETECTኸ๖PLL໮้ۨक़ă໮ۨॠ֪‫ۉ‬
ୟ࿋ᇀPFD‫ت‬ă‫૶ړ‬Ⴤ࿵߲ዜ೺‫ڦ‬၎࿋ဃֶ‫گ‬ᇀ15 ns้Lj
໮ۨॠ֪ยྺߛ‫ۉ‬ೝă໮ۨॠ֪ԍ‫ۉߛ׼‬ೝLj኱዁ሞPFD
‫ت‬ॠ֪‫ڟ‬25 ns‫ڦ‬၎࿋ဃֶྺኹă
཮35. ၭຕN‫ݴ‬ೕPLL
RSSI_READY
࿘უഗ
ADF7021-Nాࡤ຺߲ۙবഗၠഗॲ༵ࠃ࿘ۨ‫ۉڦ‬უă‫ۨܮ‬
ۙবഗ‫ۉ‬უྺ2.3 Văۙবഗ1ᄲ൱ሞCREG1ࢅGNDኮक़‫ز‬
থᅃ߲3.9 Ω‫ۉ‬ፆࢅᅃ߲100 nF‫ۉ‬ඹLjܸഄ໱ۙবഗሶᄲ൱
૶থᅃ߲100 nF‫ۉ‬ඹăCE‫ۉߛװ‬ೝ้Ljۙবഗࢅഄ໱၎࠲
‫ۉ‬ୟฉ‫ۉ‬Ljဌൽ2mA‫ڦ‬ጺ‫ۉ‬ᇸ‫ୁۉ‬ăઙ‫گ‬CEᆅগ্ࣷᆩۙ
বഗLjॽ‫ۉ‬ᇸ‫ୁۉ‬ই዁1 μAᅜူLjཞ้։‫أ‬स٪ഗాԍ٪
‫ڦ‬໯ᆶኵă
MUXOUT੗ยྺRSSI_READYă໲ኸ๖ాևఇెRSSIᅙॺ
૬ժ੗৊ႜຕጴRSSI࣮‫܁‬ă
Tx_Rx
Tx_Rxኸ๖ADF7021-N‫ت‬ᇀ݀พఇ๕࣏๟থ๭ఇ๕ăሞ݀
พఇ๕ူLjُ႑ࡽྺ‫ۉگ‬ೝăሞথ๭ఇ๕ူLjُ႑ࡽྺߛ
‫ۉ‬ೝă໲੗ᆩઠ੦዆ྔևTx/Rxਸ࠲ă
‫ز‬ႜথ੨ᅈ੍ۙবഗ‫ۉ‬ᇸઠ߾ፕăᅺُᄲၙ‫ܔ‬ഗॲኴႜႀ
෇֡ፕ-ᆩࢽՂႷઙߛCE൐ۙবഗ‫ۉ‬უՂႷ࿘ۨăۙবഗ
ጒༀ)CREG4*੗૧ᆩMUXOUTᆅগฉ‫ڦ‬
REGULATOR_READY႑ࡽઠ॔੦ă
Rev. 0 | Page 23 of 64
ADF7021-N
‫ۉ‬უ੦዆ና‫ږ‬ഗDŽVCODž
650
(MHz)
550
500
450
400
350
fMIN (MHz)
300
250
200
0
5
10
15
20
25
TOTAL EXTERNAL INDUCTANCE (nH)
VCOሞCVCOᆅগࢅۙবഗ)CREG1ᆅগ*ኮक़Ⴔᄲᅃ߲ྔ
և22 nF‫ۉ‬ඹᅜ३ณాևሯำă
30
཮38. ኱থRF๼‫ࢅ؜‬ጺྔև‫ߌۉ‬ኵ༬Ⴀ൸၍
֑ᆩFR4֌ଙ‫ڦ‬PCBጽ၍‫ߌۉ‬ሀྺ0.57 nH/mmăᆌॽُኵ
ٗጺኵዐ३ඁᅜඓۨኟඓ‫ೌڦ‬๕‫ߌۉ‬ኵă
VCO_BIAS
R1_DB(19:22)
LOOP FILTER
fMAX
600
07246-061
ྺକ৑ଉই‫گ‬ሗො݀พLjଇ߲VCO‫ۼ‬ᅜଇԠRFೕ୲߾ፕă
඗ࢫॽVCO႑ࡽሞࢇ‫ׯ‬ഗ࣍ୟాኴႜܾ‫ݴ‬ೕLjᅜ༵ࠃ݀พ
ऐ໯Ⴔ‫ڦ‬ೕ୲ࢅথ๭ऐ໯Ⴔ‫ڦ‬Ԩና)LO*ೕ୲ăሞࢇ‫ׯ‬ഗ࣍
ୟྔምኴႜᅃْܾ‫ݴ‬ೕ)RF_DIVIDE_BY_2*LjᅜሎႹሞ421
MHz዁458 MHzೕ‫ా)ټ‬և‫ߌۉ‬VCO*ࢅ80 MHz዁325 MHz
ೕ‫ྔ)ټ‬և‫ߌۉ‬VCO*ా߾ፕă
750
700
FREQUENCY (MHz)
ADF7021-NԈࡤଇ߲VCOాࢃă‫ڼ‬ᅃ߲VCO)नాև‫ߌۉ‬
VCO*֑ᆩాևLCၿና-ኧ‫׼‬842MHz዁916MHzࢅ421MHz
዁458MHz‫߾ڦ‬ፕೕ‫ټ‬ă‫߲ܾڼ‬VCO(नྔև‫ߌۉ‬VCO*֑
ᆩྔև‫ߌۉ‬ፕྺഄLCၿና‫ڦ‬ᅃև‫ݴ‬-ኧ‫׼‬80MHz዁650
MHz‫ڦ‬RF߾ፕೕ‫ټ‬ă
VCO
MUX
÷2
TO PA
÷2
TO
N DIVIDER
RF_DIVIDE_BY_2
R1_DB18
07246-012
220μF
CVCO PIN
཮37. ‫ۉ‬უ੦዆ና‫ږ‬ഗ)VCO*
ᅃӯ൧઄ူLj༬ۨ‫ߌۉ‬ኵሎႹADF7021-NሞRF߾ፕೕ୲
±6%‫߾ాྷݔڦ‬ፕă჋ስRF_DIVIDE_BY_2 bit (R1_DB18)
้Ljُ‫ྷݔ‬Վ‫ׯ‬±3%ă૩සLjሞ400 MHzူLj੗ᇨ೺‫߲ڇ‬
‫)ߌۉ‬VCO‫ྷݔ‬ᅜ400 MHzྺዐ႐*‫߾ڦ‬ፕ‫ྺྷݔ‬±24 MHz
)न376 MHz዁424 MHz*ă
ഗॲሞ݀พईথ๭ఇ๕ူྜඇฉ‫้ۉ‬Lj֪ଉVCOINᆅগฉ
‫ۉڦ‬უ੗ඓණ༬ۨRF๼‫؜‬ೕ୲‫ڦ‬VCOۙၿ‫ۉ‬უă
ాև‫ߌۉ‬VCO
ᄲ჋ስాև‫ߌۉ‬VCOLjॽR1_DB25ยྺஇड0)ఐණยዃ*ă
VCOೋዃ‫ୁۉ‬੗૧ᆩR1_DB[19:22]ઠۙবăᄲඓԍVCOና
‫ږ‬Lj๑ᆩాև‫ߌۉ‬VCO้߳ዖཉॲူ‫ڦ‬ፌၭೋዃ‫ୁۉ‬਩ย
ዃྺ0x8ă
VCOᆌཚࡗยዃVCO_ADJUST࿋DŽR1_DB[23:24]Džઠዘႎ
ዃዐLjਏ༹๫໯Ⴔ߾ፕೕ୲ܸۨăၘ൧९՗9ă
ྔև‫ߌۉ‬VCO
֑ᆩྔև‫ߌۉ‬VCO้Ljഄዐ႐ೕ୲ཚࡗాևՎඹܾट࠶‫ۉ‬
ඹᅜतྔևೌ๕‫ߌۉ‬Ăথࢇ၍तPCBጽ၍‫ڦ‬ጺ‫ߌۉ‬ઠย
ዃăྔև‫ߌۉ‬থሞL2ࢅL1ᆅগኮक़ă
VCOۙၿ‫ྺྷݔ‬0.2 V዁2 Vă໯჋ྔև‫ߌۉ‬ኵᆌీඓԍ
VCO‫߾ڦ‬ፕೕ୲৑ଉথৎُۙၿ‫ڦྷݔ‬ዐ႐ăRFೕ୲<200
MHz้LjᆯᇀVCOሺᅮই‫گ‬൐٪ሞ<±6 MHz‫ۙڦ‬ၿ‫ྷݔ‬Lj
ኄ‫ۅ‬༬՚ዘᄲă
VCO߾ ፕ ೕ ୲ ‫ ྷ ݔ‬੗ ཚ ࡗ ย ዃ VCO_ADJUST࿋
)R1_DB[23:24]*ઠۙኝăVCO߾ፕ‫ڦྷݔ‬ฉူೋᅎ‫܈ޗ‬ᅃ
ӯፌ‫ྺܠ‬RFೕ୲‫ڦ‬1ǁă
ᄲ჋ስྔև‫ߌۉ‬VCOLjॽR1_DB25ยྺஇड1ăVCO_BIAS
‫ڦ‬ยዃᆌ๫߾ፕೕ୲ܸۨ)ස՗9໯๖*ă
VCO߾ፕೕ୲ࢅጺྔև‫ߌۉ‬DŽೌ๕‫ ߌۉ‬+ PCBጽ၍Dž‫ڦ‬༬
Ⴀ൸၍ස཮38໯๖ă
Rev. 0 | Page 24 of 64
ADF7021-N
՗9 ాྔև‫ߌۉ‬VCO‫ڦ‬RF๼‫؜‬ೕ୲‫ྷݔ‬त໯Ⴔस٪ഗยዃ
RFೕ୲๼‫؜‬
(MHz)
870 to 916
842 to 870
440 to 458
421 to 440
450 to 650
200 to 450
80 to 200
‫ځ‬๑ᆩ‫ڦ‬
VCO
ాևL
ాևL
ాևL
ాևL
ྔևL
ྔևL
ྔևL
RFܾ‫ݴ‬ೕ
‫ޏ‬
‫!ޏ‬
๟!
๟!
‫!ޏ‬
‫!ޏ‬
๟!
VCO_INDUCTOR
R1_DB25
0
0
0
0
1
1
1
჋ስཚ‫ڢ‬ᅜइ‫ڥ‬ፌॅဣཥႠీ!
RF VCOೕ୲ࢅएጚೕ୲‫ڦ‬঍ࢻ੗ీ‫ڞ‬ዂׂิၭຕሗොă
‫ׯࢇړ‬ഗ‫ت‬ᇀၭຕఇ๕)नRF VCOࢅएጚೕ୲փ๟ኝຕ࠲
ဣ*้Ljሗො੗ీᅜᅃۨ‫ڦ‬ೋᅎೕ୲‫؜‬၄ሞVCO๼‫؜‬ೕ೷
ฉLj޿ೋᅎೕ୲ᇑኝຕԠ‫ڦ‬एጚೕ୲ࢅVCOೕ୲ኮक़‫ֶڦ‬
ೕ୲၎‫ܔ‬ᆌă
स٪ഗยዃ
RF_DIVIDE_BY_2
VCO_ADJUST
R1_DB18
R1_DB[23:24]
0
11
0
00
1
11
1
00
0
XX
0
XX
1
XX
VCO_BIAS
R1_DB[19:22]
8
8
8
8
4
3
2
ኄၵሗොᆯ࣍ୟ୳հഗᇎᅜປ३Ljሞ੍ৎएጚೕ୲ኝຕԠ
ຕ‫ڦ‬ཚ‫ڢ‬ฉ՗၄‫ྺ߸ڥ‬௽၂Ǘ‫ܔ‬ᇀኄၵཚ‫ڢ‬Ljֶೕ୲੗ీ
࿋ᇀ࣍ୟ‫੻ټ‬ᅜాLj“ኝຕՉহሗො”‫ڦ‬ఁ‫׬‬ኟ๟ᆯُܸ
ઠăኄၵሗො࢔ณ‫؜‬၄Ljᅺྺኝຕೕ୲ሀྺएጚೕ୲‫ڦ‬ኝ
ຕԠLjᅃӯ>10 MHzăྺକՆ௨ሞၭຕस٪ഗዐ‫؜‬၄टၭ
ईट‫ٷ‬ኵLjᆌ჋ስ๢‫ڦړ‬एጚೕ୲ă
Rev. 0 | Page 25 of 64
ADF7021-N
݀พऐ!
1
RF๼‫؜‬प
2
3
4
...
8
...
16
DATA BITS
ADF7021-N‫ٷݣ୲ࠀڦ‬ഗ)PA*एᇀᅃ߲‫܋ڇ‬Ă‫ୁۉ‬੦዆Ă
ਸ୑‫ٷݣ‬ഗLjࢫኁ੗ሞፌߛೕ୲950MHzူ༵ࠃߛ‫ٳ‬13
dBm‫)୲ࠀڦ‬ൻ‫ۯ‬50 Ω޶ሜ*ă
PA๼‫ୁۉ؜‬Ljᅺُ๼‫୲ࠀ؜‬੗ሞড੻‫ྷݔ‬ฉՊ‫ײ‬ăPAದ
ዃස཮39໯๖ă๼‫୲ࠀ؜‬૧ᆩR2_DB[13:18]ઠยዃă
PA RAMP 0
(NO RAMP)
PA RAMP 1
(256 CODES PER BIT)
PA RAMP 2
(128 CODES PER BIT)
PA RAMP 3
(64 CODES PER BIT)
R2_DB(11:12)
PA RAMP 4
(32 CODES PER BIT)
2
PA RAMP 5
(16 CODES PER BIT)
R2_DB(13:18)
PA RAMP 6
(8 CODES PER BIT)
PA RAMP 7
(4 CODES PER BIT)
RFOUT
R2_DB7
+
R0_DB27
RFGND
FROM VCO
07246-013
PA Bias Currents
཮4:/!QBದዃ
PAದԢࡗუԍࢺLj੗ሞჹዘ฿ದ൧઄ူԍ‫׼‬࿘ۨăᆩࢽ੗
ߵ਍ਏ༹ᆌᆩྺPAยऺᅃ߲೅ದྪஏLjᅜՍሞ߳ૌཀ၍
)ස࣍ୟई‫ڇ‬टཀ၍*໯Ⴔ‫ޖڦ‬พ๼‫୲ࠀ؜‬຤ೝူቛ၄ፌॅ
ࠀၳăᆶ࠲ၘ൧Lj൩֖९LNA/PA೅ದև‫ݴ‬ă
཮51/!QBၽೢยዃ
PAೋዃ‫ୁۉ‬
PA_BIAS࿋)R2_DB[11:12]*ᆶዺᇀۙবPAೋዃ‫ୁۉ‬LjᅜՍ
Ղᄲ้৊ᅃօક‫ٷ‬๼‫୲ࠀ؜‬੦዆‫ྷݔ‬ăසࡕփႴᄲُࠀ
ీ-ॺᅱ֑ᆩఐණኵ9μA-සࡕႴᄲ‫ڦ‬๼‫ߛ୲ࠀ؜‬ᇀ10 dBmLj
ሶॺᅱ֑ᆩ11 μA‫ڦ‬PAೋዃยዃă๼‫؜‬पཚࡗް࿋R2_DB7
ઠ࠲܏ă
ۙ዆‫ݛ‬ӄ!
PAၽೢ
PA੺໏ਸ࠲้LjഄՎࣅ‫ڦ‬๼෇ፆੇࣷሡ้Ⴀ߅ඡVCO๼
‫؜‬ೕ୲ăኄᅃࡗ‫ײ‬ԥ‫ྺ׬‬VCOഡᆅLjሞ๼‫؜‬ೕ೷ዐ՗၄ྺ
໯Ⴔሜհೕ୲޹ৎ‫ڦ‬ೕ೷ොพईሗොăᅃၵ࿮၍‫݀ۉ‬พࡀ
‫ܔݔ‬ኄၵPAຨༀߌᆌሗොᆶ໯၌዆)සETSI EN 300 220ࡀ
‫*ݔ‬ăཚࡗደॷਸ࠲PA‫ڦ‬ၽೢ੦዆Lj੗๑PAຨༀሗොই዁
ፌ‫گ‬ă
ADF7021-Nኧ‫׼‬2FSKĂ3FSKࢅ4FSKۙ዆ăኄၵۙ዆‫ݛ‬ӄ
‫ํڦ‬แ‫ݛ‬ӄස཮41໯๖ă
÷2
VCO
÷N
ADF7021-NాዃPAၽೢದዃీ૰ăස཮40໯๖Ljࠌᆶ8߲
ၽೢ୲ยዃLjၽೢ୲ۨᅭྺ௅߲ຕ਍࿋ዜ೺໯ࡤ‫ڦ‬༬ۨຕ
ଉ‫ڦ‬PAยዃஓăPA‫ܔ‬ഄ64߲‫پ‬ஓपደᅃ৊ႜՓ૦Lj‫ڍ‬௅
߲ยዃ‫ڦ‬Փ૦໏‫܈‬փཞăၽೢ୲ཚࡗದዃR2_DB[8:10]ઠย
ዃă
සࡕPAཚࡗPA_ENABLE࿋)R2_DB7*ઠഔᆩ/্ᆩLjሶഄ‫ت‬
ᇀฉၽೢ/ူၽೢăසࡕPAཚࡗTx/Rx࿋)R0_DB27*ઠഔᆩ/
্ᆩLjሶഄ‫ت‬ᇀฉၽೢ/ᆘ࠲Կă
TO
PA STAGE
LOOP FILTER
PFD/
CHARGE
PUMP
REF
FRACTIONAL_N
THIRD-ORDER
Σ-ΔMODULATOR
INTEGER_N
Tx_FREQUENCY_
DEVIATION
2FSK
GAUSSIAN
OR
RAISED COSINE
FILTERING
TxDATA
MUX
3FSK
4FSK
1 – D2 PR
SHAPING
PRECODER
4FSK
BIT SYMBOL
MAPPER
཮41. ݀พۙ዆ํแ‫ݛ‬ӄ
Rev. 0 | Page 26 of 64
07246-015
6
07246-014
IDAC
ADF7021-N
‫أ‬କࡗ֑ᄣ2FSKఇ๕ྔLjሞ໯ᆶۙ዆ఇ๕ူLjTxRxCLKᆅ
গฉ‫ࠃ༵ࣷۼ‬৛ඓ้ዓLjᅜՍӀ໯Ⴔຕ਍໏୲ॽઠጲྲ੦
዆ഗ‫ڦ‬ຕ਍໮٪෇݀พև‫ݴ‬ăُ้ዓ‫ڦ‬৛ඓೕ୲ۨᅭྺ
XTAL
DEMOD CLK _ DIVIDE_× CDR CLK _ DIVIDE_× 32
ഄዐǖ
XTALྺৗናईTCXOೕ୲ă
DEMOD_CLK_DIVIDE๟ยዃ঴ۙഗ้ዓ໏୲‫ݴڦ‬ೕഗ
)R3_DB[6:9]*ă
CDR_CLK_DIVIDE๟ยዃCDR้ዓ໏୲‫ݴڦ‬ೕഗ)R3_DB
[10:17]*ă
ᆶ࠲Պ‫ၘײ‬൧Lj൩֖९स٪ഗ3—݀พ/থ๭้ዓस٪ഗև
‫ݴ‬ă
3पೕᅎ॰੦(3FSK)
ሞ3पFSKۙ዆!)ᆼ‫ྺ׬‬Ⴊኟມܾ৊዆FSK*!ዐLjܾ৊዆ຕ਍
)இड0ࢅ1*ᆙพ‫ڟ‬ෙ߲փཞ‫ڦ‬ೕ୲ฉǖሜհೕ୲)fC*Ăሜհ
ೕ୲३ೋֶೕ୲)fC − fDEV*ᅜतሜհೕ୲ेೋֶೕ୲)fC+
fDEV*ă
இड0ᆙพ‫ڟ‬ሜհೕ୲Ljஇड1ᆙพ‫ڟ‬fC − fDEVೕ୲ईfC + fDEV
ೕ୲ă
0
fC – fDEV
ยዃFSK݀พೋֶೕ୲
ዐ႐ೕ୲ೋֶDŽHzDžऺ໙සူǖ
‫ܔ‬ᇀ኱থSG๼‫؜‬Lj!
PFD × Tx _ FREQUENCY _ DEVIATION
216
‫ܔ‬ᇀഔᆩ‫ڦ‬SG`EJWJEF`CZ`3Lj
f DEV [Hz] 0.5 ×
fC
fC + fDEV
RF FREQUENCY
ሞ໯ᆶۙ዆ఇ๕ူLjᇑዐ႐ೕ୲‫ڦ‬ೋֶ‫ۼ‬๟๑ᆩ
Tx_FREQUENCY_DEVIATION࿋)R2_DB[19:27]*ઠยዃ
‫ڦ‬ă
f DEV [Hz] +1
–1
཮42. 3FSK‫ࡽޙ‬዁ೕ୲ᆙพ
ᆯᇀRFՉ‫ټ‬ዐၩ३କᅃၵీଉժገᅎ‫ڟ‬ሜհೕ୲ฉLjᅺُ
ࢅ2FSK၎ԲLj޿࿋዁ೕ୲ᆙพࣷሰ‫݀ׯ‬พ‫੻ټ‬ই‫گ‬ăۙ዆
ኸຕড‫้گ‬Lj3FSK‫݀ڦ‬พೕ೷ၳ୲ፌ‫ܠ‬Բ2FSK༵ߛ25ǁă
3FSK‫ڦ‬࿋዁‫ࡽޙ‬ᆙพ๟૧ᆩ၍ႠਝओՊஓഗํแ‫ڦ‬Lj޿Պ
ஓഗ࣏ሎႹሞথ๭ഗా֑ᆩྼ༬Բॠ֪ăᆩઠํ၄ُဣཥ
‫݀ڦ‬พᆘॲ઀཮ස཮43໯๖ăᆩઠํแ݀พೕ೷ኝႚ‫ڦ‬ਝ
ओՊஓഗ‫ܠ‬ၜ๕ྺ
P(D) = 1 − D 2
PFD × Tx _ FREQUENCY_ DEVIATION
216
ഄ ዐ Tx_FREQUENCY_DEVIATION๟ ٗ 1዁ 511‫ ڦ‬ຕ ኵ
)R2_DB[19:27]*ă
ሞ4FSKۙ዆ዐLj຺߲‫)ࡽޙ‬00Ă01Ă11Ă10*ፕྺ±3 × fDEV ࢅ
±1 × fDEVઠ݀พă
ܾ৊዆ೕᅎ॰੦(2FSK)
ยዃዐ႐ೕ୲‫ڦ‬NኵLj඗ࢫᆩTxDATA၍ୟ‫ܔ‬ഄ৊ႜൎ
࣑Ljन੗ํ၄ଇपೕᅎ॰੦ăዐ႐ೕ୲ೋֶ๟๑ᆩ
Tx_FREQUENCY_DEVIATION࿋R2_DB[19:27]ઠยዃ‫ڦ‬ă
ഄዐǖ
PྺਝओՊஓഗ‫ܠ‬ၜ๕ă
Dྺ‫ڇ‬࿋ჽ‫׿‬໙ጱă
‫ࡧڿدټ‬ຕ1/P(D)‫ڦ‬ຕጴᇨՊஓഗሞ݀พऐዐํแ1 − D2ኝ
ႚ୳հഗ‫ݒڦ‬ၠఇ2ሏ໙ă
Tx DATA
0, 1
ᄲ჋ስ2FSKLj੗ॽMODULATION_SCHEME࿋)R2_DB
[4:6]*ยྺ000ă
PRECODER
1/P(D)
0, 1
CONVOLUTIONAL
ENCODER
P(D)
0, +1, –1
fC
FSK MOD
fC + fDEV
fC – fDEV
CONTROL
AND
DATA FILTERING
཮43. 3FSKՊஓ
Rev. 0 | Page 27 of 64
TO
N DIVIDER
07246-046
DATA CLK ჋ስ2FSKۙ዆ժ֑ᆩۙ዆ኸຕ0.5Lj੗ኧ‫׼‬ፌၭೕᅎ॰੦
)MSK*ईߛຯፌၭೕᅎ॰੦)GMSK*ăॽR2_DB[19:27]ದዃ
ྺfDEV = 0.25 × ݀พຕ਍໏‫܈‬Ljन੗ยዃ0.5‫ۙڦ‬዆ኸຕă
07246-057
ยዃ݀พຕ਍໏୲!
ADF7021-N
๼෇ܾ৊዆݀พຕ਍዁3पਝओ๼‫ڦ؜‬႑ࡽᆙพස՗10໯
๖ăਝओՊஓഗॽ૶Ⴤ+1ई−1‫ڦ‬ፌ‫ٷ‬ຕణ၌዆ྺ2ժၠFSK
ۙ዆ഗ༵ࠃ၎‫ڪ‬ຕణ‫ڦ‬+1ࢅ−1Ljܸٗඓԍଇ߲RFՉ‫ాټ‬ೕ
೷ీଉ၎‫ڪ‬
՗10. ਝओՊஓഗ‫ڦ‬3प႑ࡽᆙพ
TxDATA
ᇨՊஓഗ๼‫؜‬
Պஓഗ๼‫!؜‬
1
0
1
0
+1 0
1
0
−1
1
1
+1
0
0
0
0
1
0
1
1
+1
0
1
0
0
1
0
1
0
−1
ُՊஓ‫ݛ‬ӄ‫ڦ‬ଷᅃ༬Ⴀ๟࿮኱ୁ݀พ‫ࡽޙ‬ႾଚLjᆶ૧ᇀথ
๭ऐዐ‫ࡽޙڦ‬ॠ֪ࢅೕ୲֪ଉăُྔLjُ3पਝओՊஓഗ
փࣷሰ‫ׯ‬ஓ୲໦ࡼǗन݀พ‫ࡽޙ‬໏୲‫ڪ‬ᇀ݀พຕ਍๼෇‫܋‬
‫ڦ‬ຕ਍໏୲ă
ᄲ ჋ ስ 3FSKLj ੗ ॽ MODULATION_SCHEME࿋
)R2_DB[4:6]*ยྺ010ă3FSKۙ዆ఇ๕ူ࣏੗๑ᆩืᇆ၀୳
հ৊ᅃօ༵ߛ݀พ႑ࡽ‫ڦ‬ೕ೷ၳ୲ă
4पೕᅎ॰੦DŽ4FSKDž
ሞ4FSKۙ዆ዐLjॽTXຕ਍࿋ୁዐ‫૶ڦ‬Ⴤ๼෇࿋‫ܔ‬ᆙพ‫ڟ‬
຺߲੗ీ‫)ࡽޙ‬−3Ă−1Ă+1Ă+3*ዐ‫ڦ‬ඪᅪᅃ߲Ljन੗ํ၄
௅‫ࡽޙ‬ଇ࿋‫ڦ‬ೕ೷ၳ୲ăᅺُLj݀พ‫ࡽޙ‬໏୲๟๼෇Բ༬
୲‫ڦ‬ᅃӷă
ॽ‫ࡽޙ‬ೕ୲क़ਐই዁ፌ‫گ‬੗༵ߛ4FSK‫ڦ‬ೕ೷ၳ୲ă4FSK‫ڦ‬
࿋዁‫ࡽޙ‬ᆙพ֑ᆩ߭ૃஓLjස཮44໯๖ă
Tx DATA
0
0
0
1
1
0
1
1
ࡗ֑ᄣ2FSK
ሞࡗ֑ᄣ2FSKዐLjுᆶઠጲTxRxCLKᆅগ‫ڦ‬ຕ਍้ዓLjܸ
๟ᅜ32Ԡ‫ڦ‬ยዃ໏୲‫ܔ‬TxRxDATAᆅগ‫݀ڦ‬พຕ਍৊ႜ֑
ᄣă
ኄ๟ྸᅃ੗ᅜࢅUARTఇ๕থ੨ᅃഐᆩᇀຕ਍݀พ‫ۙڦ‬዆
ఇ๕)ᆶ࠲ၘ൧൩֖९থ੨૶থ዁ྲ੦዆ഗ/DSPև‫*ݴ‬ă
ೕ೷ኝႚ
ߛຯईืᇆ၀୳հ੗ᆩઠ༵ߛ݀พೕ೷ၳ୲ăADF7021-N
ኧ‫׼‬ሞ2FSKۙ዆ఇ๕ዐ๑ᆩߛຯ୳հ)‫้੻ټ‬क़[BT] = 0.5*ă
ืᇆ၀୳հ੗ሞ2FSKĂ3FSKई4FSKۙ዆ఇ๕ူ๑ᆩăื
ᇆ၀୳հഗ‫ࡐڦ‬ইဣຕ)alpha*ਏᆶ0.5ࢅ0.7‫ڦ‬੗Պ‫ײ‬჋ၜă
ߛຯࢅืᇆ၀୳հഗ‫֑ۼ‬ᆩ৛ඓ੦዆BTࢅalpha୳հഗ֖
ຕ‫ڦ‬၍Ⴀ၎࿋ຕጴ୳հഗॐࠓઠํแLjժඓԍ݀พೕ೷փ
ໜ࿒‫ۉࢅ܈‬ᇸ‫ۉ‬უܸՎࣅă
ߛຯೕᅎ॰੦(GFSK)
ߛຯೕᅎ॰੦‫݀ܔ‬พຕ਍৊ႜຕጴമዃ୳հLjᅜ३ณ݀พ
ೕ೷቞ᆩ‫੻ټڦ‬ă໯ᆩߛຯ୳հഗ‫ڦ‬BT‫ױ‬ओྺ0.5ă
ߛຯ୳հኻీሞ2FSKۙ዆ఇ๕ူ๑ᆩăᄲ჋ስ2FSKLj੗ॽ
R2_DB[4:6]ยྺ001ă
ืᇆ၀୳հ
ืᇆ၀୳հ૧ᆩࡐইဣຕ)alpha*ྺ0.5ई0.7‫ืڦ‬ᇆ၀୳հഗ
ઠ‫݀ܔ‬พຕ਍৊ႜຕጴമዃ୳հăalphaఐණยዃྺ0.5Lj
‫ڍ‬੗֑ᆩ0.7‫ڦ‬alphaኵ)ॽR2_DB30ยྺஇड1*ઠ༵ߛืᇆ
၀୳հഗ‫੻ټ‬ᅜই‫گ‬ຕ਍୳հഽ‫܈‬ăืᇆ၀୳հ੗ሞ
2FSKĂ3FSKࢅ4FSKۙ዆ఇ๕ူ๑ᆩă
f
+3fDEV
SYMBOL
FREQUENCIES
ሞথ๭ఇ๕‫ڦ‬ฉ‫ۉ‬Ⴞଚዐ‫ܔ‬स٪ഗ3ኴႜႀ෇֡ፕࢫLj
TxRxCLKᆅগ‫݀ڦ‬พ้ዓ੗ᆩă‫ܔ‬स٪ഗ3ኴႜႀ෇֡ፕ
ࢫLjሞADF7021-Nׂิ‫ڼ‬ᅃ߲݀พ้ዓஞ؋้Ljᆌॽ‫ڼ‬ᅃ
߲‫ڦࡽޙ‬MSB๼෇ADF7021-Năᆶ࠲้Ⴞၘ൧Lj൩֖९཮
6ă
+fDEV
–fDEV
t
07246-016
ස՗11໯๖Ljืᇆ၀୳հཚࡗยዃR2_DB[4:6]ઠഔᆩă
–3fDEV
཮44. 4FSK࿋዁‫ࡽޙ‬ᆙพ
ా և ೋ ֶ ೕ ୲ ) , g E F W ࢅ −g E F W * ૧ ᆩ
Uy`GSFRVFODZ`EFWJBUJPO࿋S3`EC\2:;38^ઠย
ዃăྔևೋֶೕ୲ጲ‫ۯ‬ยྺాևೋֶೕ୲‫ڦ‬ෙԠă
Rev. 0 | Page 28 of 64
ADF7021-N
ۙ዆ࢅ୳հ჋ၜ!
՗12. ۙ዆ࢅ୳հ჋ၜ
՗11঻ถକ߳ዖۙ዆ࢅຕ਍୳հ჋ၜă
՗11. ۙ዆ࢅ୳հ჋ၜ
ۙ዆
ܾ৊዆FSK
2FSK
MSK1
‫ټ‬ӷኟ၀ए‫ټ‬ኝႚ‫ڦ‬
!
OQPSK2
HGTL!
HNTL4!
SD3GTL!
ࡗ֑ᄣ2FSK
3पFSK
3FSK
RC3FSK
4पFSK
4FSK
RC4FSK
ۙ዆!!
2FSK
GFSK
RC2FSK, Alpha = 0.5
RC2FSK, Alpha = 0.7
3FSK
RC3FSK, Alpha = 0.5
RC3FSK, Alpha = 0.7
4FSK
RC4FSK, Alpha = 0.5
RC4FSK, Alpha = 0.7
ჽ‫׿‬
1࿋
4࿋
5࿋
4࿋
1࿋
5࿋
4࿋
1‫ࡽޙ‬
5‫ࡽޙ‬
4‫ࡽޙ‬
ຕ਍୳հ
R2_DB[4:6]
࿮!
࿮!
࿮!
000
000
000
ߛຯ!
ߛຯ
ืᇆ၀
࿮
001
001
101
100
࿮
ืᇆ၀
010
110
BEG8132.Oాዃକැ߅֪๬ஓ݀ิഗLjՍᇀ৊ႜ࿮၍‫ۉ‬
૾ୟยዃईSG֪ଉă!
࿮
ืᇆ၀
011
111
๴ኧ‫׼‬ஓ‫ྜڦ‬ኝଚ՗९՗24ăኄၵ֪๬ஓ‫ڦ‬ຕ਍໏୲๟स
٪ഗ4ዐยዃ‫ڦ‬Պ‫ײ‬ຕ਍໏୲ă!
֪๬ஓ݀ิഗ!
1.
MSK๟ۙ዆ኸຕ = 0.5‫ڦ‬2FSKۙ዆ă
2.
‫ټ‬ӷኟ၀ए‫ټ‬ኝႚ‫ڦ‬ೋᅎኟ঍၎ᅎ॰੦DŽOQPSKDžᇑMSKೕ೷‫ڪ‬ၳă
3.
GMSK๟ۙ዆ኸຕ = 0.5‫ڦ‬GFSKă
֪ଉତ‫)୲ࠀڢ‬BDQ*ई቞ᆩ‫้੻ټ‬Lj֪๬ۙ዆๢ᆩQO:Ⴞ
ଚă!
՗13. ݀พ֪๬ஓ݀ิഗ჋ၜ
݀พჽ‫׿‬
݀พჽ‫׿‬๟ኸٗTxRxCLK႑ࡽ‫ܔ‬࿋/‫ࡽޙ‬৊ႜ֑ᄣ‫޿ڟ‬࿋/
‫؜ࡽޙ‬၄ሞRF๼‫ڦ܋؜‬ჽ‫้׿‬क़ă࿮ຕ਍୳հ‫ڦ‬ჽ‫ྺ׿‬1
࿋ăස՗12໯๖Ljሺेຕ਍୳հࣷ৊ᅃօሺेჽ‫׿‬ă
ຕ਍้ዓ‫ܔ‬ፌࢫᅃ߲ຕ਍࿋৊ႜ֑ᄣࢫLjADF7021-NခՂ
ԍ‫݀׼‬พఇ๕ᅜ‫ت‬૙ُჽ‫׿‬ăADF7021-Nԍ‫݀׼‬พఇ๕‫ڦ‬
้क़ᆌ‫ڪ‬ᇀ໯ᆩۙ዆‫ݛ‬ӄ‫ڦ‬ჽ‫׿‬࿋ዜ೺ຕăኄᄣ੗ඓԍ
TxRxCLK႑ࡽ֑ᄣ‫ڦ‬໯ᆶຕ਍‫؜ۼ‬၄ሞRFฉă
֪๬ஓ!!
ኟ‫׉‬
݀พሜհ
݀พ + fDEV ᅼ
݀พ − fDEV ᅼ
݀พ1010ஓ
݀พPN9Ⴞଚ
ዘް݀พSWDஓ
՗12ዐ‫ڦ‬ჽ‫׿‬ຕ਍्ۨ๑ᆩኟTxRxCLKՉᄂઠ֑ᄣຕ਍)ఐ
ණ*ăසࡕཚࡗยዃR2_DB[28:29]ઠ‫ݒ‬ገTxRxCLKLjሶ੗ၠ
՗12ా‫ڦ‬໯ᆶኵምሺे0.5࿋ჽ‫׿‬ă
Rev. 0 | Page 29 of 64
R15_DB[8:10]
000
001
010
011
100
101
110
‫ٱ‬ဃƽ࿄ኪ࿔‫ڗ‬
ຌႠఁ‫׬‬
ADF7021-N
থ๭ऐև‫ݴ‬
RFമ‫!܋‬
ᆩ‫گ‬ዐೕॐࠓփৈ‫ٷٷ‬३ณྔևᇮॲຕଉLj࣏Ն௨କ‫ۉ‬૰
၍ᆅഐ‫߅ڦ‬ඡ࿚༶ă
཮45໯๖‫ڦ‬๟থ๭ऐമ‫܋‬঳ࠓăᆩࢽ੗ཚࡗ‫ܠ‬ዖՊ‫ײ‬჋ၜ
ሞଳ௺‫܈‬Ă၍Ⴀ‫ୁۉࢅ܈‬ၩࡼኮक़৊ႜൽปLjᅜՍ߸ࡻ‫ں‬
஢ፁਏ༹ᆌᆩᄲ൱ăྺइ‫ڥ‬ডߛ‫ੇڦ‬ሗොথ๭ీ૰Lj‫گ‬ሯ
ำ‫ٷݣ‬ഗ)LNA*‫ټ‬ᅃֶ߲‫ݴ‬๼෇ă჋ስ݀พఇ๕)R0_DB27 = 0*
ࢫLjਸ࠲SW2ࣷ๑LNA๼෇‫܌‬ୟăኄၜࠀీᆶ૧ᇀยऺᅃ߲
ፇࢇ๕LNA/PA೅ದྪஏܸ࿮ႴྔևRx/Txਸ࠲ăᆶ࠲೅ದ
ྪஏยऺ‫ၘڦ‬൧Lj൩֖९LNA/PA೅ದև‫ݴ‬ă
ස ࡕ AGC࣍ ୟ ্ ᆩ Lj ሶ ዐ ೕ ୳ հ ഗ ሺ ᅮ ੗ ཚ ࡗ
FILTER_GAIN࿋)R9_DB[22:23]*ยྺෙ߲຤ೝዐ‫ڦ‬ᅃ߲ă
ഔᆩAGC࣍ୟ้Lj୳հഗሺᅮጲ‫ۙۯ‬বă
ዐೕ୳հഗ‫ࢅ੻ټ‬ዐ႐ೕ୲ၯጚ!
ᄲց‫߾׋‬ᅝඹֶLjฉ‫ࢫۉ‬ᆌ‫ܔړ‬ዐೕ୳հഗ৊ႜၯጚᅜඓ
ԍ‫ࢅ੻ټ‬ዐ႐ೕ୲ኟඓă༵ࠃٚၯࢅ৛ၯଇዖ‫ݛ‬ӄLjٚၯ
ኸ੺໏ၯጚLj৛ၯኸᅜߛ৛‫܈‬৊ႜ୳հഗ‫ܔ‬ዐLjᆩࢽ੗ጲ
჋ăٚၯཚࡗॽR5_DB4ยྺߛ‫ۉ‬ೝઠഔᆩă৛ၯཚࡗॽ
R6_DB4ยྺߛ‫ۉ‬ೝઠഔᆩă
ᇡၘဦକ঴ࢆ้Ⴔᄲ৊ႜ୳հഗၯጚĂనၵᆌᆩ๢ࢇٚۙ
ई৛ۙLj൩֖९ዐೕ୳հഗ‫੻ټ‬ၯጚև‫ݴ‬ă
I (TO FILTER)
RSSI/AGC
SW2
LNA
LO
Q (TO FILTER)
LNA_MODE
(R9_DB25)
MIXER LINEARITY
(R9_DB28)
LNA_BIAS
(R9_DB[26:27])
07246-017
LNA_GAIN
(R9_DB[20:21])
LNA/MIXER_ENABLE
(R8_DB6)
཮45. RFമ‫܋‬
RSSIፕྺᅃ߲߶ໜए‫)ټ‬BB*ཚ‫୳ڢ‬հ‫ڦ‬ደْუ໫‫ܔ‬ຕ‫ٷݣ‬
ഗă޿‫ܔ‬ຕ‫ٷݣ‬ഗ‫ܔڦ‬ຕ၍Ⴀ‫ٳ܈‬±3 dBă࣏੗ग़ፔ၌‫ޗ‬
ഗLj‫ܔ‬FSK঴ۙഗ‫ڦ‬႑ࡽ዁ຕጴഽ‫܈‬৊ႜገ࣑ă฿ۙၯኟ
‫ۉ‬ୟ๑ᆩBBOS_CLK_DIVIDE࿋)R3_DB[4:5]*Ljࢫኁᆌยዃ
ྺ1 MHzࢅ2 MHzኮक़ăRSSIഽ‫܈‬ཚࡗᅃ߲80प)7࿋*Flash
ADC৊ႜገ࣑Ljᅜᆩᇀᆩࢽ࣮‫ࢅ܁‬ຕጴ੦዆AGCă޿ഽ‫܈‬
੗ገ࣑‫ׯ‬๼෇ࠀ୲)dBm*ăఐණ൧઄ူLjᅜথ๭ఇ๕ฉ‫ۉ‬
้LjAGCਸഔă
LANࢫথᅃ߲ኟ঍ူՎೕंೕഗLjॽRF႑ࡽገ࣑‫ׯ‬100
kHz‫ڦ‬ዐೕೕ୲ăခՂጀᅪLjࢇ‫ׯ‬ഗ๼‫؜‬ೕ୲ኵՂႷยዃ
ྺԲথ๭ཚ‫ڢ‬ዐ႐ೕ୲‫گ‬100 kHzăLNAᆶଇዖएԨ߾ፕఇ
๕ǖߛሺᅮ/‫گ‬ሯำఇ๕ࢅ‫گ‬ሺᅮ/‫୲ࠀگ‬ఇ๕ăᄲሞଇዖ
ఇ๕ኮक़ൎ࣑Lj൩๑ᆩLNA_MODE࿋)R9_DB25*ă๑ᆩ
MIXER_LINEARITY࿋)R9_DB28*Lj࣏੗ॽंೕഗದዃྺ‫گ‬
‫ୁۉ‬ఇ๕ईሺഽ၍Ⴀఇ๕ă
OFFSET
CORRECTION
1
A
IFWR
ዐೕ୳հഗ!
ዐೕ୳հഗยዃ!
֑ᆩዐ႐ೕ୲ྺ100 kHz‫ڦ‬࿵঩ә༬࿦ጦ‫ܠ‬၎ዐೕ୳հഗLj
੗ᅞ዆‫߅ྔټ‬ඡă޿ዐೕ୳հഗ‫੻ټڦ‬੗ཚࡗ
R4_DB[30:31]Պ‫ྺײ‬9 kHzĂ13.5 kHzई18.5 kHzLj჋ስ้ᆌ
ሞ߅ඡᅞ዆ࢅ໯Ⴔ႑ࡽປ३ኮक़ፕ‫؜‬඄࢚ă
IFWR
A
IFWR
LATCH
IFWR
FSK
DEMOD
CLK
ADC
R
ߵ਍ਏ༹ᆌᆩ‫ڦ‬ଳ௺‫ࢅ܈‬၍Ⴀᄲ൱Ljॺᅱ၎ᆌۙኝ
LNA_MODE࿋ࢅMIXER_LINEARITY࿋Ljස՗15໯๖ă
LNAሺᅮཚࡗLNA_GAIN࿋)R9_DB[20:21]*ઠದዃLjժ੗
ཚࡗᆩࢽईጲ‫ۯ‬ሺᅮ੦዆)AGC*இडઠยዃă
A
RSSI
07246-018
RFIN
Tx/Rx SELECT
(R0_DB27)
RFINB
཮46. RSSI઀཮
RSSIពኵ
‫ړ‬RSSI‫ࡗג‬AGC_HIGH_THRESHOLD (R9_DB[11:17])้Lj
ሺ ᅮ ই ‫ گ‬ă ‫ ړ‬RSSI‫ گ‬ᇀ AGC_LOW_THRESHOLD
(R9_DB[4:10])้Ljሺᅮሺेăᅜথ๭ఇ๕ฉ‫้ۉ‬Ljពኵఐ
ණ ྺ 30ࢅ 70ă ੗ ‫ ܔ‬ჽ ‫ ) ׿‬ᆯ AGC_CLK_DIVIDE,
R3_DB[26:31]ยዃ*৊ႜՊ‫ײ‬ᅜՍॺ૬࣍ୟăॺᅱॽኵยྺ
13ᅜ๑AGC߸ႎ໏୲‫ڟٳ‬7.7 kHză
Rev. 0 | Page 30 of 64
ADF7021-N
ᆩࢽ੗ᅜ჋ስႪ߀30ࢅ70ኄଇ߲ఐණពኵ)स٪ഗ9*ăఐණ
‫ڦ‬AGCยዃኵ๢ࢇ‫ܠٷ‬ຕᆌᆩăᄲ๑AGCኟ‫߾׉‬ፕLjពኵ
क़߰ՂႷ‫ٷ‬ᇀ30ă
฿ۙၯኟ้ዓ
ሞस٪ഗ3ዐLjᆩࢽᆌยዃBBOS_CLK_DIVIDE࿋)R3_DB
[4:5]*ᅜ๑ए‫ټ‬฿้ۙዓDŽBBOS CLKDžೕ୲‫ت‬ᇀ1 MHzࢅ2
MHzኮक़
AGC Settling Time [sec] Number of AGC Gain Changes
AGC Update Rate [Hz]
ሞAGCॺ૬ࡗ‫ײ‬ዐLjፌ࣋‫ڦ‬൧઄৽๟AGC੦዆࣍ୟՂႷთ
࣍ཚࡗ໯ᆶ࿵߲ሺᅮยዃLjሞኄዖ൧઄ူAGCॺ૬้क़‫ٳ‬
‫ڟ‬ፌ‫ٷ‬ኵ650 μsă
RSSIࠅ๕DŽ࣑໙‫ׯ‬dBmDž
RSSIࠅ๕ྺ
BBOS CLK [Hz] = XTAL/(BBOS_CLK_DIVIDE)
ഄዐ BBOS_CLK_DIVIDE ੗ยྺ4Ă8Ă16ई32ă
AGC႑တࢅ้ۨ
AGC๟ఐණ჋ስ‫ڦ‬Ljኍ‫ڦڥ֪ܔ‬RSSIഽ‫܈‬৊ႜ၎ᆌ‫ڦ‬LNA
ࢅ୳հഗሺᅮยዃࢫLjAGCन੗߾ፕăසࡕᆩࢽထྭ৊෇
՗15໯ଚ‫ڦ‬ഄዐᅃ߲ఇ๕Lj੗ཚࡗႀ෇स٪ഗ9ઠ্ᆩ
AGCăAGC‫ۉ‬ୟ‫ॺڦ‬૬้क़ᅃӯྺ390 μsLjᅺُጚඓ֪ଉ
RSSI໯ࢾ‫้ڦ‬क़ᅃӯᄺྺ390 μsă‫ڍ‬ਏ้༹क़ൽਦᇀAGC
‫ۉ‬ୟՂႷთ࣍ཚࡗ‫ڦ‬ሺᅮยዃຕă௅ْႪ߀ሺᅮࢫLjAGC
࣍ୟࣷሞยۨ‫้ڦ‬क़ా‫ځڪ‬LjᅜՍॺ૬ຨՎăُAGC߸ႎ
໏୲ᅈ਍ᅜူࠅ๕ยዃ
AGC Update Rate [Hz] =
,
ස๑ᆩॺᅱ‫ڦ‬AGC_CLK_DIVIDEยዃLjAGCጺॺ૬้क़
ྺ
SEQ _ CLK _ DIVIDE [Hz]
AGC _ CLK _ DIVIDE
ഄዐǖ
AGC_CLK_DIVIDEᆯR3_DB[26:31]ยዃăླྀ४ኵ13ă
SEQ_CLK_DIVIDE = 100 kHz (R3_DB[18:25]).
๼෇ࠀ୲ [dBm] =
−130 dBm + (࣮‫پ܁‬ஓ + ሺᅮఇ๕ၯኟ) × 0.5
ഄዐǖ
࣮‫پ܁‬ஓ๟ᆯस٪ഗ7࣮‫܁‬स٪ഗዐ‫ڦ‬࿋RV7዁࿋RV1ߴ‫؜‬
‫֖)ڦ‬९཮58ࢅ࣮‫߭܁‬๕և‫*ݴ‬ă
ሺᅮఇ๕ၯኟ๟ᆯ՗14ዐ‫ڦ‬ኵߴ‫ڦ؜‬ă
ሞRSSI࣮‫ײࡗ܁‬ዐLjLNAሺᅮ)LG2ĂLG1*ࢅ୳հഗሺᅮ
)FG2ĂFG1*ኵᄺ੗࣮ٗ‫܁‬स٪ഗइ‫ڥ‬ă
՗14. ሺᅮఇ๕ၯኟ
LNAሺᅮ
(LG2ĂLG1)
H (1, 0)
M (0, 1)
M (0, 1)
M (0, 1)
L (0, 0)
୳հഗሺᅮ
(FG2LjFG1)
H (1, 0)
H (1, 0)
M (0, 1)
L (0, 0)
L (0, 0)
ሺᅮఇ๕ၯኟ
0
24
38
58
86
ᆌ‫ړ‬ᆅ෇ᅃ߲޹ेဣຕᅜ঴ਦമ‫܋‬೅ದྪஏ0ཀ၍໦ࡼă
՗15. LNA/ंೕഗఇ๕
থ๭ऐఇ๕
ߛଳ௺‫܈‬ఇ๕
)ఐණ*!
ሺഽ၍Ⴀߛሺᅮ!
ዐ‫ڪ‬ሺᅮ!
ሺഽ၍Ⴀዐ‫ڪ‬ሺᅮ!
‫گ‬ሺᅮ!!
ሺഽ၍Ⴀ‫گ‬ሺᅮ!
LNA_MODE
(R9_DB25)
0
LNA_GAIN
(R9_DB[20:21])
30
MIXER_LINEARITY
(R9_DB28)
0
ଳ௺‫(܈‬2FSK, DR =
4.8 kbps, fDEV = 4 kHz)
−118
24.6
๼෇IP3
(dBm)
−24
0
30
1
−114.5
24.6
−20
1
1
10
10
0
1
−112
−105.5
22.1
22.1
−13.5
−9
1
1
3
3
0
1
−100
−92.3
22.1
22.1
−5
−3
Rev. 0 | Page 31 of 64
Rx‫ୁۉ‬ၩࡼ (mA)
ADF7021-N
঴ۙĂॠհࢅCDR
၎࠲ഗ঴ۙഗ!
཮47߁ຎକADF7021-Nฉথ๭႑ࡽ‫ڦ‬঴ۙĂॠհत้ዓࢅ
ຕ਍࣬ް(CDR)ă
ံ‫ܔ‬ዐೕ୳հഗ‫ڦ‬ኟ঍๼‫؜‬৊ႜ၌‫ޗ‬Lj඗ࢫॽഄઍໃ‫ڟ‬၎
࠲ഗFSK঴ۙഗई၍ႠFSK঴ۙഗă၎࠲ഗ঴ۙഗᆩᇀ
2FSKĂ3FSKࢅ4FSK঴ۙă၍Ⴀ঴ۙഗᆩᇀೕ୲֪ଉժሞ
AFC࣮ୟघऄ้ഔᆩă၍Ⴀ঴ۙഗᄺ੗ᆩᇀ2FSK঴ۙă
঴ۙഗࢫথᅃ߲ຕጴࢫዃ঴ۙഗ୳հഗLj੗ၩ‫أ‬঴ۙഗ႑
ࡽ๼‫؜‬ዐ‫ࡗڦ‬ଉሯำăពኵ/၌‫ޗ‬ഗॠհᆩᇀ2FSKࢅ4FSK
ຕ਍࣬ްă3FSKຕ਍࣬ް੗๑ᆩពኵॠհईྼ༬Բॠհઠ
ํ၄ă
ೌాCDR PLLᆩઠॽথ๭࿋ୁᇑԨ‫้ں‬ዓዘႎཞօă໲‫ݴ‬
՚ሞTxRxDATAࢅTxRxCLKᆅগฉ๼‫؜‬ዘႎ้ۨ‫ڦ‬ຕ਍ࢅ
้ዓă
LIMITERS
I
FREQUENCY
CORRELATOR
MUX
LINEAR
DEMODULATOR
I
Q
IF – fDEV
IF + fDEV
R4_DB9
Rx_INVERT
R4_DB7
DOT_PRODUCT
཮48. 2FSK၎࠲ഗ঴ۙഗ֡ፕ
ံ‫ܔ‬ዐೕ୳հഗ‫ڦ‬ኟ঍๼‫؜‬৊ႜ၌‫ޗ‬Lj඗ࢫॽഄઍໃ‫ڟ‬ຕ
ጴೕ୲၎࠲ഗLj‫ܔ‬2FSK/3FSK/4FSKೕ೷৊ႜ୳հࢅ६ೕă
MUX
VITERBI
DETECTION
3FSK
IF
R4_DB(10:19)
DISCRIMINATOR_BW
07246-080
CLOCK
AND
DATA
RECOVERY
OUTPUT LEVELS:
2FSK = +1, –1
3FSK = +1, 0, –1
4FSK = +3, +1, –1, –3
LIMITERS
THRESHOLD
DETECTION
2/3/4FSK
TxRxDATA
TxRxCLK
FREQUENCY CORRELATOR
DISCRIM BW
‫ܔ‬ᇀ2FSKۙ዆Ljຕ਍࣬ްཚࡗԲডଇ߲၎࠲ഗ‫ڦ‬๼‫ۉ؜‬ೝ
ઠ৊ႜăُ६ೕഗ‫ڦ‬Ⴀీৎຼᇀᅃ߲೅ದ୳հഗॠհഗLj
ࢫኁ੗ሞ٪ሞे‫ׯ‬ႠӣߛຯሯำDŽAWGNDž‫ڦ‬൧઄ူ༵ࠃ
ፌॅॠհăኄዖFSK঴ۙ‫ڦ݆ݛ‬ଳ௺‫܈‬Բ၍Ⴀ঴ۙഗ‫ٷ‬ሀ
ߛ3 dB዁4 dBă
POST
DEMOD FILTER
Q
၎࠲ഗ঴ۙഗ੗ᆩᇀ2FSKĂ3FSKࢅ4FSK঴ۙă཮48໯๖
ྺ၎࠲ഗ঴ۙഗ‫ڦ‬2FSK֡ፕă
07246-079
ဣཥ߁ຎ!
཮47. ঴ۙĂॠհࢅCDRୁ‫߁ײ‬ຎ
Rev. 0 | Page 32 of 64
ADF7021-N
๑ᆩ၎࠲঴ۙഗLjࢫথࢫዃ঴ۙഗ୳հഗLjም৊ႜពኵॠ
֪Lj੗ํ၄4FSK঴ۙăࢫዃ঴ۙഗ୳հഗ๼‫؜‬ᅃ߲4प႑
ࡽLj‫پ‬՗݀พ‫)ࡽޙ‬−3, −1, +1, +3*ă4FSKពኵႴᄲෙ߲ពኵ
ย ዃ Lj ᅃ ߲ ๔ ዕ ࠦ ۨ ሞ 0‫ ت‬Lj ଷ ྔ ଇ ߲ ੗ ૧ ᆩ
3FSK/4FSK_SLICER_THRESHOLD࿋)R13_DB[4:10]*৊ႜՊ
‫ײ‬ժ‫ݣ׬ܔ‬ሞଭฉူ‫ݛ‬ă
LEVEL
IF
LIMITER
Q
FREQUENCY
LINEAR
DISCRIMINATOR
+
SLICER
2FSK
2FSK RxDATA
RxCLK
R4_DB(20:29)
FREQUENCY
READBACK
AND AFC LOOP
07246-073
I
ENVELOPE
DETECTOR
3FSKࢅ4FSKពኵॠ֪
཮49໯๖ྺ၍Ⴀ঴ۙഗ઀཮
POST_DEMOD_
FILTER
၍Ⴀ঴ۙഗ
཮49. ၍ႠFSK঴ۙഗ઀཮
ຕጴ६ೕഗ‫ڦ‬๼‫؜‬႑ࡽࢅ၌‫ޗ‬ഗ๼‫؜‬ೕ୲‫װ‬၍ႠԲ૩࠲
ဣă६ೕഗ૧ᆩ਩ኵ୳հഗࢅԈஏॠհഗፇࢇ‫ܔ‬๼‫؜‬৊ႜ
୳հժ൱ೝ਩‫ت‬૙ă‫ܔ‬ᇀઠጲࢫዃ঴ۙഗ୳հഗ‫ڦ‬঴ۙ
2FSKຕ਍Lj࣬ް‫ݛ‬๕๟ኍ‫ܔ‬Ԉஏॠհഗ‫ڦ‬๼‫؜‬৊ႜ၌‫ޗ‬Lj
ස཮49໯๖ăኄዖ঴ۙ‫݆ݛ‬ሞথ๭ೕ೷থৎई‫ت‬ᇀዐೕ‫ټ‬
੻ా้ၯኟ݀พऐࢅথ๭ऐኮक़‫ڦ‬ೕ୲ဃֶăُԈஏॠհ
ഗ๼‫࣏؜‬ᆩᇀAFC࣮‫܁‬ժྺAFC੦዆࣍ୟ༵ࠃೕ୲ࠚ໙ă
ࢫዃ঴ۙഗ୳հഗ
ሞ঴ۙഗ๼‫܋؜‬Ljᅃ߲ܾ঩ຕጴ‫گ‬ཚ୳հഗၩ‫أ‬঴ۙ࿋ୁ
‫ࡗڦ‬ଉሯำăኄ߲മዃ঴ۙഗ୳հഗ‫੻ټڦ‬੗Պ‫ײ‬൐ՂႷ
ኍ‫ܔ‬ᆩࢽ‫ڦ‬ຕ਍໏୲ࢅথ๭ۙ዆ૌ႙ेᅜᆫࣅăසࡕ‫੻ټ‬
ยዃࡗ቏LjሶႠీࣷᆯᇀ‫ࡽޙ‬क़߅ඡ)ISI*ܸই‫گ‬ăසࡕย
ዃࡗ੻LjሶׂࣷิࡗଉሯำLjই‫گ‬থ๭ऐႠీă
POST_DEMOD_BW࿋)R4_DB[20:29]*੗ยዃኄ߲୳հഗ‫ڦ‬
‫੻ټ‬ă
2FSK࿋၌‫ޗ‬ഗ/ពኵॠ֪
2FSK঴ۙ੗૧ᆩ၎࠲FSK঴ۙഗई၍ႠFSK঴ۙഗઠํ
แăଇዖ൧઄‫֑ۼ‬ᆩពኵॠ֪ሞࢫዃ঴ۙ୳հഗ‫ڦ‬๼‫܋؜‬
৊ႜຕ਍࣬ްă
၎࠲঴ۙഗ‫ڦ‬๼‫؜‬႑ࡽ‫ۉ‬ೝ๔ዕणዐᇀଭ޹ৎăᅺُ၌‫ޗ‬
ഗពኵ‫ۉ‬ೝ੗ࠦۨሞଭ‫ت‬Lj൐঴ۙഗႠీᇑ݀พຕ਍࿋ୁ
‫ڦ‬ᆴ‫܈׊ײ‬ሀຐ࿮࠲ăᅺُຕ਍࣬ް࢔࿘ۨLjՆ௨କ‫د‬ཥ
FSK঴ۙഗዐ٪ሞ‫ۆڦ‬႙ए၍೏ᅎ࿚༶ă
‫ړ‬2FSK঴֑ۙᆩ၍Ⴀ঴ۙഗ้LjԈஏॠհഗ‫ڦ‬๼‫؜‬ᆩፕ၌
‫ޗ‬ഗពኵLjኄᅃ๼‫؜‬੗߶ጷዐೕ୳հഗ‫ڦా੻ټ‬ೕ୲ဃ
ֶă
๑ᆩ၎࠲঴ۙഗLjࢫথࢫዃ঴ۙ୳հഗLj੗ํ၄3FSK঴
ۙăࢫዃ঴ۙഗ୳հഗ๼‫؜‬ᅃ߲3प႑ࡽLj‫پ‬՗݀พ‫ࡽޙ‬
)−1, 0, +1*ă๑ᆩពኵॠ֪ईྼ༬Բॠ֪Lj੗ํ၄3FSKຕ਍
࣬ްăពኵॠ֪ཚࡗଇ߲ពኵઠํ၄Ljኄଇ߲݅ኵ੗૧ᆩ
3FSK/4FSK_SLICER_THRESHOLD࿋)R13_DB[4:10]*৊ႜՊ
‫ײ‬ժ‫ݣ׬ܔ‬ሞଭฉူ‫ݛ‬ă
3FSKྼ༬Բॠ֪
3FSKྼ༬Բॠ֪ሞ຺ༀྪ߭ฉሏႜLj໲๟๑ᆩଇ߲߾ፕ໏
୲ྺ‫ࡽޙ‬໏୲ᅃӷ‫ڦ‬঍‫ٱ‬๕ྼ༬Բॠ֪ഗઠํ၄‫ڦ‬ăྼ༬
Բॠ֪ഗཚࡗR13_DB11ઠഔᆩă
ྺ‫ݛ‬Սሞ݀พ࿋ୁా֑ᆩփཞᆴ‫܈׊ײ‬ሀຐLj੗ᅜཚࡗย
ዃVITERBI_PATH_MEMORY࿋)R13_DB[13:14]*LjӀ4࿋Ă
6࿋Ă8࿋ई32࿋‫ڦ‬օ৊‫ྼܔ‬༬Բୟ০٪‫ئ‬ഗ‫܈׊‬৊ႜՊ
‫ײ‬ăୟ০٪‫ئ‬ഗ‫܈׊‬ᆌยዃྺ‫ڪ‬ᇀई‫ٷ‬ᇀ঍‫݀ٱ‬พ࿋ୁዐ
૶Ⴤ0‫ڦ‬ፌ‫ٷ‬ຕణă
ᇑྼ༬Բॠ֪ದࢇ๑ᆩ้Lj3FSKথ๭ഗ‫ڦ‬ଳ௺‫܈‬ᅃӯԲ૧
ᆩពኵॠ֪इ‫ڦڥ‬ଳ௺‫ߛ܈‬3 dBăփࡗLjഔᆩྼ༬Բॠ֪
ഗࢫLjথ๭ഗ࿋ჽ‫ڦ׿‬ሺे‫܈ޗ‬๟ྼ༬Բୟ০٪‫ئ‬ഗ‫܈׊‬
‫ڦ‬ଇԠă
้ዓ࣬ް!
໯ᆶۙ዆ఇ๕‫֑ۼ‬ᆩࡗ֑ᄣຕጴ้ዓࢅຕ਍࣬ް)CDR*PLL
ઠ‫ܔ‬থ๭࿋ୁࢅԨ‫้ں‬ዓ৊ႜምཞօăPLL‫֑ࡗڦ‬ᄣ้ዓ
໏୲)CDR CLK*ՂႷยྺ‫ࡽޙ‬໏୲‫ڦ‬32Ԡ)֖९“स٪ഗ—
݀พ/থ๭้ዓस٪ഗ”և‫*ݴ‬ăCDR PLL‫ڦ‬ፌ‫ٷ‬ຕ਍/‫ࡽޙ‬໏
୲ඹֶൽਦᇀ݀พ‫ݴ‬ፇዐ‫ڦ‬ଭ঍ሁ‫ࡽޙ‬ሂദຕణă૩සLj
සࡕ๑ᆩਏᆶ101010മཞօஓ‫ڦ‬2FSKLjሶፌ‫ٷ‬ඹֶྺຕ਍
໏୲‫ڦ‬±3.0%ăփࡗLjሞ‫ݴ‬ፇഄᇆև‫ް࣬ݴ‬೺क़Lj੗ీ࿮
݆ԍኤ‫ࡽޙ‬ሂദᅜࡀሶक़߰‫؜‬၄Ljᅺُ޿ඹֶࣷই‫گ‬ăྺ
๑CDR‫ڦ‬ຕ਍໏୲ඹֶ‫ڟٳ‬ፌ‫ٷ‬Ljॺᅱ๑ᆩ๢‫ړ‬ႚ๕‫ڦ‬Պ
ஓࢅ/ईຕ਍ेඡLjඓԍ‫߲ܠ‬ሂദᅜࡀሶक़߰‫؜‬၄ă
Rev. 0 | Page 33 of 64
ADF7021-N
૩සLjሞ2FSKዐ๑ᆩத‫ן‬ຯ༬Պஓຕ਍Lj੗इ‫ڥ‬±2.0%‫ڦ‬
ຕ਍໏୲ඹֶă
CDR PLLยऺᆩᇀሞമཞօஓ೺क़੺໏֑ण࣬ް‫ࡽޙ‬Ljᅃ
ӯሞമཞօஓ‫ڦ‬5߲‫ࡽޙ‬ሂദాํ၄࿋ཞօă
ሞ4FSKۙ዆ዐ๑ᆩ+3, −3, +3, −3മཞօஓLjඹֶྺ‫ࡽޙ‬໏
୲‫ڦ‬±3%(ईຕ਍໏୲‫ڦ‬±1.5%)ăփࡗLjሞ‫ݴ‬ፇഄᇆև‫࣬ݴ‬
ް೺क़Lj੗ీ࿮݆ԍኤ‫ࡽޙ‬ሂദᅜࡀሶक़߰‫؜‬၄Ljᅺُ޿
ඹֶࣷই‫گ‬ăྺ๑‫ࡽޙ‬/ຕ਍໏୲ඹֶ‫ڟٳ‬ፌ‫ٷ‬Ljࠓॺ
4FSK‫ݴ‬ፇ‫ڦ‬ഄ໱և‫้ݴ‬Ljᆌ๑ᆩຕ਍ेඡࢅ/ईᅜࡀሶक़
߰(ස௅8ई16߲‫)ࢫࡽޙ‬ሞ݀พ࿋ୁా֭෇༬ۨ‫ڦ‬኱ୁೝ࢚
‫ࡽޙ‬Ljඓԍ݀พ‫ࡽޙ‬থৎ࿮኱ୁ༬Ⴀă
ሞ3FSkۙ዆ዐLj၍ႠਝओՊஓഗ‫ݛ‬ӄ੗ᅜԍኤ݀พ‫ࡽޙ‬Ⴞ
ଚྺ࿮኱ୁLjܸٗᆶ૧ᇀ‫ࡽޙ‬ॠ֪ă‫ڍ‬๟Ljॺᅱ֑ᆩTxຕ
਍ेඡᅜ၌዆݀พ࿋ୁዐଭ‫ڦࡽޙ‬ᆴ‫܈׊ײ‬ă૧ᆩ3FSKLj
CDRຕ਍໏୲ඹֶᅃӯྺ±0.5%ă
՗17. 2FSKࢅ3FSk‫ڦ‬၎࠲ഗKኵۨᅭ
K
౾ຕ!
౾ຕ!
ആຕ!
ആຕ!
සႴഔᆩփཞۙ዆ఇ๕‫ڦ‬၎࠲ഗLj൩֖९՗16ă
K/2
౾ຕ!
ആຕ!
N/A
N/A
(K + 1)/2
N/A
N/A
౾ຕ!
ആຕ!
R4_DB7
0
0
1
1
R4_DB[8:9]
00
10
00
10
՗18. 4FSK‫ڦ‬၎࠲ഗKኵۨᅭ
K
౾ຕ!
ആຕ!
থ๭ऐยዃ!
၎࠲ഗ঴ۙഗยዃ!
R4_DB7
0
1
R4_DB[8:9]
00
00
၍Ⴀ঴ۙഗยዃ!
՗16. ഔᆩ၎࠲ഗ঴ۙഗ
থ๭ۙ዆!
2FSK
3FSK
4FSK
ഄዐǖ!
Round຺ป࿵෇ྺፌথৎ‫ڦ‬ኝຕă!
Round4FSKሞူଚኝຕዐൽፌথৎ‫ڦ‬ኵǖ43-!42-!39-!38-!
35-!34-!31-!2:-!27-!26-!23-!22-!9-!8-!5-!4ă
fDEV๟݀พೕ୲ೋֶDŽI{Džă‫ܔ‬ᇀ5GTLLjfDEVྺᆩᇀĠ2‫ޙ‬
ࡽ‫ڦ‬ೕ୲ೋֶDŽनాևೕ୲ೋֶDžă!
ᄲᆫࣅ၎࠲ഗဣຕLj࣏ՂႷኸۨS5`EC8ࢅS5`EC\9;:^ă
ኄၵ࿋‫ڦ‬ኵൽਦᇀLྺആຕ࣏๟౾ຕăኄၵ࿋ᅈ਍՗28ࢅ
29ઠኸۨă
၍Ⴀ঴ۙഗ੗ᆩᇀ2FSK঴ۙăᄲഔᆩ၍Ⴀ঴ۙഗLj൩ॽ
DEMOD_SCHEME࿋)R4_DB[4:6]*ยྺ000ă
DEMOD_SCHEME (R4_DB[4:6])
001
010
011
ࢫዃ঴ۙഗ୳հഗยዃ!
සႴᆫࣅথ๭ऐଳ௺‫܈‬LjՂႷኍ‫݀ܔ‬พऐ๑ᆩ‫ڦ‬༬ۨೋֶ
ೕ୲ࢅۙ዆‫ܔ‬၎࠲ഗ‫੻ټ‬৊ႜᆫࣅă६ೕഗ‫੻ټ‬ᆯR4_DB
[10:19]੦዆Ljۨᅭසူ
ࢫዃ঴ۙ୳հഗ‫ڦ‬3 dB‫੻ټ‬ᆌᅈ਍থ๭ۙ዆ૌ႙ࢅຕ਍໏
୲ઠยዃă‫੻ټ‬ᆯR4_DB[20:29:00]੦዆Ljऺ໙ࠅ๕සူ
ഄዐfCUTOFFྺࢫዃ঴ۙഗ୳հഗ‫ڦ‬ణՔ3 dB‫੻ټ‬Lj‫ڇ‬࿋Hză
ഄዐǖ
DEMOD CLKස“स٪ഗ3—݀พ/থ๭้ዓस٪ഗ”և‫ݴ‬໯ۨ
ᅭă
K๫փཞۙ዆ఇ๕ܸۨLjࠅ๕සူǖ
‫ܔ‬ᇀ2FSKLj
՗19. 2FSK/3FSK/4FSKۙ዆‫ݛ‬ӄ‫ࢫڦ‬ዃ঴ۙ୳հഗ‫੻ټ‬ยዃ
থ๭ۙ዆
ࢫዃ঴ۙഗ୳հഗ‫੻ټ‬fCUTOFF (Hz)
2FSK
3FSK
4FSK
0.75 × ຕ਍໏୲
1 × ຕ਍໏୲
1.6 × ‫ࡽޙ‬໏୲ DŽ= 0.8 × ຕ਍໏୲Dž
‫ܔ‬ᇀ3FSKLj
‫ܔ‬ᇀ4FSkLj
Rev. 0 | Page 34 of 64
ADF7021-N
3FSKྼ༬Բॠ֪ഗยዃ
3FSKྼ༬Բॠ֪ഗยዃ
ྼ༬Բॠ֪ഗ੗ᆩᇀ3FSKຕ਍ॠ֪LjཚࡗยዃR13_DB11
ྺஇड1ઠघऄă
ᄲ घ ऄ 3FSK‫ ڦ‬ព ኵ ॠ ֪ Lj R13_DB11ᆌ ย ྺ இ ड 0ă
3FSK/4FSK_SLICER_THRESHOLD࿋DŽR13_DB[4:10]Dž‫ڦ‬
ยዃ९“3FSK ྼ༬Բॠ֪ഗยዃ”և‫ݴ‬ă
ྼ ༬ Բ ୟ ০ ٪ ‫ ئ‬ഗ ‫ ܈ ׊‬੗ Պ ‫ ײ‬Lj ௅ օ 4Ă 6Ă 8ई 32࿋
)VITERBI_PATH_MEMORYLjR13_DB[13:14]*ă
ୟ০٪‫ئ‬ഗ‫܈׊‬ᆌยዃྺ‫ڪ‬ᇀई‫ٷ‬ᇀ঍‫݀ٱ‬พ࿋ୁዐ૶Ⴤ
0‫ڦ‬ፌ‫ٷ‬ຕణă
ྼ༬Բॠ֪ഗ࣏๑ᆩពኵ‫ۉ‬ೝઠํแፌ‫ຼٷ‬඗ॠ֪໙݆ă
ኄ ၵ ព ኵ ੗ ཚ ࡗ 3FSK/4FSK_SLICER_THRESHOLD࿋
)R13_DB[4:10]*ઠՊ‫ײ‬ă
ኄၵ࿋ኸۨසူǖ
ഄዐKྺ၎࠲ഗ६ೕഗ‫ऺڦ੻ټ‬໙ኵă
3FSK CDRยዃ
ሞ3FSKዐLjॺᅱ֑ᆩ዁ณᆶ40࿋૶Ⴤ1‫݀ڦ‬พമཞօஓLj
ඓԍᆶፌ‫ٷ‬ຕణ‫ࡽޙڦ‬ሂദ੗ࠃCDR൩൱໮ۨă
ᄲ‫ܔ‬3FSK৊ႜ้ዓࢅຕ਍࣬ްLjႴᄲሞस٪ഗ13ాยዃැ
߅֖ຕDŽ֖९՗20Džă
4FSKྼ༬Բॠ֪ഗยዃ
4FSKॠ֪ഗពኵ֑ᆩ3FSK/4FSK_SLICER_THRESHOLD࿋
)R13_DB[4:10]*ઠยዃăពኵᅈ਍සူࠅ๕ยዃ
其中K为相关器鉴频器带宽的计算值。
՗20. 3FSK CDRยዃ
֖ຕ
PHASE_CORRECTION (R13_DB12)
3FSK_CDR_THRESHOLD (R13_DB[15:21])
ླྀ४ยዃ!!
1
ᆩ཰௮ຎ
၎࿋ၯኟਸഔ
ยዃCDRਦ֧ពኵ‫ۉ‬ೝ
ഄዐKྺ၎࠲ഗ६ೕഗ‫ऺڦ੻ټ‬໙ኵ
3FSK_PREAMBLE_TIME_VALIDATE (R13_DB [22:25])
മཞօஓॠ֪ഗ้क़၌َۨ
15
Rev. 0 | Page 35 of 64
ADF7021-N
঴ۙഗ੊୯ᅺ໎
2FSKമཞօஓ
‫ ܔ‬ᇀ 2FSKLj ॺ ᅱ ‫ ڦ‬മ ཞ օ ஓ ࿋ ఇ ๕ ྺ ࿮ ኱ ୁ ఇ ๕ DŽ ස
10101010…ఇ๕Džăᄺ੗֑ᆩਏᆶ߸‫׊‬ᆴ‫܈׊ײ‬ሀຐ‫ڦ‬മ
ཞօஓDŽස11001100…DžLj‫ڍ‬ኄࣷ‫ڞ‬ዂথ๭ऐዐথ๭࿋ୁ
‫ڦ‬ཞօ้क़߸‫׊‬ăമཞօஓႴᄲᆶፁࠕ࿋ຕLjᅜՍথ๭ऐ
ॺ૬AGCժඓԍํ၄CDRă֑ᆩ၎࠲ഗ঴ۙഗ้Ljॺᅱമ
ཞօஓ዁ณྺ16࿋Ǘ֑ᆩ၍Ⴀ঴ۙഗ้Ljॺᅱമཞօஓ዁
ณྺ48࿋ăথ๭ऐ֑ᆩాևAFC้Ljॺᅱമཞօஓ዁ณྺ
64࿋ă
മཞօஓԒཀྵࢫ௬‫ڦ‬฻ᇆጴ܎փՂ֑ᆩ࿮኱ୁՊஓă‫ܔ‬ᇀ
ኄၵጴ܎LjADF7021-N੗থ๴ӗ࿋ᅜฉᆴ‫ڦ܈׊ײ‬Պஓ‫ݛ‬
ӄ ܸ փ ࣷ ই ‫ گ‬Ⴀ ీ ă ᆶ ࠲ ၘ ൧ Lj ൩ ֖ ९ “ᆌ ᆩ Դ ऻ
AN-915”ă
4FSKമཞօஓࢅຕ਍Պஓ
‫ܔ‬ᇀ4FSKLjॺᅱ‫ڦ‬മཞօஓ࿋ఇ๕ྺዘް‫ڦ‬00100010…࿋
Ⴞଚăኄ߲ዘް−3, +3, −3, +3‫ڦࡽޙ‬ଇपႾଚਏᆶ࿮኱ୁ
༬ႠLj੗ሞথ๭ऐዐፌ‫ื༵܈ײٷ‬4FSKമཞօஓ‫ۨࡽޙڦ‬
้Ⴀీࢅຕ਍࣬ްీ૰ăॺᅱമཞօஓ‫܈׊ڦ‬዁ณྺ32࿋
DŽ16߲‫ࡽޙ‬Džă
ࠓॺ4FSK‫ݴ‬ፇ‫ڦ‬ഄ໱և‫้ݴ‬Ljᆌ๑ᆩຕ਍ेඡࢅ/ईᅜࡀ
ሶक़߰DŽස௅8ई16߲‫ࢫࡽޙ‬Džሞ݀พ࿋ୁా֭෇༬ۨ‫ڦ‬
኱ୁೝ࢚‫ࡽޙ‬Ljඓԍ݀พ‫ࡽޙ‬থৎ࿮኱ୁೝ࢚ă
࿮AFC้঴ۙഗೕ୲ဃֶඹֶ
ADF7021-N༵ࠃକැ߅჋ၜLj੗ᆩઠ঴ਦᆯᇀ݀พࢅথ๭
ৗና/TCXO฿ದ໯ᆅഐ‫ڦ‬ೕ୲ဃֶă
্ᆩAFCࢫLj၎࠲ഗ঴ۙഗ੗ఱ๴±0.3 × fDEVDŽfDEVྺFSKೕ
୲ೋֶDž‫ڦాྷݔ‬ೕ୲ဃֶăැೕ୲ဃֶড‫ٷ‬Lj੗ۙኝK
ኵ๑၎࠲ഗ‫े੻ټ‬ԠLj৊ܸ༵ߛೕ୲ඹֶă
Kऺ໙ࠅ๕සူ
‫ړ‬থ๭႑ࡽ‫ت‬ᇀዐೕ୳հഗ‫้ా੻ټ‬Lj၍Ⴀ঴ۙഗ(AFC্
ᆩ)ॽጕጷথ๭႑ࡽೕ୲ဃֶă૩සLj‫ܔ‬ᇀ቞ᆩ‫ = ੻ټ‬9 kHz
‫ڦ‬থ๭႑ࡽLjැ֑ᆩ18.5 kHzዐೕ୳հഗ‫੻ټ‬Lj၍Ⴀ঴ۙ
ഗन੗ᅜ±4.75 kHz‫ڦ‬ဃֶጕጷ႑ࡽLjܸփ༵ࣷߛ࿋ဃֶई
໦฿ଳ௺‫܈‬ă
၎࠲ഗ঴ۙഗࢅ‫ۙگ‬዆ኸຕ
2FSK‫ۙڦ‬዆ኸຕۨᅭྺ
ۙ዆ኸຕড‫้گ‬Lj༵ߛ၎࠲ഗ঴ۙഗ‫ڦ‬६ೕഗ‫੻ټ‬੗ፌ‫ٷ‬
‫ߛ༵܈ײ‬থ๭ऐଳ௺‫܈‬Ⴀీࢅೕ୲ඹֶăැۙ዆ኸຕ‫گ‬ᇀ
0.4Ljॺᅱ๑၎࠲ഗ‫े੻ټ‬ԠLjKऺ໙‫ݛ‬๕සူǖ
࣏ ᆌ ๑ ᆩ ႎ ‫ ڦ‬Kኵ ઠ ዘ ႎ ऺ ໙ स ٪ ഗ 4ዐ ‫ڦ‬
DISCRIMINATOR_BWยዃă཮27՗௽Ljሞ2FSKۙ዆ఇ๕
ူLj‫ۙړ‬዆ኸຕড‫้گ‬Lj੗ཚࡗ๑၎࠲ഗ‫े੻ټ‬Ԡઠ߀฀
ଳ௺‫܈‬ă
AFC֡ፕ
ADF7021-N࣏ኧ‫้ํ׼‬AFC࣍ୟLjᆩઠၩ‫أ‬ᆯᇀ݀พࢅথ
๭ৗና/TCXO฿ದ໯ᆅഐ‫ڦ‬ೕ୲ဃֶăAFC࣍ୟ૧ᆩ၍Ⴀ
६ೕഗఇ੷ઠࠚ໙ೕ୲ဃֶă၍ႠFSK६ೕഗ૧ᆩೝ਩୳
հഗࢅԈஏॠհഗፇࢇઠ‫ܔ‬๼‫؜‬৊ႜ୳հࢅ൱ೝ਩‫ت‬૙Lj
ᅜၩ‫أ‬FSKೕ୲ۙ዆ăሞথ๭ఇ๕ူLjԈஏॠհഗ‫ڦ‬๼‫؜‬
੗ᆩᇀࠚ໙ೝ਩ዐೕೕ୲ă
ADF7021-Nኧ‫׼‬ଇዖAFC‫݆ݛ‬ǖྔևAFCࢅాևAFCă
ྔևAFC
ሞُఇ๕ူLjᆩࢽཚࡗADF7021-N‫ز‬ႜ‫܋‬੨‫ܔ‬ೕ୲႑တ৊
ႜ࣮‫܁‬ժॽᅃ߲ೕ୲ၯኟኵแेᇀၭຕN‫ݴ‬ೕೕ୲ࢇ‫ׯ‬ഗ
-N‫ݴ‬ೕഗă
इ‫ڥ‬ೕ୲႑တ‫ݛڦ‬๕๟‫܁‬ൽ16࿋‫ࡽޙټ‬AFC࣮‫܁‬DŽස“࣮‫܁‬
߭๕”և‫ݴ‬໯ຎDžLjժ๑ᆩူଚࠅ๕ǖ
࣏ ᆌ ๑ ᆩ ႎ ‫ ڦ‬Kኵ ઠ ዘ ႎ ऺ ໙ स ٪ ഗ 4ዐ ‫ڦ‬
DISCRIMINATOR_BWยዃăැӀฉຎ‫ݛ‬๕๑၎࠲ഗ‫੻ټ‬
ेԠLjᅜ༵ߛೕ୲ဃֶඹֶLjཚ‫ࣷ׉‬ሰ‫ׯ‬থ๭ऐଳ௺‫܈‬໦
฿1 dB዁2 dBă
!!!!ೕ୲࣮‫[ ܁‬Hz] = (AFC࣮‫ × ܁‬঴ۙഗ CLK)/218
৑࠶AFC READBACKኵຌᇀ‫ࡽޙټ‬ຕLj‫ڍ‬ሞኟ‫߾׉‬ፕཉॲ
ူ޿ኵྺኟຕăሞுᆶೕ୲ဃֶ‫ڦ‬൧઄ူLjೕ୲࣮‫܁‬ኵ‫ڪ‬
ᇀ100 kHz‫ڦ‬ዐೕೕ୲ă
Rev. 0 | Page 36 of 64
ADF7021-N
ాևAFC
ADF7021-Nኧ‫้ํ׼‬ĂాևĂጲ‫ۯ‬ೕ୲੦዆࣍ୟăሞُఇ
๕ူLjాև੦዆࣍ୟጲ‫॔ۯ‬੦ೕ୲ဃֶժ૧ᆩాևԲ૩ओ
‫)ݴ‬PI*੦዆࣍ୟઠۙবೕ୲ࢇ‫ׯ‬ഗ-N‫ݴ‬ೕഗă
ాևAFC੦዆࣍ୟ֖ຕཚࡗस٪ഗ10ઠ੦዆ăాևAFC࣍
ୟཚࡗॽR10_DB4ยྺ1ઠघऄă࣏ՂႷߵ਍๑ᆩዐ‫ڦ‬ৗ
ናೕ୲ઠ๼෇໫‫ݣ‬Բ૩ဣຕăኄ߲ဣຕሞR10_DB[5:16]ዐ
ยዃLjऺ໙ࠅ๕සူ
⎛ 2 24 × 500 ⎞
⎟
AFC _ SCALING _ FACTOR Round ⎜
⎜ XTAL ⎟
⎝
⎠
‫ ֑ ړ‬ᆩ ా և ई ྔ և AFCၩ ‫ أ‬AFCဃ ֶ ้ Lj ੗ ૧ ᆩ
IF_FILTER_BW࿋)R4_DB[30:31]*ই‫گ‬ዐೕ୳հഗ‫੻ټ‬Ljᅜ
৊ᅃօ߀฀থ๭ऐଳ௺‫܈‬ă
ጲ‫ۯ‬ཞօጴॠ֪)SWD*
ADF7021-N࣏ኧ‫׼‬ཞօईIDጴ܎‫ڦ‬ጲ‫ۯ‬ॠ֪ăᄲघऄُఇ
๕Ljཞօ)ईID*ጴՂႷᇨՊ‫෇ײ‬ADF7021-Năሞথ๭ఇ๕
ူLjُᇨՊ‫ײ‬ጴॽᇑথ๭࿋ୁ৊ႜԲডăඓۨ೅ದᆶၳ
้LjူᅃْRx้ዓஞ؋้ADF7021-Nॽ‫ྔܔ‬ևSWDᆅগ৊
ႜዃ࿋ă
ُࠀీ੗ᆩઠ༵ႝྲ‫ت‬૙ഗᅙॠ֪‫ڟ‬ᅃ߲ᆶၳཚ‫ڢ‬ă໲‫ݣ‬
੻କྲ‫ت‬૙ഗ‫ऺڦ‬໙ᄲ൱ժই‫گ‬କኝ༹ࠀࡼă
ፌ‫ٷ‬AFC‫ྷݔ‬
AFC࣍ୟ‫ڦ‬ፌ‫ٷ‬ೕ୲ၯኟ‫ྷݔ‬੗ሞADF7021-NฉՊ‫ײ‬ă޿
‫ྷݔ‬ཚࡗR10_DB[24:31]ઠยዃăፌ‫ٷ‬AFCၯኟ‫ྷݔ‬๟ኸ
AFCۙၿ‫ྷݔ‬ฉ၌ࢅူ၌‫ڦ‬ೕ୲ֶă૩සLjසࡕፌ‫ٷ‬AFC
ၯኟ‫ྷݔ‬ยྺ10 kHzLjሶAFC੗ሞfLO ± 5 kHz‫ۙాྷݔڦ‬
ኝথ๭ऐLOă
‫ڍ‬๟Lj‫ړ‬ഔᆩRF_DIVIDE_BY_2(R1_DB18)้LjՊ‫ྷݔײ‬३
ӷăᆩࢽᆌ‫ॽړ‬Պ‫ڦײ‬ፌ‫ٷ‬AFC‫ेྷݔ‬Ԡઠ঴ਦኄዖ३ӷ
࿚༶ă
ॺᅱ‫ڦ‬ፌ‫ٷ‬AFCၯኟ‫ྷݔ‬ᆌ≤1.5 × ዐೕ୳հഗ‫੻ټ‬ăසࡕ
ፌ‫ٷ‬ೕ୲ၯኟ‫ྷݔ‬ยྺ>1.5 × ዐೕ୳հഗ‫੻ټ‬Ljዐೕ୳հ
ഗ‫ڦ‬ປ३੗ీࣷই‫گ‬AFC࣍ୟଳ௺‫܈‬ă
SWD႑ࡽ࣏੗ሞᇨՊ‫ڦײ‬ጴবຕాԍ‫ۉߛ׼‬ೝLjܸٗ‫ܔ‬থ
๭‫ݴ‬ፇ৊ႜ‫ׯ‬ኡ‫ت‬૙ăຕ਍‫ݴ‬ፇ‫܈׊‬੗ሞR12_DB[8:15]ా
ยዃă
SWDᆅগጒༀ੗ཚࡗยዃR12_DB[6:7]ઠದዃăR11_DB
[4:5]ᆩઠยዃཞօ/IDጴ‫܈׊ڦ‬Lj‫܈׊‬੗ྺ12Ă16Ă20ई24
࿋ăሞ࣬ް‫ݴ‬ፇ‫ڦ‬ഄᇆև‫ݴ‬೺क़ईሞথ๭ऐ๼෇‫܋‬٪ሞሯ
ำ/࿮႑ࡽ้Lj੗ీࣷ݀ิཞօጴॠ֪‫ٱ‬ဃăॺᅱ֑ᆩ24࿋
ኵLjᅜ؊‫ݴ‬३ณኄᅃ൧઄‫ิ݀ڦ‬ă݀พऐՂႷံ݀พཞօ
ጴবMSBLjࢫ݀พLSBLjᅜ๑থ๭ऐཞօጴবॠ֪ᆘॲԍ
‫׼‬๢‫ܔړ‬ጚă
ᄺ੗ॽဃֶඹֶ֖ຕยዃྺǖጴ‫ٱڦ‬ဃ࿋փ‫ࡗג‬ෙ࿋้Lj
থ๴ᆶၳ೅ದăဃֶඹֶኵሞR11_DB[6:7]ాኸۨă
‫ړ‬AFCഔᆩ൐AFCၯኟ‫ྷݔ‬থৎዐೕ୳հഗ‫้੻ټ‬Ljথ๭
ऐ‫ڦ‬ତ‫ڢ‬ᅞ዆)ACR*Ⴀీ੗ీࣷই‫گ‬ă‫ڍ‬ᆯᇀAFCၯኟ‫ݔ‬
ྷ๟੗Պ‫ڦײ‬Ljᆩࢽ੗ሞၯኟ‫ࢅྷݔ‬ACRႠీኮक़৊ႜൽ
ปă
Rev. 0 | Page 37 of 64
ADF7021-N
ᆌᆩ႑တ
‫گ‬႑ࡽᅼೕ୲DŽkHzDž
ዐೕ୳հഗ‫੻ټ‬ၯጚ!
XTAL
௅ْᅜথ๭ఇ๕ฉ‫้ۉ‬Ljᆌ‫ܔ‬ዐೕ୳հഗ৊ႜၯጚLjᅜၯ
ኟᅺ߾ᅝՎࣅᆅഐ‫୳ࢅ੻ټڦ‬հഗዐ႐ೕ୲ဃֶăཚࡗႀ
෇स٪ഗ5ഔ‫ۯ‬ጲ‫ۯ‬ၯጚࢫLj࿮Ⴔྔև߅ᇨăᆩࢽՂႷߵ
਍‫ܠ‬ዖᅺ໎)සዐೕ୳հഗ‫੻ټ‬Ăথ๭႑ࡽ‫੻ټ‬त࿒‫܈‬Վ
ࣅ*Ljඓۨ๟৊ႜٚၯ࣏๟৛ၯăଇዖၯጚ‫ڦ݆ݛ‬ၳࡕස՗
21໯๖ă
՗21. ዐೕ୳հഗၯጚࡀ߭
1
୳հഗၯጚ‫݆ݛ‬
ዐ႐ೕ୲৛‫܈‬
ٚၯ
৛ၯ
100 kHz ± 2.5 kHz
100 kHz ± 0.6 kHz
1
ၯጚ้क़
(‫ۆ‬႙ኵ)
200 μs
8.2 ms
ၯጚࢫă
ၯጚยዃ!
ዐೕ୳հഗၯጚཚࡗႀ෇स٪ഗ5ժยዃIF_CAL_COARSE࿋
)R5_DB4*ઠഔ‫ۯ‬ăኄዖ‫ݛ‬๕ഔ‫ڦۯ‬๟୳հഗٚၯăසࡕ
IF_FINE_CAL࿋)R6_DB4*ᅙದዃྺߛ‫ۉ‬ೝLjሶٚၯࢫ৊ႜ
৛ၯLj‫ޏ‬ሶၯጚनߢ঳ຐă
ཚࡗႀ෇ഗॲ‫ݛڦ‬๕ഔ‫ࢫۯ‬Ljၯጚጲ‫ۯ‬ኴႜLj࿮Ⴔᆩࢽ߅
ᇨăٚၯ้क़ྺ200 μsLj৛ၯ้क़ྺຕྲ௱Ljഄक़փᆌ‫ݡ‬
࿚ ADF7021-Nă ዐ ೕ ୳ հ ഗ ၯ ጚ இ ड ᄲ ൱ ॽ
IF_FILTER_DIVIDER࿋)R5_DB[5:13]*ยዃසူ
IF_CAL_LOWER_TONE_DIVIDE × 2
ߛ႑ࡽᅼೕ୲DŽkHzDž
XTAL
IF_CAL_UPPER_TONE_DIVIDE × 2
ॺᅱස՗22໯ຎઠ‫ݣ‬ዃߛ‫گ‬႑ࡽᅼă
՗22. ዐೕ୳հഗ৛ၯ႑ࡽᅼೕ୲
ዐೕ୳հഗ‫!੻ټ‬
‫گ‬႑ࡽᅼೕ୲!!
ߛᅼೕೕ୲
9 kHz
13.5 kHz
18.5 kHz
78.1 kHz
79.4 kHz
78.1 kHz
116.3 kHz
116.3 kHz
119 kHz
ᅺྺ୳հഗປ३୼ྲփ‫׬ܔ‬Lj໯ᅜՂႷ๑୳հഗዐ႐ೕ୲
ณଉ฿ۙLjᅜՍሞߛ‫گ‬ତ‫ࠃ༵تڢ‬बࢭ‫ڪ‬ଉ‫ڦ‬ᅞ዆ă՗22
໯๖‫ڦ‬ၯጚ႑ࡽᅼ๑ዐೕ୳հഗዐ႐ೕ୲ณଉኟ฿ۙă
గၵᆌᆩዐ੗ీփႴᄲ฿ۙLjᆩࢽ੗ీထྭॽዐೕ୳հഗ
‫ڦ‬ዐ႐ೕ୲৛ඓࠦۨሞ100 kHzăኄ้ᆩࢽ੗Ⴊ߀՗22ዐ‫ڦ‬
႑ࡽᅼೕ୲ᅜۙኝ৛ၯ঳ࡕă
ၯጚ໙݆ۙኝ୳հഗዐ႐ೕ୲ժሞၯጚ೺क़֪ଉRSSI 10ْă
ۙኝेRSSI֪ଉ‫้ڦ‬क़ᆯᅜူࠅ๕൱‫؜‬
XTAL Hz 50 kHz
IF _ FILTER _ DIVIDER
IF Tone Calibration Time ኍ‫ܔ‬ዐೕ୳հഗዜྷ‫ڦ‬༬ۨ฿ۙLj৛ၯ๑ᆩଇ߲ాևิ‫ׯ‬
‫ڦ‬႑ࡽᅼăዐೕ୳հഗࣷ๑ኄଇ߲႑ࡽᅼປ३Ljປ३຤ೝ
੗๑ᆩRSSI֪ଉă୳հഗዐ႐ೕ୲ঢ়ࡗۙবLj๑ଇ߲႑ࡽ
ᅼ‫ڪ‬ଉປ३ă඗ࢫዘႎ֪ଉଇ߲ፌॅ႑ࡽᅼ‫ڦ‬ປ३ăፌ‫ܠ‬
੗‫׼‬Ⴤ֪ଉ10ْRSSILjഄक़ၯጚ໙݆ॽዐೕ୳հഗ‫ڦ‬ዐ႐
ೕ୲ยሞ100 kHz‫ڦ‬ฉူ0.6 kHz‫ాྷݔ‬ă
ኄၵ႑ࡽᅼ‫ڦ‬ೕ୲ཚࡗIF_CAL_LOWER_ TONE_DIVIDE
)R6_DB[5:12]*ࢅIF_CAL_UPPER_TONE_ DIVIDE)R6_DB
[13:20]*࿋ઠยዃLjසူଚࠅ๕໯ຎǖ
IF_CAL_DWELL_TIME
SEQ CLK
ॺᅱዐೕ႑ࡽᅼၯጚ้क़ྺ዁ณ911!̂tăዐೕ୳հഗ৛ၯ
‫ڦ‬ጺ้क़ᆯᅜူࠅ๕൱‫!؜‬
ዐೕ୳հഗ৛ၯ้क़!>!ዐೕ႑ࡽᅼၯጚ้क़!ġ!21!
ࢆ้Ⴔᄲٚၯ!
ॺᅱ௅ْᅜথ๭ఇ๕ฉ‫้ۉ‬৊ႜᅃْٚၯăኄዖၯጚᅃӯ
Ⴔᄲ311!̂t้क़ăNVYPVUฉ‫ڦ‬GJMUFS`DBM`
DPNQMFUF႑ࡽ੗ᆩᇀ॔੦୳հഗၯጚ‫׼‬Ⴤ้क़ईཚኪ
ၯጚ঳ຐăၯጚ೺क़փᆌ‫ݡ‬࿚BEG8132.Oă!
Rev. 0 | Page 38 of 64
ADF7021-N
ࢆ้Ⴔᄲ৛ၯ!
LNA/PA೅ದ
ැথ๭႑ࡽ‫׉ݥ੻ټ‬থৎዐೕ୳հഗ‫੻ټ‬Lj௅ْഗॲᅜথ
๭ఇ๕ฉ‫้ۉ‬Ljॺᅱ৊ႜᅃْ৛ၯă
ᄲ๑ADF7021-Nሞଳ௺‫܈‬Ă݀พࠀ୲ࢅࠀࡼ‫ݛ‬௬՗၄ፌॅ
ႠీLjRF๼෇ࢅ๼‫܋؜‬੨ՂႷᇑཀ၍ፆੇኟඓ೅ದă‫ܔ‬ᇀ
‫ׯ‬Ԩ௺ߌ႙ᆌᆩLjADF7021-NದԢᅃ߲ాևRx/Txਸ࠲Lj
ᅜ‫ݛ‬Ս๑ᆩ०‫ڦڇ‬ፇࢇ๕࿮ᇸPA/LNA೅ದྪஏăईኁᄺ
੗ᅜ๑ᆩᅃ߲ྔևRx/Txਸ࠲DŽසADG919DžLjࢫኁ੗୼ྲ
༵ߛথ๭ऐଳ௺‫܈‬ժই‫݀گ‬พऐࠀࡼă
OBW + ٚၯՎࣅ > IF_FILTER_BW
ഄዐǖ OBWྺ݀พ႑ࡽ቞ᆩ‫ڦ੻ټ‬99ǁăٚၯՎࣅྺ2.5
kHzăIF_FILTER_BWEᆯR4_DB[30:31]ยዃă
MUXOUTฉ‫ڦ‬FILTER_CAL_COMPLETE႑ࡽ)ᆯR0_DB
[29:31]ยዃ*੗ᆩᇀ॔੦୳հഗၯጚ‫׼‬Ⴤ้क़ईཚኪၯጚ঳
ຐă୳հഗٚၯሞ୳հഗ৛ၯമጲ‫ۯ‬ኴႜă
ࢆ้Ⴔᄲ‫ْڇ‬৛ၯ!
ሞথ๭ऐႴᄲ‫܌‬೺ా‫ْܠ‬ฉ‫ڦۉ‬ᆌᆩዐLjኻႴሞথ๭ऐ‫؛‬
ْฉ‫้ۉ‬৊ႜᅃْႠ৛ၯन੗ă
‫ ْ ؛‬ٚ ၯ ࢅ ৛ ၯ ࢫ Lj ੗ ཚ ࡗ ‫ ز‬ႜ থ ੨ ๑ ᆩ
FILTER_CAL_READBACK঳ࡕ‫ܔ‬৛ၯ঳ࡕ৊ႜ࣮‫֖)܁‬९
“୳հഗ‫੻ټ‬ၯጚ࣮‫”܁‬և‫*ݴ‬ăࢫჄᅜথ๭ఇ๕ฉ‫้ۉ‬Lj૧
ᆩമْ୳հഗ৛ၯ঳ࡕ๮‫ۙۯ‬ব୳հഗă๮‫ۙۯ‬ব๟๑ᆩ
IF_FILTER_ADJUST࿋)R5_DB[14:19]*ኴႜ‫ڦ‬ă
ాևRx/Txਸ࠲
ሞ཮50၂๖‫ڦ‬ದዃዐLjADF7021-NದԢᅃ߲ాևRx/Txਸ
࠲ᆩᇀፇࢇ๕LNA/PA೅ದྪஏăኄ๟EVAL-ADF7021NDBxxೠࠚӱฉ๑ᆩ‫ڦ‬ದዃăాևRx/Txਸ࠲ࣷ๑Ⴀీই
‫گ‬1 dB዁2 dBLj‫ܔ‬ᇀ‫ܠٷ‬ຕᆌᆩܸჾLjኄዖ୼ྲ‫ڦ‬Ⴀీူ
ই๟੗ᅜথ๴‫ڦ‬Ljᆩࢽ੗ᅜ؊‫ࣩ݀ݴ‬ኄዖ঴ਦ‫ݛ‬ӄ‫ׯڦ‬Ԩ
ᆫ๞ăยऺፇࢇ๕೅ದྪஏ้ՂႷց‫ྪ׋‬ஏሞTxࢅRxୟ০
ዐ༵ࠃ‫ੇۉڦ‬Ljཞ้ॽRx/Txਸ࠲‫ڦ‬ጒༀ੊୯ሞాă
VBAT
C1
L1
PA_OUT
PA
ANTENNA
ኄዖ‫݆ݛ‬ኻ๢ᆩᇀ‫܌‬೺ాᅜথ๭ఇ๕૶Ⴤฉ‫ڦۉ‬൧઄Ljഄ
क़࿒‫܈‬Վࣅ࢔ၭ)<15°C*ă
ZOPT_PA
OPTIONAL
BPF OR LPF
ZIN_RFIN
CA
RFIN
LA
ዐೕ୳հഗ࿒‫܈‬Վࣅ!
ၯጚ้Lj୳հഗዐ႐ೕ୲੗ీໜ࿒‫ܸ܈‬Վࣅăසࡕ
ADF7021-NᆩᇀႴᄲ‫׊‬೺ԍ‫׼‬থ๭ఇ๕‫ڦ‬ᆌᆩLjᆩࢽՂႷ
੊୯‫୳ڟ‬հഗዐ႐ೕ୲ໜ࿒‫ڦ܈‬Վࣅ൧઄ăᅃӯ൧઄ူLj
࿒‫܈‬௅Վࣅ20°CLjೕ୲ࣷՎࣅ1 kHzLjᄺ৽๟ຫLjසࡕሞ
25°C৊ႜ୳հഗٚၯࢅ৛ၯLj‫؛‬๔ፌ‫ٷ‬ဃֶྺ±0.5 kHzLj
ሞኝ߲࿒‫)ాྷݔ܈‬−40°C዁+85°C*Lj୳հഗዐ႐ೕ୲੗ీ
ፌ‫ܠ‬Վࣅ±3.25 kHzLjᅺُጺဃֶྺ±3.75 kHză
සࡕথ๭႑ࡽ቞ᆩ‫੻ټ‬ᇺၭᇀዐೕ୳հഗ‫੻ټ‬Ljሶሞ߾ፕ
࿒‫୳ాྷݔ܈‬հഗዐ႐ೕ୲Վࣅ੗ᅜࢮ୼փऺăईኁLjස
ࡕዐೕ୳հഗ‫੻ټ‬փࠕ੻Ljవᅜ‫׶‬๴࿒‫܈‬ᆅഐ‫ڦ‬ՎࣅLjሶ
੗৊ႜዜ೺୳հഗၯጚLjईኁ੗๑ᆩೌా࿒‫ߌد܈‬ഗLjཚ
ࡗ॔੦࿒‫܈‬Վࣅઠඓۨࢆ้Ⴔᄲ৊ႜ୳հഗၯጚă
LNA
RFINB
ZIN_RFIN
CB
ADF7021-N
07246-022
ᅜူ൧઄Ⴔᄲ৛ၯ
཮50. ਏᆶాևRx/Txਸ࠲‫ڦ‬ADF7021-N
޿ୁ‫ײ‬ᅃӯᄲ൱‫پ۞ْܠ‬Lj኱዁‫ڟٳ‬੗থ๴‫ڦ‬ೝ࢚‫ۅ‬ă
ADF7021-Nీ‫ํࠀׯޏ‬แፇࢇ๕LNA/PA೅ದྪஏLj࠲॰
ൽਦᇀీ‫ྺޏ‬PCB༵ࠃ৛ඓ‫ۉ‬ഘఇ႙ă࠲ᇀኄᅃ‫ۅ‬Ljഽଜ
ॺᅱ๑ᆩࢇ๢‫ڦ‬CAD෉ॲԈăྺ‫ݛ‬ՍᆩࢽLjADF7021-Nໜ
޹ᅃ߲ၭ؅٫֖੊ยऺLjഄዐԈઔ೅ದࢅၿհ୳հഗᇮ
ॲăྺ৑ଉই‫ׯگ‬ԨLj޿ยऺ࿋ᇀ2֫PCBฉăᆶ࠲Gerber
࿔ॲLj൩‫ݡ‬࿚www.analog.comă
Rev. 0 | Page 39 of 64
ADF7021-N
ྔևRx/Txਸ࠲
཮51໯๖‫ڦ‬ದዃ֑ᆩକྔևRx/Txਸ࠲ăኄዖದዃሎႹሞ
݀พࢅথ๭ୟ০ዐ‫ܔ‬೅ದࢅ୳հഗྪஏ‫܀‬૬৊ႜᆫࣅăᅺ
ُLj၎Բ๑ᆩాևRx/Txਸ࠲Ljኄዖ‫߸݆ݛ‬ଳऄLjยऺ߸
ඹᅟăPAཚࡗ‫ߌۉ‬L1ઠೋዃLjܸC1ఇ੷ፆ෗኱ୁ‫ୁۉ‬ă
L1ࢅC1ᅃཞࠓ‫ׯ‬೅ದྪஏLjॽᇸፆੇገࣅྺፌॅPA޶ሜ
ፆੇZOPT_PAă
VBAT
OPTIONAL
LPF
C1
PA_OUT
ZOPT_PA
ZIN_RFIN
OPTIONAL CA
BPF
(SAW)
RFIN
LA
LNA
RFINB
ZIN_RFIN
CB
ADF7021-N
07246-021
૧ᆩాևRFᇸ৊ႜၯጚ
ADG919
Rx/Tx – SELECT
৥ၟᅞ዆ၯጚ!
ADF7021-Nా‫ڦ‬৥ၟཚ‫ڢ‬Բ໯Ⴔ႑ࡽ‫گ‬200 kHză‫ܠ‬၎୳հ
ഗ૧ᆩ‫׬ܔݥ‬ೕ୲ၚᆌઠᅞ዆ُ৥ၟăথ๭ऐ‫ڦ‬৥ၟᅞ዆
ႠీൽਦᇀIࢅQ႑ࡽሞ‫܈ޗ‬ฉ‫ڦ‬೅ದ‫܈ײ‬ᅜतଇኁक़‫ڦ‬ኟ
঍೅ದ‫)܈ײ‬नଇኁኮक़໯‫ׯ‬ঙ‫܈‬থৎ90°‫*܈ײڦ‬ă࿄ၯጚ
‫ڦ‬৥ၟᅞ዆Ⴀీሀྺ29 dB)ሞ450 MHz้*ă‫ڍ‬๟Ljཚࡗቴ
‫ڟ‬ፌॅI/Qሺᅮࢅ၎࿋ۙኝยዃLj੗ॽُႠీ༵ߛ‫ٳܠ‬20
dBă
L1
PA
ANTENNA
ߵ਍ཀ၍ದዃ‫ڦ‬փཞLjᆩࢽሞPA๼‫܋؜‬੗ీႴᄲᅃ߲ၿհ
୳հഗᅜ஢ፁአު၎࠲݆ࡀ‫ܔ‬ᇀሗො݀พ‫ڦ‬ᄲ൱ă޿ၿհ
୳հഗ੗֑ᆩ‫ݴ‬૬LC piईTप୳հഗ‫ܠڪ‬ዖ‫ݛ‬๕ํแăሞ
Rxୟ০ాཁे‫ټ‬ཚ୳հഗ੗༵ߛADF7021-N‫ྔټܔ‬ഽ߅ඡ
‫ੇڦ‬ඡ‫܈‬ăईኁLjᄺ੗჋ስഄዐᅃዖሺഽ၍Ⴀ‫܈‬ఇ๕ઠ༵
ߛADF7021-Nፆ෗ႠీLjස՗15໯๖ă
཮51. ਏᆶྔևRx/Txਸ࠲‫ڦ‬ADF7021-N
ZOPT_PAൽਦᇀ߳ዖᅺ໎Ljස໯Ⴔ๼‫୲ࠀ؜‬Ăೕ୲‫ྷݔ‬Ă
‫ۉ‬ᇸ‫ۉ‬უ‫ྷݔ‬त࿒‫ྷݔ܈‬ă჋ስ๢‫ڦړ‬ZOPT_PAᆶዺᇀ؊
‫ݴ‬ই‫گ‬ᆌᆩዐ‫ڦ‬Tx‫ୁۉ‬ၩࡼăᆌᆩԴऻAN-764ࢅAN-859
Ԉࡤକᅃဣଚ‫ۆ‬႙ཉॲူ‫ڦ‬Z OPT _PAኵă‫ڍ‬ሞ༬ۨཉॲ
ူLjॺᅱཚࡗ޶ሜഡᆅ֪ଉઠइ‫ڥ‬๢‫ڦړ‬ZOPT_PAኵă
LNA࠲܏ࢫLjᅃ߲ೌాิ‫ׯ‬Ă‫ۉگ‬ೝRF႑ࡽᅼॽแे‫ंڟ‬
ೕഗ๼෇‫܋‬ă‫ړ‬ዐೕ୳հഗ‫ڦ‬৥ၟᅞ዆๑႑ࡽᅼປ३้Lj
LOࣷঢ়ࡗۙবLj๑޿႑ࡽᅼሞ৥ၟೕ୲‫ူت‬ইă඗ࢫ૧ᆩ
RSSI࣮‫܁‬ઠ֪ଉُ႑ࡽᅼ‫୲ࠀڦ‬຤ೝăۙবI/Qሺᅮࢅ၎࿋
ۙኝDAC)R5_DB[20:31*ժዘႎ֪ଉRSSIăኄ߲ࡗ‫ࣷײ‬ᅃ኱
ዘްLj኱‫ڟ‬ቴ‫ڟ‬੗༵ࠃፌ‫گ‬RSSI࣮‫܁‬຤ೝ‫ڦ‬ፌॅሺᅮࢅ၎
࿋ۙኝኵLj๑থ๭ऐ‫ڦ‬৥ၟᅞ዆Ⴀీ‫ڟٳ‬ፌ‫ٷ‬ă
ᆯᇀֶ‫ݴ‬LNA๼෇‫ڦ‬ᇱᅺLjLNA೅ದྪஏ‫ڦ‬ยऺՂႷీࠕ
ཞ้༵ࠃ‫܋ڇ‬ገֶ‫ݴ‬Վ࣑ࢅްሗ‫᧨ࠌڦ‬ፆੇ೅ದă཮51၂
๖କᇮॲຕፌณĂ੗஢ፁฉຎᄲ൱‫ྪڦ‬ஏದዃLjഄዐԈઔ
ଇ߲‫ۉ‬ඹࢅᅃ߲‫ߌۉ‬ă
Rev. 0 | Page 40 of 64
ADF7021-N
ADF7021-N
RFIN
LNA
GAIN ADJUST
RFINB
MUX
INTERNAL
SIGNAL
SOURCE
POLYPHASE
IF FILTER
RSSI/
LOG AMP
7-BIT ADC
PHASE ADJUST
I
Q
FROM LO
SERIAL
INTERFACE
4
PHASE ADJUST
REGISTER 5
RSSI READBACK
4
GAIN ADJUST
REGISTER 5
MICROCONTROLLER
07246-072
I/Q GAIN/PHASE ADJUST AND
RSSI MEASUREMENT
ALGORITHM
཮52. ૧ᆩాևၯጚᇸࢅྲ੦዆ഗ‫ڦ‬৥ၟᅞ዆ၯጚ
૧ᆩྔևRFᇸ৊ႜၯጚ!
࣏੗૧ᆩྔևRFᇸઠํแIRၯጚăIRၯጚ‫ײ‬ႾࢅాևRFᇸ
๑ᆩ‫ڦ‬ၯጚ‫ײ‬Ⴞ၎ཞLjփཞኮ‫ت‬ሞᇀRF႑ࡽᅼแे‫ڟ‬LNA
๼෇‫܋‬ă
ADF7021-N‫ۉ‬ᇸ‫ۉ‬უ‫ڦ‬Վࣅփᆖၚၯጚ঳ࡕ‫ڦ‬ᆶၳႠă‫ڍ‬
࿒‫܈‬Վࣅࣷ‫ܔ‬঳ࡕׂิᅃۨᆖၚă཮53၂๖କ࿒‫ྺ܈‬−
40°CĂ+25°Cࢅ+85°C้Lj‫؛‬๔ၯጚࢫ৥ၟᅞ዆ໜ࿒‫܈‬Վࣅ
‫ۆڦ‬႙༬Ⴀ൸၍ăADF7021-Nฉ‫ాڦ‬և࿒‫ߌد܈‬ഗ੗ᆩઠ
ਦۨ๟‫ޏ‬Ⴔᄲዘႎ৊ႜᅃْIRၯጚă
60
ၯጚ‫ײ‬Ⴞࢅยዃ!
ᄲഔᆩాևRFᇸLjIR_CAL_SOURCE_DRIVE_LEVEL࿋
(R6_DB[28:29])ᆌยྺፌߛ຤ೝăLNAᆌยྺፌ‫گ‬ሺᅮย
ዃLj֑ᆩాևᇸ้Ljᆌ্ᆩAGCăଷྔᄺ੗֑ᆩྔևRF
ᇸă
50
IMAGE REJECTION (dB)
IRၯጚ໙݆ᆯADIࠅິ༵ࠃLjएᇀ੗ሞྔևྲ‫ت‬૙ഗईྲ
੦዆ഗాํแ‫ްگڦ‬ሗ‫܈‬Ă2Dᆫࣅ໙݆ă
CAL AT +25°C
၎࿋ۙኝ‫܈ޗ‬૧ᆩIR_PHASE_ADJUST_MAG࿋(R5_DB
[20:23])ઠยዃăُၯኟ੗ᆌᆩᇀIཚ‫ڢ‬ईQཚ‫ڢ‬Ljਏ༹๫
IR_PHASE_ADJUST_DIRECTION࿋(R5_DB24)‫ڦ‬ኵܸۨă
I/Qሺ ᅮ ‫ ܈ ޗ‬ཚ ࡗ IR_GAIN_ADJUST_MAG࿋ (R5_DB
[25:29])ઠۙবăُၯኟ੗ᆌᆩᇀIईQཚ‫ڢ‬Ljਏ༹ൽਦᇀ
IR_GAIN_ADJUST_I/Q࿋ (R5_DB30)‫ ڦ‬ኵ Lj
IR_GAIN_ADJUST_UP/DN࿋(R5_DB31)ሶᆩᇀยዃሺᅮۙ
ኝۨᅭ‫ڦ‬๟ሺᅮۙኝ࣏๟ປ३ۙኝă
Rev. 0 | Page 41 of 64
40
CAL AT +85°C
CAL AT –40°C
30
VDD = 3.0V
IF BW = 25kHz
20
10
WANTED SIGNAL:
RF FREQ = 430MHz
MODULATION = 2FSK
DATA RATE = 9.6kbps,
PRBS9
fDEV = 4kHz
LEVEL= –100dBm
0
–60
–40
–20
0
INTERFERER SIGNAL:
RF FREQ = 429.8MHz
MODULATION = 2FSK
DATA RATE = 9.6kbps,
PRBS11
fDEV = 4kHz
20
40
60
80
TEMPERATURE (°C)
཮53. ࿒‫ྺ܈‬−40°CĂ+25°Cࢅ+85°C้Lj
‫؛‬๔ၯጚࢫ৥ၟᅞ዆ໜ࿒‫ڦ܈‬Վࣅ
100
07246-067
๑ᆩాևRFᇸࢫLjᆩᇀ৥ၟၯጚ‫ڦ‬RFೕ୲ॽਏᆶ੗Պ‫ײ‬༬
ႠLjժ൐๟एጚೕ୲‫ڦ‬ആຕԠă
ADF7021-N
‫ݴ‬ፇ঳ࠓतՊஓ
༬ۨᆌᆩႴ൱Ljසยዃཞօጴবॠ֪ईഔᆩAFCăٗTxՎ
‫ׯ‬RxईٗRxՎ‫ׯ‬Tx้LjᆩࢽႴᄲൎ࣑Tx/Rx࿋Ljժ൐ৈ‫ܔ‬
स٪ഗ0ኴႜႀ෇֡ፕLjᅜ100 kHz‫ۙ܈ޗڦ‬ኝLOă
PREAMBLE
SYNC
WORD
ID
FIELD
DATA FIELD
CRC
07246-023
཮54၂๖କॺᅱᆩᇀADF7021-N‫ݴڦ‬ፇ঳ࠓă
཮54. ݀พၹᅱ‫ۆڦ‬႙߭๕
ᆶ࠲߳ዖۙ዆‫ݛ‬ӄ໯Ⴔ‫ڦ‬മཞօஓ঳ࠓत‫ڦ܈׊‬႑တLj൩
֖९“থ๭ऐยዃ”և‫ݴ‬ă
‫؛‬๔ฉ‫ࢫۉ‬Պ‫!ײ‬
՗23ଚ‫؜‬କઙߛCE‫ۉ‬ೝࢫLjTxईRxఇ๕ူยዃADF7021-N
໯Ⴔ‫ڦ‬ፌ‫گ‬ႀ෇ْຕă࣏੗ႀ෇ഄ໱स٪ഗᅜ๑ഗॲ๢ᆌ
՗23. Tx/Rxยዃ‫ڦ‬ፌ‫گ‬स٪ഗႀ෇ᄲ൱
ఇ๕
Tx
Rx
Tx ዁ Rx त Rx ዁ Tx
Reg 1
Reg 1
Reg 0
Reg 3
Reg 3
स٪ഗ
Reg 0
Reg 0
Reg 2
Reg 5
Reg 4
ॺᅱ‫݀ڦ‬พࢅথ๭Պ‫ײ‬Ⴞଚ‫ݴ‬՚ස཮55ࢅ56໯๖ă཮ዐ၂
๖କTCXOࢅXTALएጚᇸฉ‫ײۉ‬Ⴞ‫ֶڦ‬՚ă
Rev. 0 | Page 42 of 64
ADF7021-N
TCXO
REFERENCE
XTAL
REFERENCE
POWER-DOWN
CE LOW
CE HIGH
WAIT 10μs + 1ms
(REGULATOR POWER-UP + TYPICAL XTAL SETTLING)
CE HIGH
WAIT 10μs (REGULATOR POWER-UP)
WRITE TO REGISTER 1 (TURNS ON VCO)
WAIT 0.7ms (TYPICAL VCO SETTLING)
WRITE TO REGISTER 3 (TURNS ON Tx/Rx CLOCKS)
WRITE TO REGISTER 0 (TURNS ON PLL)
WAIT 40μs (TYPICAL PLL SETTLING)
WRITE TO REGISTER 2 (TURNS ON PA)
WAIT FOR PA TO RAMP UP (ONLY IF PA RAMP ENABLED)
Tx MODE
WAIT FOR Tx LATENCY NUMBER OF BITS
(REFER TO TABLE 12)
WRITE TO REGISTER 2 (TURNS OFF PA)
WAIT FOR PA TO RAMP DOWN
07246-086
CE LOW
POWER-DOWN
OPTIONAL. ONLY NECESSARY IF PA
RAMP DOWN IS REQUIRED.
཮55. ݀พఇ๕ฉ‫ۉ‬Ⴞଚ
Rev. 0 | Page 43 of 64
ADF7021-N
TCXO
REFERENCE
XTAL
REFERENCE
POWER-DOWN
CE LOW
CE HIGH
WAIT 10μs + 1ms
(REGULATOR POWER-UP + TYPICAL XTAL SETTLING)
CE HIGH
WAIT 10μs (REGULATOR POWER-UP)
WRITE TO REGISTER 1 (TURNS ON VCO)
WAIT 0.7ms (TYPICAL VCO SETTLING)
WRITE TO REGISTER 3 (TURNS ON Tx/Rx CLOCKS)
WRITE TO REGISTER 6 (SETS UP IF FILTER CALIBRATION)
OPTIONAL:
ONLY NECESSARY IF
IF FILTER FINE CAL IS REQUIRED.
WRITE TO REGISTER 5 (STARTS IF FILTER CALIBRATION)
WAIT 0.2ms (COARSE CAL) OR WAIT 8.2ms
(COARSE CALIBRATION + FINE CALIBRATION)
WRITE TO REGISTER 11 (SET UP SWD)
WRITE TO REGISTER 12 (ENABLE SWD)
OPTIONAL:
ONLY NECESSARY IF
SWD IS REQUIRED.
WRITE TO REGISTER 0 (TURNS ON PLL)
WAIT 40μs (TYPICAL PLL SETTLING)
WRITE TO REGISTER 4 (TURNS ON DEMOD)
WRITE TO REGISTER 10 (TURNS ON AFC)
OPTIONAL:
ONLY NECESSARY IF
AFC IS REQUIRED.
Rx MODE
07246-087
CE LOW
POWER-DOWN
OPTIONAL.
཮56. থ๭ఇ๕ฉ‫ۉ‬Ⴞଚ
Rev. 0 | Page 44 of 64
ADF7021-N
ᆌᆩ‫ۉ‬ୟ!
ᆶ࠲ॺᅱ‫ڦ‬ᇮॲ֖ຕLj൩‫ݡ‬࿚ADF7021-Nׂ೗ᄻLjֱੂ
ADF7021-Nೠࠚӱຕ਍๮֩ࢅAN-859ᆌᆩԴऻă൩ჹ߭ፏ
თ֖੊ยऺ཮ᅜඓԍሞ቏‫ټ‬ᆌᆩዐइ‫ڥ‬ፌ‫؜‬෥‫ڦ‬Ⴀీă
ADF7021-NኻႴटณ‫ྔڦ‬ևᇮॲन੗߾ፕă཮57໯๖ྺॺ
ᅱ‫ڦ‬ᆌᆩ‫ۉ‬ୟăጀᅪLjྺ०௽ഐ९Lj཮ዐ࿄၂๖‫ۉ‬ᇸ঴᳘
ࢅۙবഗ‫ۉ‬ඹă
LOOP FILTER
VDD
TCXO
EXT VCO L*
CVCO
CAP
REFERENCE
4
RFOUT
5
RFGND
6
RFIN
37
38
OSC2
39
OSC1
41
40
VDD3
CREG3
42
CPOUT
44
L2
43
VDD
45
46
L1
47
SWD 33
VDD2
32
ADCIN 30
RFINB
8
RLNA
GND2
29
9
VDD4
SCLK
28
10
RSET
SREAD
SDATA
CREG4
SLE
25
TO
MICROCONTROLLER
CONFIGURATION
INTERFACE
CE
TEST_A
27
26
24
23
FILT_Q
GND4
FILT_Q
GND4
22
21
20
FILT_I
19
MIX_Q
FILT_I
18
17
13
RLNA
RESISTOR
MIX_Q
GND4
MIX_I
12
VDD
CREG2 31
ADF7021-N
7
11
TO
MICROCONTROLLER
Tx/Rx SIGNAL
INTERFACE
TxRxDATA 34
16
VDD
VDD1
MIX_I
T-STAGE LC
FILTER
3
15
VDD
CLKOUT 36
TxRxCLK 35
VCOIN
CREG1
14
ANTENNA
CONNECTION
2
MUXOUT
1
MATCHING
GND
VDD
GND1
CVCO
48
VDD
RSET
RESISTOR
07246-084
*փ֑ᆩྔև‫ߌۉ‬VCO้Ljᆅগ44ࢅ46੗ԍ‫ޝ׼‬੣ă
ጀ๥
1.
ᆅগ[13:18]Ă[20:21]ࢅ23ຌᇀ֪๬ᆅগLjሞኟ‫߾׉‬ፕዐփ๑ᆩă
CHIP ENABLE
TO MICROCONTROLLER
཮57. ‫ۆ‬႙ᆌᆩ‫ۉ‬ୟDŽۙবഗ‫ۉ‬ඹࢅ‫ۉ‬ᇸ঴᳘࿄၂๖Dž
Rev. 0 | Page 45 of 64
ADF7021-N
‫ز‬ႜথ੨
‫ز‬ႜথ੨ሎႹᆩࢽ૧ᆩෙ၍๕থ੨)SCLKĂSDATAࢅSLE*
‫ܔ‬16/32࿋स٪ഗ৊ႜՊ‫ײ‬ă‫ز‬ႜথ੨ᆯᅃ߲‫ۉ‬ೝገ࣑ഗĂ
ᅃ ߲ 32࿋ ᅎ ࿋ स ٪ ഗ ࢅ 16߲ ໮ ٪ ഗ ፇ ‫ ׯ‬ă ႑ ࡽ ᆌ ग़ ඹ
CMOSă‫ز‬ႜথ੨ᆯۙবഗࠃ‫ۉ‬LjᅺُCE‫ۉگװ‬ೝ้Lj‫ز‬
ႜথ੨փ߾ፕă
AFC࣮‫܁‬
ሞ၍Ⴀ঴ۙഗई၎࠲ഗ঴ۙഗघऄ‫ڦ‬൧઄ူLjAFC࣮‫܁‬ৈ
ሞথ๭FSK႑ࡽ೺क़ᆶၳăAFC࣮‫܁‬ኵ֑ᆩ‫ࡽޙټ‬16࿋ኝ
ຕ߭๕)Ԉࡤ࿋RV1዁RV16*ժᅈ਍ူଚࠅ๕৊ႜ໫‫ݣ‬ǖ
ຕ਍ሞ௅้߲ዓ)SCLK*‫ڦ‬ฉืᄂᅜMSBᆫံ‫ݛ‬๕ደ้߲ዓ
๼෇स٪ഗăຕ਍ሞSLEฉืᄂ‫د‬๼‫ڟ‬16߲໮٪ഗዐ‫ڦ‬ᅃ
߲ăణՔ໮٪ഗᆯ຺߲੦዆࿋)C4዁C1*‫ڦ‬ኵਦۨǗन཮2
‫ڹ‬ևٗDB3዁DB0‫຺߲ڦ‬LSBăຕ਍࣏੗ሞSREADᆅগฉ࣮
‫܁‬ă
ሞுᆶೕ୲ဃֶ‫ڦ‬൧઄ူLjFREQ RB‫ڪ‬ᇀ100 kHz‫ڦ‬ዐೕೕ
୲ăጀᅪLjྺକඟAFC࣮‫ิׂ܁‬ᆶၳ঳ࡕLjူՎೕ๼෇႑
ࡽՂႷ‫ت‬ᇀఇెዐೕ୳հഗ‫੻ټ‬ኮྔă๼෇႑ࡽ‫ۉ‬ೝড‫گ‬
้Lj੗ཚࡗ൱ೝ਩ઠ३ณ࣮‫܁‬ኵհ‫ۯ‬ă
FREQ RB [Hz] = (AFC_READBACK × DEMOD CLK)/218
RSSI࣮‫܁‬
࣮‫߭܁‬๕
࣮‫܁‬ጴ߭๕ස཮58໯๖ă໲ԈࡤRSSIप႑တ(࿋RV1዁࿋
RV7)Ă‫୳ୁۉ‬հഗሺᅮ(FG1ĂFG2)ࢅ‫ୁۉ‬LNAሺᅮ(LG1Ă
LG2)ยዃă୳հഗࢅLNAሺᅮᅈ਍“स٪ഗ9—AGCस٪ഗ”
և‫ݴ‬ዐ‫ۨڦ‬ᅭ৊ႜՊஓă႑ࡽ‫ۉ‬ೝ‫گ‬ᇀ100
dBm้Lj‫ܔ‬
RSSI֪ଉኵ൱ೝ਩੗༵ߛ৛‫܈‬ăසRSSI/AGCև‫ݴ‬໯ຎLj੗
ٗRSSI࣮‫܁‬ኵዐ໙‫؜‬๼෇ࠀ୲ă
࣮‫֡܁‬ፕཚࡗၠ࣮‫܁‬स٪ഗႀ෇ᆶၳ੦዆ጴժഔᆩREADBACK࿋)R7_DB8 = 1*ઠഔ‫ۯ‬ă࣮‫܁‬੗ሞᆩSLE႑ࡽ໮٪੦
዆ጴࢫਸ๔ăSLEՂႷሞ‫؜܁‬ຕ਍้ԍ‫ۉߛ׼‬ೝăස཮58
໯๖LjSCLKᆅগฉ‫ڦ‬௅߲ᆶၳᄂ‫ࣷۼ‬ᅜMSBᆫံ‫ݛ‬๕ሞ
SREADᆅগฉ૶Ⴤደ߲๼‫܁࣮؜‬ጴă໮٪֡ፕࢫ‫ڼ‬ᅃ้߲
ዓዜ೺‫؜‬၄‫ڦ‬ຕ਍ՂႷࢮ୼ă‫ڼ‬16߲࣮‫܁‬࿋ኮࢫႴᄲᅃ߲
‫้ྔܮ‬ዓዜ೺ॽSREADᆅগ࣬ް‫ڟ‬ෙༀăᅺُLj௅ْ࣮‫܁‬
ጺ ࠌ Ⴔ ᄲ 18߲ ้ ዓ ዜ ೺ ă ‫ ڼ‬18߲ ้ ዓ ዜ ೺ ࢫ Lj ᆌ ઙ ‫گ‬
SLEă
READBACK VALUE
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
AFC READBACK
RV16
RV15
RV14
RV13
RV12
RV11
RV10
RV9
RV8
RV7
RV6
RV5
RV4
RV3
RV2
RV1
RSSI READBACK
X
X
X
X
X
LG2
LG1
FG2
FG1
RV7
RV6
RV5
RV4
RV3
RV2
RV1
BATTERY VOLTAGE/ADCIN/
TEMP. SENSOR READBACK
X
X
X
X
X
X
X
X
X
RV7
RV6
RV5
RV4
RV3
RV2
RV1
SILICON REVISION
RV16
RV15
RV14
RV13
RV12
RV11
RV10
RV9
RV8
RV7
RV6
RV5
RV4
RV3
RV2
RV1
FILTER CAL READBACK
0
0
0
0
0
0
0
0
RV8
RV7
RV6
RV5
RV4
RV3
RV2
RV1
཮58. ࣮‫܁‬ኵ՗
Rev. 0 | Page 46 of 64
07246-029
READBACK MODE
ADF7021-N
‫ۉ׾ۉ‬უ/ADCIN/࿒‫ߌد܈‬ഗ࣮‫܁‬
‫ۉ׾ۉ‬უሞᆅগVDD4‫ڥ֪ت‬ă࣮‫܁‬႑တԈࡤሞ࿋RV1዁
࿋RV7ాăኄᄺ๢ᆩᇀADCINᆅগࢅ࿒‫ߌد܈‬ഗ‫ۉڦت‬უ
࣮‫܁‬ăߵ਍࣮‫܁‬႑တLj੗૧ᆩᅜူࠅ๕ඓۨ‫׾ۉ‬ईADCIN
‫ۉ‬უ
VBATTERY = (‫ۉ׾ۉ‬უ࣮‫)܁‬/21.1
VADCIN = (ADCIN‫ۉ‬უ࣮‫)܁‬/42.1
૧ᆩူଚࠅ๕੗൱‫؜‬࿒‫܈‬
Temp [°C] = −40 + (68.4 − ࿒‫ × )܁࣮܈‬9.32
ஓ)PC*֑ᆩٗ࿋RV5዁࿋RV16‫ڦ‬ෙ߲4࿋ጴব৊ႜՊஓă
ӲԨ‫پ‬ஓ)RC*֑ᆩٗ࿋RV1዁࿋RV4‫ڦ‬ᅃ߲4࿋ጴবՊஓă
ADF7021-N‫ׂڦ‬೗‫پ‬ஓᆌ࣮‫ྺ܁‬PC = 0x211ă‫ړ‬മӲԨ‫پ‬
ஓᆌ‫܁‬ፕRC = 0x1ă
୳հഗ‫੻ټ‬ၯጚ࣮‫܁‬
୳հഗၯጚ࣮‫܁‬ጴԈࡤሞ࿋RV1዁࿋RV8ా)֖९཮58*ăُ
࣮‫܁‬੗ᆩᇀ๮‫୳ۯ‬հഗۙবLjᅺُగၵ൧઄ူ࿮Ⴔ৊ႜዐ
ೕ୳հഗၯጚă๮‫ۙۯ‬বኵᆯR5_DB[14:19]Պ‫ײ‬ăᄲߵ਍
୳հഗၯጚ࣮‫܁‬ઠऺ໙๮‫ۙۯ‬বLj൩๑ᆩူଚࠅ๕ǖ
IF_FILTER_ADJUST = FILTER_CAL_READBACK − 128
ႊೌӲԨ࣮‫܁‬
ሞ࿄ยዃഄ໱स٪ഗ‫ڦ‬൧઄ူLjႊೌӲԨ࣮‫܁‬ጴᆶၳăႊ
ೌӲԨጴ֑ᆩ຺߲BCD߭๕‫ڦ‬4࿋ጴব৊ႜՊஓăׂ೗‫پ‬
ස“स٪ഗ5—ዐೕ୳հഗยዃस٪ഗ”և‫ݴ‬໯ຎLj঳ࡕᆌՊ
‫ڟײ‬R5_DB[14:19]ాă
Rev. 0 | Page 47 of 64
ADF7021-N
ྲ੦዆ഗ/DSPথ੨
Քጚ݀พ/থ๭ຕ਍থ੨
SPIఇ๕
ྲ੦዆ഗ‫ڦ‬Քጚ݀พ/থ๭႑ࡽࢅದዃথ੨ස཮59໯๖ăሞ
݀พఇ๕ူLjADF7021-NሞTxRxCLKᆅগฉ༵ࠃຕ਍้
ዓ Lj TxRxDATAᆅ গ ᆩ ፕ ຕ ਍ ๼ ෇ ‫ ܋‬ă ݀ พ ຕ ਍ ሞ
TxRxCLKฉืᄂ‫෇܁‬ADF7021-Nă
ሞSPIఇ๕ူLjTxRxCLKᆅগದዃྺሞ݀พఇ๕ူ๼෇݀
พຕ਍ăሞথ๭ఇ๕ူLjথ๭ຕ਍ሞTxRxDATAᆅগฉ༵
ࠃăሞ݀พࢅথ๭ଇዖఇ๕ူLjຕ਍้ዓሞCLKOUTᆅগ
ฉ ༵ ࠃ ă ሞ ݀ พ ఇ ๕ ူ Lj ຕ ਍ ሞ CLKOUTኟ ᄂ ‫෇ ܁‬
ADF7021-Năሞথ๭ఇ๕ူLjTxRxDATAຕ਍ᆅগᆌᆯྲ
੦዆ഗሞCLKOUTኟᄂ৊ႜ֑ᄣă
ADF7021-N
ADuC84x
MICROCONTROLLER
TxRxDATA
MISO
MISO
MOSI
TxRxCLK
SCLOCK
SPI
SS
MOSI
TxRxDATA
SCLK
CLKOUT
CE
SWD
CE
P2.4
SREAD
SWD
P2.5
SLE
P2.6
SDATA
P2.7
SCLK
07246-026
GPIO
SCLK
཮61. ADF7021-NDŽSPIఇ๕Dž዁ྲ੦዆ഗথ੨
ሞ4FSK݀พఇ๕ူLj݀พ‫ڦࡽޙ‬MSBሞઠጲTxRxCLKᆅগ
‫ڦ‬ຕ਍้ዓ‫ڼڦ‬ᅃ߲ฉืᄂ‫෇܁‬ADF7021-Năሞ4FSKথ๭
ఇ๕ူLj‫ڼ‬ᅃ߲ᆶၳሜࢁ‫ڦࡽޙ‬MSBሞSWDࢫ‫ڼڦ‬ᅃ߲ຕ
਍้ዓ޶ᄂደ߲๼‫؜‬Ljժᆌሞໜࢫ‫ڦ‬ฉืᄂ‫ྲ෇܁‬੦዆
ഗăᆶ࠲้Ⴞ཮Lj֖९཮6त7ă
ᄲഔᆩSPIথ੨ఇ๕LjॽR0_DB28ยྺߛ‫ۉ‬ೝժॽR15_DB
[17:19]ยྺ0x7ă཮8त9໯๖ྺSPIఇ๕‫ڦ‬၎࠲้Ⴞ཮Lj཮
61໯๖ྺ૧ᆩADF7021-N SPIఇ๕‫ॺڦ‬ᅱྲ੦዆ഗথ੨ă
ADSP-BF533থ੨
ॺᅱ‫ڦ‬Blackfin® ADSP-BF533‫ڦ‬থ੨‫݆ݛ‬९཮62ă
ADSP-BF533
SCK
MOSI
MISO
UARTఇ๕
PF5
ሞUARTఇ๕ူLjTxRxCLKᆅগದዃྺሞ݀พఇ๕ူ๼෇
݀พຕ਍ăሞথ๭ఇ๕ူLj੗ሞTxRxDATAᆅগฉ༵ࠃথ
๭ຕ਍Ljܸ༵ٗࠃᅴօຕ਍থ੨ăUARTఇ๕ኻీࢅࡗ֑
ᄣ2FSKᅃഐ๑ᆩă཮60໯๖ྺ૧ᆩADF7021-N UARTఇ๕
‫ ڦ‬੗ ႜ ྲ ੦ ዆ ഗ থ ੨ ă ᄲ ഔ ᆩ ُ UARTথ ੨ ఇ ๕ Lj ॽ
R0_DB28ยྺߛ‫ۉ‬ೝă཮8त9໯๖ྺUARTఇ๕‫ڦ‬၎࠲้
Ⴞ཮ă
ADF7021-N
UART
TxDATA
RxDATA
TxRxDATA
CE
SWD
SREAD
SLE
SDATA
SCLK
07246-085
GPIO
཮60. ADF7021-NDŽUARTఇ๕Dž዁ᅴօྲ੦዆ഗথ੨
Rev. 0 | Page 48 of 64
RSCLK1
DT1PRI
ADF7021-N
SCLK
SDATA
SREAD
SLE
TxRxCLK
TxRxDATA
DR1PRI
RFS1
PF6
SWD
CE
཮62. ADSP-BF533዁ADF7021-N૶থ཮
07246-027
ሞথ๭ఇ๕ူLjADF7021-NሞTxRxCLKᆅগฉ༵ࠃཞօຕ
਍ ้ ዓ ă থ ๭ ຕ ਍ ሞ TxRxDATAᆅ গ ฉ ༵ ࠃ ă ᆌ ๑ ᆩ
TxRxCLK‫ڦ‬ฉืᄂॽথ๭ຕ਍‫ྲ෇܁‬੦዆ഗăᆶ࠲้Ⴞ
཮Lj֖९཮4त5ă
TxRxCLK
SLE
SDATA
཮59. ADuC84x዁ADF7021-N૶থ཮
MICROCONTROLLER
SREAD
07246-076
P3.7
P3.2/INT0
GPIO
ADF7021-N
TxRxCLK
ADF7021-N
M14
M13
...
M3
M2
M1
0
1
TRANSMIT
RECEIVE
0
0
0
.
.
.
1
1
1
1
0
0
0
.
.
.
1
1
1
1
0
0
0
.
.
.
1
1
1
1
...
...
...
...
...
...
...
...
...
...
0
0
0
.
.
.
1
1
1
1
0
0
1
.
.
.
0
0
1
1
0
1
0
.
.
.
0
1
0
1
U1
UART_MODE
0
1
DISABLED
ENABLED
M3
M2
M1
MUXOUT
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
REGULATOR_READY (DEFAULT)
FILTER_CAL_COMPLETE
DIGITAL_LOCK_DETECT
RSSI_READY
Tx_Rx
LOGIC_ZERO
TRISTATE
LOGIC_ONE
N8
N7
N6
N5
N4
N3
N2
N1
INTEGER_N
DIVIDE RATIO
0
0
.
.
.
1
0
0
.
.
.
1
0
0
.
.
.
1
1
1
.
.
.
1
0
1
.
.
.
1
1
0
.
.
.
1
1
0
.
.
.
0
1
0
.
.
.
1
23
24
.
.
.
253
1
1
1
1
1
1
1
0
254
1
1
1
1
1
1
1
1
255
DB1
DB0
C1 (0)
FRACTIONAL_N
DIVIDE RATIO
0
1
2
.
.
.
32764
32765
32766
32767
07246-030
M15
C2 (0)
DB4
DB3
M1
C4 (0)
Tx/Rx
DB2
DB5
M2
DB6
DB7
M4
M3
DB8
DB11
M8
M5
DB12
M9
DB9
DB13
M10
DB10
DB14
M11
M6
DB15
M12
M7
DB16
M13
DB20
N2
DB17
DB21
N3
M14
DB22
N4
DB18
DB23
N5
DB19
DB24
N6
N1
DB25
N7
M15
DB26
TR1
C3 (0)
ADDRESS
BITS
FRACTIONAL_N
N8
DB28 UART_MODE
U1
Tx/Rx
DB29
M1
INTEGER_N
DB27
DB30
M2
MUXOUT
TR1
DB31
M3
स٪ഗ 0—Nस٪ഗ
཮63. स٪ഗ 0—Nस٪ഗᆙพ
•
•
RF๼‫؜‬ೕ୲ཚࡗူଚࠅ๕൱‫؜‬ǖ
‫ܔ‬ᇀ኱থ๼‫؜‬
Fractional _ N ⎞
⎛
RFOUT PFD × ⎜ Integer _ N ⎟
215
⎠
⎝
‫ܔ‬ᇀ჋ስRF_DIVIDE_BY_2DŽR1_DB18
Fractional _ N ⎞
⎛
RFOUT PFD × 0.5 × ⎜ Integer _ N ⎟
215
⎝
⎠
ሞUART/SPIఇ๕ူLjTxRxCLKᆅগᆩઠ๼෇Txຕ਍ă
Rxຕ਍ሞTxRxDATAᆅগฉ༵ࠃă
•
•
཮63ዐMUXOUTᆙพా‫ڦ‬FILTER_CAL_ COMPLETEኸ๖
ዐ ೕ ୳ հ ഗ ٚ ၯ ई ٚ ၯ े ৛ ၯ ᅙ ঳ ຐ ă
DIGITAL_LOCK_DETECTኸ๖PLLᅙ໮ۨăRSSI_READY
ኸ๖RSSI႑ࡽᅙॺ૬ժ੗৊ႜRSSI࣮‫܁‬ă
Tx_Rxሞُस٪ഗዐ༵ࠃDB27‫ڦ‬ጒༀLj੗ᆩઠ੦዆ྔև
Tx/Rxਸ࠲ă
Rev. 0 | Page 49 of 64
ADF7021-N
VB1
1
0
.
1
VCO_INDUCTOR
DB8
DB7
DB6
DB5
DB4
CL2
CL1
R3
R2
R1
INTERNAL L VCO
EXTERNAL L VCO
D1
0
1
CP2
0
0
1
1
CP1
RSET
0
1
0
1
ICP (mA)
RF R_COUNTER
R1 DIVIDE RATIO
1
1
0
2
.
.
.
.
.
.
1
7
CLKOUT_
DIVIDE RATIO
OFF
2
4
.
.
.
30
XTAL_
DOUBLER
DISABLE
ENABLED
X1 XOSC_ENABLE
0
OFF
1
ON
3.6k
0.3
0.9
1.5
2.1
DB0
DB9
CL3
VCO OFF
VCO ON
C1 (1)
DB10
CL4
0
1
DB1
DB11
D1
LOOP
CONDITION
CL1
0
1
0
.
.
.
1
DB2
DB12
X1
VE1
CL2
0
0
1
.
.
.
1
C2 (0)
DB13
XB1
3.75mA
CL3
0
0
0
.
.
.
1
C3 (0)
DB14
XB2
CL4
0
0
0
.
.
.
1
DB3
DB15
VCO_BIAS
CURRENT
0.25mA
0.5mA
C4 (0)
XOSC_
ENABLE
XTAL_
DOUBLER
DB16
OFF
ON
R2
0
1
.
.
.
1
XB2 XB1
0
1
0
1
0
0
1
1
XTAL_
BIAS
20μA
25μA
30μA
35μA
07246-031
VB2
0
1
.
1
CP1
DB19
VB1
VB3
0
0
.
1
R3
0
0
.
.
.
1
RFD1 RF_DIVIDE_BY_2
0
1
ADDRESS
BITS
R_COUNTER
CP2
DB20
VB2
VB4
0
0
.
1
CLKOUT_
DIVIDE
DB17
DB21
VB3
NOMINAL
VCO ADJUST UP 1
VCO ADJUST UP 2
VCO ADJUST UP 3
XTAL_
BIAS
VE1
DB22
VB4
0
1
0
1
CP_
CURRENT
RF_DIVIDE_
BY_2
VCO_
ENABLE
DB23
VA1
VA1
0
0
1
1
RFD1 DB18
VCO_
ADJUST
DB24
VCO CENTER
FREQ ADJUST
VA2
VCL1
0
1
VCO_BIAS
VA2
VCL1 DB25
VCO_
INDUCTOR
स٪ഗ1—VCO/ና‫ږ‬ഗस٪ഗ
཮64.स٪ഗ1—VCO/ና‫ږ‬ഗस٪ഗᆙพ
•
R_COUNTERࢅXTAL_DOUBLER࠲ဣසူǖ
If XTAL_DOUBLER = 0, PFD XTAL
R _ COUNTER
If XTAL_DOUBLER =1, PFD XTAL × 2
R _ COUNTER
•
CLOCKOUT_DIVIDE๟XTAL‫ݴڦ‬ೕ‫ݒ‬ገႚ๕Ljሞᆅগ36
ฉ༵ࠃ)CLKOUT*ă
•
֑ᆩྔևৗና้LjॽXOSC_ENABLEยྺߛ‫ۉ‬ೝăසࡕ֑
ᆩ ॽ CMOS‫ ۉ‬ೝ ๼ ‫ ڟ ؜‬ᆅ গ OSC2ฉ ‫ ྔ ڦ‬և ና ‫ ږ‬ഗ ) ස
TCXO*LjॽXOSC_ENABLEยྺ‫ۉگ‬ೝăසࡕ֑ᆩॽ0.8 V
p-p၌ ‫ ޗ‬ኟ ၀ հ ๼ ‫ ڟ ؜‬ᆅ গ OSC1ฉ ‫ ྔ ڦ‬և ና ‫ ږ‬ഗ Lj ॽ
XOSC_ENABLEยྺߛ‫ۉ‬ೝă
•
VCO_BIAS࿋ᆌӀ՗9ઠยዃă
•
VCO_ADJUST࿋ᆩᇀۙবVCO߾ፕೕ‫ڦټ‬ዐ႐ă௅߲࿋‫ڦ‬
VCOೕ ‫ ټ‬ฉ ۙ ‫ ܈ ޗ‬ཚ ‫ ྺ ׉‬RF߾ ፕ ೕ ୲ ‫ ڦ‬1ǁ DŽ ස ࡕ
RF_DIVIDE_BY_2ഔᆩLjሶྺ0.5%Džă
•
ॽ VCO_INDUCTORย ྺ ྔ և ࢫ Lj न ੗ ๑ ᆩ ྔ և ‫ߌ ۉ‬
VCOLjࠃ80 MHz዁650 MHz‫ڦ‬RF߾ፕೕ୲ăසࡕ֡ፕዐ๑
ᆩాև‫ߌۉ‬VCOLjॽُ࿋ยྺ‫ۉگ‬ೝă
Rev. 0 | Page 50 of 64
ADF7021-N
DI1
TxDATA_INVERT
0
0
1
1
0
1
0
1
NORMAL
INVERT CLK
INVERT DATA
INV CLK AND DATA
0
0
0
0
.
1
NRC1 R-COSINE_ALPHA
0.5 (Default)
0.7
...
...
...
...
...
...
0
0
0
0
.
1
0
0
1
1
.
1
0
1
0
1
.
1
0
1
0
1
PR2
PR1
PA_RAMP RATE
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
NO RAMP
256 CODES/BIT
128 CODES/BIT
64 CODES/BIT
32 CODES/BIT
16 CODES/BIT
8 CODES/BIT
4 CODES/BIT
P2
P1
POWER_
AMPLIFIER
0
0
0
0
.
.
1
.
.
.
.
.
.
1
.
.
.
.
.
.
.
0
0
1
1
.
.
1
0
1
0
1
.
.
1
0 (PA OFF)
1 (–16.0 dBm)
2
3
.
.
63 (13 dBm)
DB6
DB5
DB4
DB3
DB2
DB1
DB0
S3
S2
S1
C4 (0)
C3 (0)
C2 (1)
C1 (0)
PA_
ENABLE
OFF
ON
0
0
0
0
1
1
1
1
.
DB7
DB8
PR1
0
1
PR3
.
ADDRESS
BITS
MODULATION_
SCHEME
PE1 PA_ENABLED
5μA
7μA
9μA
11μA
P6
PE1
DB9
PR2
DB11
PA1
PA1 PA_BIAS
0
0
1
1
DB10
DB12
PA2
PA2
PA_RAMP
PR3
DB13
DB14
PA_BIAS
P1
P2
DB16
P4
0
1
2
3
.
511
DB15
DB17
P5
TFD3 TFD2 TFD1 fDEV
P3
DB18
P6
TFD1 DB19
TFD2 DB20
TFD3 DB21
TFD4 DB22
TFD5 DB23
POWER_AMPLIFIER
S3
S2
S1
MODULATION_SCHEME
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
2FSK
GAUSSIAN 2FSK
3FSK
4FSK
OVERSAMPLED 2FSK
RAISED COSINE 2FSK
RAISED COSINE 3FSK
RAISED COSINE 4FSK
07246-032
DI2
TFD9 ...
0
1
TFD6 DB24
TFD7 DB25
TFD8 DB26
DB28
DI1
Tx_FREQUENCY_DEVIATION
TFD9 DB27
DB29
DI2
TxDATA_
INVERT
NRC1 DB30
R-COSINE_
ALPHA
स٪ഗ2—݀พۙ዆स٪ഗ
཮64.स٪ഗ1—VCO/ና‫ږ‬ഗस٪ഗᆙพ
•
2FSK/3FSK/4FSKೕ୲ೋֶᆯူଚࠅ๕՗๖ǖ
኱থ๼‫؜‬
•
ࠀ୲‫ٷݣ‬ഗ)PA*ᅜՊ‫ײ‬໏୲)R2_DB[8:10]*࣐ืLj኱዁‫ڟٳ‬
Պ ‫ ײ‬຤ ೝ ) R2_DB[13:18]* ă ස ࡕ PAཚ ࡗ PA_ENABLE࿋
)R2_DB7*ઠഔᆩ/্ᆩLjሶഄ‫ت‬ᇀฉၽೢ/ူၽೢăසࡕPA
ཚࡗTx/Rx࿋)R0_DB27*ઠഔᆩ/্ᆩLjሶഄ‫ت‬ᇀฉၽೢ/ᆘ
࠲Կă
•
R-COSINE_ALPHAॽืᇆ၀ຕ਍୳հഗ‫ࡐڦ‬ইဣຕ)alpha*
ยྺ0.5ई0.7ăAlphaఐණยዃྺ0.5Lj֑ᆩ0.7‫ڦ‬alphaኵ੗
༵ߛืᇆ၀୳հഗ‫੻ټ‬ᅜই‫گ‬ຕ਍୳հഽ‫܈‬ă
ೕ୲ೋֶ [Hz]=
Tx _ FREQUENCY _ DEVIATION × PFD
216
ഔᆩRF_DIVIDE_BY_2DŽR1_DB18Dž
ೕ୲ೋֶ [Hz]=
0.5 ×
Tx _ FREQUENCY _ DEVIATION × PFD
216
ഄዐTx_FREQUENCY_DEVIATIONᆯR2_DB[19:27]ยዃLj
PFDྺPFDೕ୲ă
•
‫ܔ‬ᇀ4FSKLjሞ±3 ×ೕ୲ೋֶࢅ±1 ×ೋֶ‫ت‬٪ሞ႑ࡽᅼă
Rev. 0 | Page 51 of 64
ADF7021-N
GD5
GD4
GD3
GD2
GD1
AGC_CLK_DIVIDE
0
0
...
1
0
0
...
1
0
0
...
1
0
0
...
1
0
0
...
1
0
1
...
1
INVALID
1
...
63
DB7
DB6
DB5
DB4
OK2
OK1
BK2
BK1
DB0
DB8
OK3
C1 (1)
DB9
OK4
DB1
DB10
FS1
C2 (1)
DB11
FS2
DB2
DB12
FS3
DB3
DB13
FS4
C3 (0)
DB14
FS5
C4 (0)
DB15
FS6
ADDRESS
BITS
SK3
SK2
SK1
SEQ_CLK_DIVIDE
BK2
BK1
BBOS_CLK_DIVIDE
0
0
.
1
1
0
1
.
1
1
1
0
.
0
1
1
2
.
254
255
0
0
1
1
0
1
0
1
4
8
16
32
OK4 OK3 OK2 OK1
DEMOD_CLK_DIVIDE
0
0
...
1
INVALID
1
...
15
FS8
FS7
...
FS3
FS2
FS1
0
0
.
1
1
0
0
.
1
1
...
...
...
...
...
0
0
.
1
1
0
1
.
1
1
1
0
.
0
1
0
0
...
1
0
0
...
1
0
1
...
1
CDR_CLK_ DIVIDE
1
2
.
254
255
07246-033
GD6
DB16
DB17
...
...
...
...
...
...
FS7
DB22
SK5
DB18
DB23
SK6
FS8
DB24
SK7
SK1
DB25
SK8
DB20
DB26
GD1
0
0
.
1
1
DB19
DB27
GD2
SK7
0
0
.
1
1
SK2
DB28
GD3
DB21
DB29
GD4
SK8
DEMOD_CLK_
DIVIDE
CDR_CLK_DIVIDE
SK3
DB30
GD5
SK4
DB31
SEQ_CLK_DIVIDE
GD6
AGC_CLK_DIVIDE
BBOS_CLK_
DIVIDE
स٪ഗ3—݀พ/থ๭้ዓस٪ഗ
཮66.स٪ഗ3—݀พ/থ๭้ዓस٪ഗᆙพ
•
ए‫ټ‬฿้ۙዓೕ୲(BBOS CLK)ՂႷ‫ٷ‬ᇀ1 MHz൐ၭᇀ2
•
MHzLjഄዐ
੷ăᆌ৑ଉথৎ100 kHză
XTAL
SEQ CLK =
!
SEQ _ CLK _ DIVIDE
•! ௅߲AGCօ৊ሎႹ‫ॺڦ‬૬้क़ᆯAGC߸ႎ໏୲ਦۨă
XTAL
BBOS _ CLK _ DIVIDE
•! ยዃ঴ۙഗ้ዓ(DEMOD CLK)ᅜՍ2 MHz ≤ DEMOD
!
BBOS CLK =
ᆌยዃথৎ8 kHză
CLK ≤ 15 MHzLjഄዐ
XTAL
DEMOD CLK =
!
DEMOD _ CLK _ DIVIDE
•! ‫ܔ‬ᇀ2FSK/3FSKLjຕ਍/้ዓ࣬ްೕ୲(CDR CLK)Ⴔᄲ࿋
ᇀ(32 × ຕ਍໏୲)ฉူ2ǁ‫ాྷݔڦ‬ă‫ܔ‬ᇀ4FSKLjCDR
!
้Ⴞ੦዆ഗ้ዓ(SEQ CLK)ॽ้ዓ༵ࠃ዁ຕጴথ๭ఇ
CLKႴᄲ࿋ᇀ(32 × ‫ࡽޙ‬໏୲)ฉူ2ǁ‫ాྷݔڦ‬ă!!!
DEMOD CLK
CDR CLK =
CDR _ CLK _ DIVIDE
Rev. 0 | Page 52 of 64
AGC Update Rate[Hz]=
SEQ _ CLK
AGC _ CLK _ DIVIDE
ADF7021-N
POST_DEMOD_
DW6 DW5 DW4 DW3 DW2 DW1 BW
0
0
.
.
.
.
1
0
0
.
.
.
.
1
0
0
.
.
.
.
1
0
0
.
.
.
.
1
DB18
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
TD9
TD8
TD7
TD6
TD5
TD4
TD3
TD2
TD1
RI2
RI1
DP1
DS3
DS2
DS1
C4(0)
C3(1)
C2(0)
C1(0)
0
0
1
1
0
1
0
1
NORMAL
INVERT CLK
INVERT DATA
INVERT CLK/DATA
CROSS_PRODUCT
DOT_PRODUCTD
DS3 DS2 DS1
0
0
0
0
1
1
1
1
1
2
.
.
.
.
1023
TD10 .
TD6
TD5
TD4
TD3
TD2
TD1
DISCRIMINATOR_BW
0
0
.
.
.
.
1
0
0
.
.
.
.
0
0
0
.
.
.
.
1
0
0
.
.
.
.
0
0
0
.
.
.
.
1
0
1
.
.
.
.
0
1
0
.
.
.
.
0
1
2
.
.
.
.
660
.
.
.
.
.
.
.
DOT_PRODUCT
0
1
Rx_INVERT
1
0
.
.
.
.
1
0
1
.
.
.
.
1
DP1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
DEMOD_SCHEME
2FSK LINEAR DEMODULATOR
2FSK CORRELATOR DEMODULATOR
3FSK DEMOD
4FSK DEMOD
RESERVED
RESERVED
RESERVED
RESERVED
07246-034
0
0
.
.
.
.
1
ADDRESS
BITS
DB19
DW1 DB20
RI2 RI1
DW10 .
DEMOD_
SCHEME
TD10
DW2 DB21
IF_FILTER _
IFB2 IFB1 BW
0
0
9 kHz
1
0
13.5 kHz
0
1
18.5 kHz
1
1
INVALID
.
.
.
.
.
.
.
Rx_
INVERT
DISCRIMINATOR_BW
DW3 DB22
DW4 DB23
DW5 DB24
DW6 DB25
DW7 DB26
DW8 DB27
DW9 DB28
DB30
IFB1
DW10 DB29
DB31
IFB2
POST_DEMOD_BW
DOT_PRODUCT
IF_FILTER_BW
स٪ഗ4—঴ۙഗยዃस٪ഗ
Figure 67. Register 4—Demodulator Setup Register Map
•
ഄዐǖ
ᄲ൱‫؜‬DISCRIMINATOR_BWLj૧ᆩူଚࠅ๕ǖ
DEMOD CLK × K
DISCRIMINATOR_BW =
400 × 10 3
ഄዐፌ‫ٷ‬ኵ = 660ă
Round຺ป࿵෇ྺፌথৎ‫ڦ‬ኝຕă
Round4FSK৊ႜ຺ป࿵෇Ljሞူଚኝຕዐൽፌথৎ‫ڦ‬ኵǖ
32, 31, 28, 27, 24, 23, 20, 19, 16, 15, 12, 11, 8, 7, 4, 3ă
•! ‫ܔ‬ᇀ2FSKLj
⎛ 100 × 10 3 ⎞
⎟
K = Round ⎜
!
⎜ f
⎟
⎝ DEV ⎠
•! ‫ܔ‬ᇀ3FSKLj
⎛ 100 × 10 3 ⎞
⎟
K = Round ⎜
!
⎜ 2× f
⎟
DEV ⎠
⎝
•! ‫ܔ‬ᇀ4FSKLj
⎛ 100 × 103 ⎞
⎟
K = Round 4 FSK ⎜
⎜ 4× f
⎟
DEV ⎠
⎝
fDEV๟݀พೕ୲ೋֶ(Hz)ă‫ܔ‬ᇀ4FSKLj
fDEVྺᆩᇀ±1‫ڦࡽޙ‬ೕ୲ೋֶ(नాևೕ୲ೋֶ)ă
•! Rx_INVERT(R4_DB[8:9])ࢅDOT_PRODUCT(R4_DB7)
Ⴔᄲස՗17त18໯๖৊ႜยዃă
211 × π × f CUTOFF
DEMOD CLK
ഄዐࢫዃ঴ۙഗ୳հഗ‫ڦ‬পኹೕ୲(fCUTOFF)ሞ2FSKዐཚ
POST _ DEMOD _ BW =
‫׉‬ᆌྺ0.75 × ຕ਍໏୲ăሞ3FSKዐLjᆌยྺ‫ڪ‬ᇀຕ਍
໏୲Ljሞ4FSKዐLjᆌยྺ‫ڪ‬ᇀ1.6 × ‫ࡽޙ‬໏୲ă
Rev. 0 | Page 53 of 64
ADF7021-N
IF_CAL_COARSE
DB2
DB1
DB0
C2 (0)
C1 (1)
DB3
C3 (1)
DB4
CC1
IFD7 DB11
IFD8 DB12
IFD9 DB13
IFA1 DB14
IFA2 DB15
IFA3 DB16
IFA4 DB17
IFA5 DB18
IFA6 DB19
ADDRESS
BITS
C4 (0)
DB20
PM1
DB5
DB21
PM2
IFD1
DB22
PM3
DB6
DB23
PM4
DB7
IR_PHASE_
DB24 ADJUST_DIRECTION
PD1
IFD2
DB25
GM1
IFD3
DB26
GM2
DB8
DB27
GM3
IFD4
DB28
GM4
IF_FILTER_DIVIDER
IF_FILTER_ADJUST
DB9
DB29
GM5
IR_PHASE_
ADJUST_MAG
IFD5
IR GAIN_
ADJUST_I/Q
DB30
GQ1
IR_GAIN_
ADJUST_MAG
IFD6 DB10
IR_GAIN_
ADJUST_UP/DN
DB31
GA1
स٪ഗ5—ዐೕ୳հഗยዃस٪ഗ
CC1 IF_CAL_COARSE
0
1
PM3
PM2
IR PHASE
PM1 PM1 ADJUST
0
0
0
.
1
0
0
0
.
1
0
0
1
.
1
0
1
2
...
15
0
1
0
.
1
IFD9 .
0
0
.
.
.
.
1
PD1 IR_PHASE_ADJUST_DIRECTION
0
1
0
0
0
.
1
0
0
0
.
1
GM3
IR_GAIN_
GM2 GM1 ADJUST_MAG
0
0
0
.
1
0
0
1
.
1
0
1
0
.
1
GQ1 IR_GAIN_ADJUST_I/Q
0
1
ADJUST I CH
ADJUST Q CH
GA1
IR_GAIN_ADJUST_UP/DN
0
1
GAIN
ATTENUATE
0
1
2
...
31
IFA6 IFA5 ...
0
0 ...
0
0 ...
0
0 ...
..
.. ...
0
1 ...
1
0 ...
1
0 ...
1
0 ...
1
. ...
1
1 ...
IF_FILTER_
IFD6 IFD5 IFD4 IFD3 IFD2 IFD1 DIVIDER
0
0
.
.
.
.
1
0
0
.
.
.
.
1
0
0
.
.
.
.
1
0
0
.
.
.
.
1
0
1
.
.
.
.
1
1
0
.
.
.
.
1
1
2
.
.
.
.
511
IFA2 IFA1 IF_FILTER_ADJUST
0
0
1
..
1
0
0
1
.
1
0
1
0
..
1
0
1
0
.
1
0
+1
+2
...
+31
0
–1
–2
...
–31
07246-035
GM5 GM4
ADJUST I CH
ADJUST Q CH
.
.
.
.
.
.
.
NO CAL
DO CAL
཮68. स٪ഗ5—ዐೕ୳հഗยዃस٪ഗᆙพ
•
ยዃIF_CAL_COARSE࿋(R5_DB4)ࢫLj৊ႜዐೕ୳հ
•
IF_FILTER_ADJUSTሎႹࢫჄথ๭ऐฉ‫้ۉ‬኱থՊ‫ײ‬
ഗٚၯăසࡕIF_FINE_ CAL࿋(R6_DB4)ኮമᅙยዃLj
ዐೕ୳հഗ৛ၯLjᅺُగၵ൧઄ူ࿮Ⴔዘႎ৊ႜ୳հ
ሶሞٚၯࢫጲ‫ۯ‬৊ႜ৛ၯă
ഗ৛ၯăᆶ࠲૧ᆩIF_FILTER_ADJUST࿋‫ڦ‬႑တLj൩
֖९“୳հഗ‫੻ټ‬ၯጚ࣮‫”܁‬և‫ݴ‬ă!
•! ยዃIF_FILTER_DIVIDERᅜՍ
XTAL
= 50 Hz
IF _ FILTER _ DIVIDER
•! R5_DB[20:31]ᆩᇀ৥ၟᅞ዆ၯጚăᆶ࠲ኄၵ֖ຕ‫ڦ‬Պ
‫ݛײ‬๕‫ၘڦ‬൧Lj൩֖९“৥ၟᅞ዆ၯጚ”և‫ݴ‬ă
Rev. 0 | Page 54 of 64
ADF7021-N
IF_FINE_
CAL
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
LT5
LT4
LT3
LT2
LT1
FC1
C4 (0)
C3 (1)
C2 (1)
C1 (0)
DB16
UT4
LT6
DB17
UT5
LT7
DB18
UT6
DB12
DB19
UT7
LT8
DB20
UT8
DB13
DB21
CD1
DB14
DB22
CD2
ADDRESS
BITS
UT1
DB23
CD3
IF_CAL_LOWER_TONE_DIVIDE
UT2
DB24
CD4
DB15
DB25
CD5
UT3
DB26
CD6
IF_CAL_UPPER_TONE_DIVIDE
DB27
IF_CAL_DWELL_TIME
CD7
IRC2 DB29 IR_CAL_
SOURCE_
IRC1 DB28 DRIVE_LEVEL
IRD1 DB30 IR_CAL_
SOURCE ÷2
स٪ഗ6—ዐೕ৛ၯยዃस٪ഗ
IRD1 IR_CAL_SOURCE ÷2
0
1
SOURCE ÷2 OFF
SOURCE ÷2 ON
UT8 UT7 ...
0
0
0
.
.
0
IR_CAL_SOURCE_
IRC2 IRC1 DRIVE_LEVEL
OFF
0
0
LOW
0
1
MED
1
0
HIGH
1
1
0
0
0
.
.
1
...
...
...
...
...
...
UT3
UT2
UT1
IF_CAL_UPPER_
TONE_DIVIDE
0
0
0
.
.
1
0
1
1
.
.
1
1
0
1
.
.
1
1
2
3
.
.
127
LT8 LT7 ... LT3
CD7
...
IF_CAL_
CD3 CD2 CD1 DWELL_TIME
0
0
0
.
.
1
...
...
...
...
...
...
0
0
0
.
.
1
1
0
1
.
.
1
1
2
3
.
.
127
0
0
0
.
.
1
...
...
...
...
...
...
0
0
0
.
.
1
IF_FINE_CAL
0
1
DISABLED
ENABLED
LT2
LT1
IF_CAL_LOWER_
TONE_DIVIDE
0
1
1
.
.
1
1
0
1
.
.
1
1
2
3
.
.
255
07246-036
0
1
1
.
.
1
0
0
0
.
.
1
FC1
཮69. स٪ഗ6—ዐೕ৛ၯยዃस٪ഗᆙพ
•
!
!
!
ዐೕ୳հഗ৛ၯཚࡗഔᆩIF_FINE_CAL࿋(R6_DB4)ઠ
•
ዐೕ႑ࡽᅼၯጚ้क़๟ኸሞዐೕၯጚ႑ࡽᅼ‫ڦݯࢾت‬
ยዃăኮࢫৈሞႀ෇स٪ഗ5ժยዃR5_DB4้֍৊ႜ
้क़ă໲ൽਦᇀ้Ⴞ੦዆ഗ้ዓăߵ਍ፌॅፔ݆Ljॺ
৛ၯă
ᅱॽዐೕ႑ࡽᅼၯጚ้क़ยྺ዁ณ500 μsă
IF _ CAL _ DWELL _ TIME
ዐೕ႑ࡽᅼၯጚ้क़ =
SEQ CLK
ዐೕ୳հഗ৛ၯ‫ڦ‬ጺ้क़ྺ
! ‫گ‬႑ࡽᅼೕ୲(kHz) =
XTAL
IF _ CAL _ LOWER _ TONE _ DIVIDE × 2
! ߛ႑ࡽᅼೕ୲(kHz) =
XTAL
IF _ CAL _ UPPER _ TONE _ DIVIDE × 2
ॺᅱස՗24໯ຎઠ‫ݣ‬ዃߛ‫گ‬႑ࡽᅼă
ዐೕ႑ࡽᅼၯጚ้क़ × 10
•! R6_DB[28:30]੦ ዆ ৥ ၟ ᅞ ዆ (IR)ၯ ጚ ‫ ా ڦ‬և ᇸ ă
IR_CAL_SOURCE_ DRIVE_LEVEL࿋(R6_DB[28:29])ย
ዃᇸ‫ڦ‬ൻ‫ۯ‬ഽ‫܈‬LjIR_CAL_SOURCE_÷2࿋(R6_DB30)
՗24. ዐೕ୳հഗ৛ၯ႑ࡽᅼೕ୲
ዐೕ୳հഗ‫੻ټ‬
9 kHz
13.5 kHz
18.5 kHz
‫گ‬႑ࡽᅼೕ୲
78.1 kHz
79.4 kHz
78.1 kHz
ሎႹॽాև႑ࡽᇸ‫ڦ‬ೕ୲‫أ‬ᅜ2ă
ߛ႑ࡽᅼೕ୲
116.3 kHz
116.3 kHz
119 kHz
Rev. 0 | Page 55 of 64
ADF7021-N
स٪ഗ7—࣮‫܁‬ยዃस٪ഗ
READBACK_
SELECT
CONTROL
BITS
ADC_
MODE
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
RB3
RB2
RB1
AD2
AD1
C4 (0)
C3 (1)
C2 (1)
C1 (1)
RB3 READBACK_SELECT
AD2 AD1 ADC_MODE
0
1
0
0
1
1
DISABLED
ENABLED
RB2 RB1 READBACK MODE
0
1
0
1
AFC WORD
ADC OUTPUT
FILTER CAL
SILICON REV
MEASURE RSSI
BATTERY VOLTAGE
TEMP SENSOR
TO EXTERNAL PIN
07246-037
0
0
1
1
0
1
0
1
཮70. स٪ഗ7—࣮‫܁‬ยዃस٪ഗᆙพ
•
RSSI֪ଉኵ࣮‫܁‬ৈሞRxఇ๕ူᆶၳăሞRxఇ๕ူ࿮݆
•
ሞྔևᆅগฉ࣮‫ۉ׾ۉ܁‬უĂ࿒‫ߌد܈‬ഗई‫ۉ‬უă
‫ܔ‬ᇀAFC࣮‫܁‬Lj֑ᆩူଚࠅ๕(֖९“࣮‫߭܁‬๕”և‫)ݴ‬ǖ
FREQ RB [Hz] = (AFC࣮‫ × ܁‬DEMOD CLK)/218
•! ᄲሞTxఇ๕ူሞྔևᆅগฉ࣮‫ۉ׾ۉ܁‬უĂ࿒‫ߌد܈‬
ഗई‫ۉ‬უLjᆩࢽᆌံᆩR8_DB8๑ADCฉ‫ۉ‬Ljᅺྺ໲
VBATTERY = ‫ۉ׾ۉ‬უ࣮‫܁‬/21.1
VADCIN = ADCIN‫ۉ‬უ࣮‫܁‬/42.1
ሞTxఇ๕ူఐණ࠲܏ᅜู‫ۉ‬ă
࿒‫[ ܈‬°C] = −40 + (68.4 − ࿒‫ × )܁࣮܈‬9.32
Rev. 0 | Page 56 of 64
ADF7021-N
DEMOD_
ENABLE
ADC_
ENABLE
FILTER_
ENABLE
LNA/MIXER_
ENABLE
RESERVED
SYNTH_
ENABLE
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
PD7
SW1
LE1
PD6
Rx_RESET
DB14
DB13
CR1
LOG_AMP_
ENABLE
Tx/Rx_SWITCH_
ENABLE
DB15
PA_ENABLE_
Rx_MODE
COUNTER_
RESET
स٪ഗ8—ู‫֪ۉ‬๬स٪ഗ
PD4
PD5
PD3
PD1
CONTROL
BITS
DB3
CR1 COUNTER_RESET
0
1
DB2
DB1
DB0
C4 (1) C3 (0) C2 (0) C1 (0)
NORMAL
RESET
PD1
SYNTH_ENABLE
0
1
SYNTH OFF
SYNTH ON
CDR
RESET
DEMOD
RESET
PD7
PA (Rx MODE)
0
1
PA OFF
PA ON
SW1 Tx/Rx SWITCH
DEFAULT (ON)
OFF
LE1
LOG_AMP_ENABLE
0
1
LOG AMP OFF
LOG AMP ON
PD6
DEMOD_ENABLE
0
1
DEMOD OFF
DEMOD ON
LNA/MIXER_ENABLE
0
1
LNA/MIXER OFF
LNA/MIXER ON
PD4
FILTER_ENABLE
0
1
FILTER OFF
FILTER ON
PD5
ADC_ENABLE
0
1
ADC OFF
ADC ON
07246-038
0
1
PD3
཮71. स٪ഗ8—ู‫֪ۉ‬๬स٪ഗᆙพ
•
ሞኟ‫߾׉‬ፕཉॲူփՂႀ෇ُस٪ഗă
•
‫ܔ‬ᇀፇࢇ๕LNA/PA೅ದྪஏLjR8_DB11ᆌ๔ዕยྺ
0LjᅜഔᆩాևTx/Rxਸ࠲ăኄ๟ฉ‫ڦ้ۉ‬ఐණཉॲă
Rev. 0 | Page 57 of 64
ADF7021-N
LI2
LI1
LNA_BIAS
0
0
800μA (DEFAULT)
FILTER_CURRENT
0
1
LOW
HIGH
0
1
0
1
DB2
C3 (0)
DB0
DB3
DB1
DB4
GL1
C4 (1)
C2 (0)
DB5
GL2
C1 (1)
DB6
DB7
GL3
DB8
GL5
DB9
DB13
GH3
DB10
DB14
GH4
GL6
DB15
GH5
GL7
DB16
GH6
GL4
0
1
1
0
.
.
.
0
1
1
0
0
0
1
.
.
.
1
1
1
1
0
1
0
.
.
.
1
0
1
1
2
3
4
.
.
.
61
62
63
AGC_HIGH_
GH7 GH6 GH5 GH4 GH3 GH2 GH1 THRESHOLD
0
0
0
0
.
.
.
1
1
1
FG2 FG1 FILTER_GAIN
0
0
1
1
0
0
0
0
.
.
.
1
1
1
0
0
0
0
.
.
.
1
1
1
0
0
0
0
.
.
.
1
1
1
0
0
0
0
.
.
.
1
1
1
DEFAULT
REDUCED GAIN
FI1
DB11
DB17
GH7
AUTO AGC
MANUAL AGC
FREEZE AGC
RESERVED
LG1 LNA_MODE
0
1
GH1
DB18
GM1
0
1
2
3
DB12
DB19
GM2
AGC_LOW_
GL7 GL6 GL5 GL4 GL3 GL2 GL1 THRESHOLD
AGC_MODE
DEFAULT
HIGH
ADDRESS
BITS
AGC_LOW_THRESHOLD
GH2
DB20
LG1
DB23
FG2
DB22
DB24
FI1
ML1 MIXER_LINEARITY
0
1
AGC_HIGH_THRESHOLD
DB21
DB25
LG1
AGC_
MODE
LG2
DB26
LI1
LNA_
GAIN
FG1
DB27
LI2
FILTER_
CURRENT
LNA_MODE
DB28
FILTER_
GAIN
ML1
LNA_
BIAS
MIXER_
LINEARITY
स٪ഗ9—AGCस٪ഗ
8
24
72
INVALID
0
0
0
0
.
.
.
0
0
0
0
0
0
0
.
.
.
0
0
1
0
0
0
0
.
.
.
1
1
0
0
0
0
1
.
.
.
1
1
0
0
1
1
0
.
.
.
1
1
0
1
0
1
0
.
.
.
0
1
0
1
2
3
4
.
.
.
78
79
80
LG2 LG1 LNA_GAIN
0
1
0
1
3
10
30
INVALID
07246-039
0
0
1
1
཮72. स٪ഗ 9—AGCस٪ഗᆙพ
•
•
ኻᆶႴᄲఐණኵྔ‫ڦ‬AGCยዃኵ้Lj֍ՂႷ‫ُܔ‬स٪
•
ഗՊ‫ײ‬ă
•! ኻᆶLNA_MODE(R9_DB25)ยྺ0้Lj֍༵ࠃ30‫ڦ‬LNA
ሞথ๭ఇ๕ူLjฉ‫้ۉ‬AGCఐණยྺጲ‫ۯ‬AGCăఐණ
ពኵྺAGC_ LOW_ THRESHOLD = 30൐AGC_HIGH_
THRESHOLD = 70ăၘ൧֖९RSSI/AGCև‫ݴ‬ă
Rev. 0 | Page 58 of 64
AGCߛ‫گ‬ยዃՂႷ၎ֶ30ᅜฉ֍ీඓԍ֡ፕኟ‫׉‬ă
ሺᅮă
ADF7021-N
2^0
2^1
...
2^7
MA8
...
MAX_AFC_
MA3 MA2 MA1 RANGE
0
0
0
0
.
.
.
1
1
1
...
...
...
...
...
...
...
...
...
...
0
0
0
1
.
.
.
1
1
1
0
1
1
0
.
.
.
0
1
1
1
0
1
0
.
.
.
1
0
1
DB7
DB6
DB5
M3
M2
M1
DB0
DB8
M4
C1 (0)
DB9
M5
DB1
DB10
M6
DB2
DB11
M7
C2 (1)
DB12
M8
C3 (0)
DB13
M9
DB3
DB14
M10
C4 (1)
DB15
M11
DB4
DB16
M12
AE1
DB17
KI1
DB18
DB19
ADDRESS
BITS
KI4
KI3
KI2
KI1
KI
AE1
AFC_EN
0
0
.
1
0
0
.
1
0
0
.
1
0
1
.
1
2^0
2^1
...
2^15
0
1
OFF
AFC ON
1
2
3
4
.
.
.
253
254
255
M12
...
M3
M2
M1
AFC_SCALING_
FACTOR
0
0
0
0
.
.
.
1
1
1
...
...
...
...
...
...
...
...
...
...
0
0
0
1
.
.
.
1
1
1
0
1
1
0
.
.
.
0
1
1
1
0
1
0
.
.
.
1
0
1
1
2
3
4
.
.
.
4093
4094
4095
07246-040
0
1
.
1
AFC_SCALING_FACTOR
KI2
DB20
KI4
KP1 KP
0
0
.
1
KI3
DB22
DB21
KP1
KP3 KP2
0
0
.
1
KI
KP2
DB23
DB26
MA3
KP3
DB27
MA4
DB24
DB28
MA5
DB25
DB29
MA6
MA1
DB30
MA7
KP
MA2
DB31
MA8
MAX_AFC_RANGE
AFC_EN
स٪ഗ10—AFCस٪ഗ
཮73. स٪ഗ 10—AFCस٪ഗᆙพ
•
•
AFC_SCALING_FACTOR੗՗๖ྺ
ጚ‫ྷݔ‬३ӷăᆩࢽ੗ॽMAX_AFC_RANGEኵेԠઠ঴
⎛ 2 24 × 500 ⎞
⎟
AFC _ SCALING _ FACTOR = Round ⎜
⎜ XTAL ⎟
⎝
⎠
•
ਦ३ӷ࿚༶ă
KIࢅKPยዃࣷᆖၚAFCॺ૬้क़ࢅAFC৛‫܈‬ă௅߲֖
•
‫ت‬ᇀAFCվጛ‫ྷݔ‬ኮాĂ‫ڍ‬࿋ᇀዐೕ୳հഗ‫੻ټ‬ኮྔ
‫ڦ‬႑ࡽࣷԥዐೕ୳հഗປ३ăᅺُLj႑ࡽ੗ీࣷ‫گ‬ᇀ
ຕ‫ڦ‬ඹႹ‫ྺྷݔ‬KI > 6൐KP < 7ă
•
‫ړڍ‬ഔᆩRF_DIVIDE_BY_2(R1_DB18)้LjՊ‫ײ‬AFCၯ
থ๭ऐ‫ڦ‬ଳ௺‫ۅ܈‬Lj๑AFC࿮݆ॠ֪‫ڟ‬ă
ᄲइ‫ڥ‬ፌॅAFCႠీLjॺᅱยዃྺKI = 11൐KP = 4ăᄲ
ሞAFCॺ૬้क़ࢅAFC৛‫܈‬ኮक़ლቴೝ࢚‫ۅ‬Lj੗ߵ਍
ॺᅱยዃۙবKIࢅKP֖ຕ(ԍ‫׼‬ሞඹႹ‫)ాྷݔ‬Ljᅜඓ
ԍ
AFCၯኟ‫ = ྷݔ‬MAX_AFC_RANGE × 500 Hz
Rev. 0 | Page 59 of 64
ADF7021-N
DB0
C1 (1)
DB6
MT1
DB1
DB7
MT2
C2 (1)
DB8
SB1
DB2
DB9
SB2
DB3
DB10
SB3
C3 (0)
DB11
SB4
C4 (1)
DB12
SB5
DB4
DB13
SB6
CONTROL
BITS
PL1
DB14
SB7
PL2
DB15
SB8
DB5
MATCHING_
TOLERANCE
DB16
SB9
SB10 DB17
SB11 DB18
SB12 DB19
SB13 DB20
SB14 DB21
SB15 DB22
SB16 DB23
SB17 DB24
SB18 DB25
SB19 DB26
SB20 DB27
SB21 DB28
SB22 DB29
SB23 DB30
SYNC_BYTE_SEQUENCE
SB24 DB31
SYNC_BYTE_
LENGTH
स٪ഗ11—ཞօጴॠ֪स٪ഗ
PL2
PL1
SYNC_BYTE_
LENGTH
0
0
1
1
0
1
0
1
12 BITS
16 BITS
20 BITS
24 BITS
0
0
1
1
0
1
0
1
ACCEPT 0 ERRORS
ACCEPT 1 ERROR
ACCEPT 2 ERRORS
ACCEPT 3 ERRORS
07246-041
MATCHING_
MT2 MT1 TOLERANCE
཮74. स٪ഗ11—ཞօጴॠ֪स٪ഗᆙพ
SWD_MODE
LOCK_
THRESHOLD_
MODE
स٪ഗ12—SWD/ពኵยዃस٪ഗ
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
DP7
DP6
DP5
DP4
DP3
DP2
DP1
IL2
IL1
LM2
LM1
C4 (1)
C3 (1)
C2 (0)
C1 (0)
CONTROL
BITS
DP8
DATA_PACKET_LENGTH
DATA_PACKET_LENGTH
0
1
...
255
INVALID
1 BYTE
...
255 BYTES
SWD_MODE
0
1
2
3
SWD PIN LOW
SWD PIN HIGH AFTER NEXT SYNCWORD
SWD PIN HIGH AFTER NEXT SYNCWORD
FOR DATA PACKET LENGTH NUMBER OF BYTES
INTERRUPT PIN HIGH
3
THRESHOLD FREE RUNNING
LOCK THRESHOLD AFTER NEXT SYNCWORD
LOCK THRESHOLD AFTER NEXT SYNCWORD
FOR DATA PACKET LENGTH NUMBER OF BYTES
LOCK THRESHOLD
07246-042
LOCK_THRESHOLD_MODE
0
1
2
཮75. स٪ഗ12—SWD/ពኵยዃस٪ഗᆙพ
໮ۨពኵࣷ໮ۨԈஏॠ֪ഗ‫ڦ‬ពኵăኄᄣ੗ᅜሞ၍Ⴀ঴ۙዐ໮ۨ၌‫ޗ‬ഗLjժሞ๑ᆩ၍Ⴀई၎࠲ഗ঴้ۙ໮ۨAFCࢅAGC࣍
ୟă
Rev. 0 | Page 60 of 64
ADF7021-N
स٪ഗ13—3FSK/4FSK঴ۙस٪ഗ
...
0
0
0
0
.
.
1
...
...
...
...
...
...
...
0
0
0
0
.
.
1
OFF
1
2
3
.
.
127
VM2 VM1
0
1
0
1
DB2
DB1
DB0
C2 (0)
C1 (1)
DB4
ST1
C3 (1)
DB5
ST2
DB3
DB6
C4 (1)
DB7
ST3
CONTROL
BITS
ST4
DB8
DB9
ST5
DB10
DB12
PC1
0
1
0
1
.
.
1
ST6
DB13
VM1
0
0
1
1
.
.
1
ST7
DB14
VM2
3FSK_CDR_
THRESHOLD
DB11
DB15
VT1
VT1
3FSK/4FSK_
SLICER_THRESHOLD
VD1
DB16
VT2
VT2
0
0
1
1
PHASE_
CORRECTION
3FSK_VITERBI_
DETECTOR
DB17
VT3
DB18
DB19
VT4
DB20
VT6
VT7
VT3
VT5
DB21
3FSK_CDR_THRESHOLD
VT7
PTV1 DB22
PTV2 DB23
PTV3 DB24
PTV4 DB25
3FSK_PREAMBLE_
TIME_VALIDATE
VITERBI_
PATH_
MEMORY
ᆶ࠲ኄၵยዃ‫ڦ‬Պ‫ײ‬႑တLj൩֖९“থ๭ऐยዃ”և‫ݴ‬ă
3FSK_VITERBI_
VD1 DETECTOR
0
DISABLED
1
ENABLED
PHASE_
PC1 CORRECTION
0
DISABLED
1
ENABLED
VITERBI_PATH _
MEMORY
4 BITS
6 BITS
8 BITS
32 BITS
ST7
...
ST3
ST2
ST1
SLICER
THRESHOLD
0
0
0
0
.
.
1
...
...
...
...
...
...
...
0
0
0
0
.
.
1
0
0
1
1
.
.
1
0
1
0
1
.
.
1
OFF
1
2
3
.
.
127
3FSK_PREMABLE_
PTV4 PTV3 PTV2 PTV1 TIME_VALIDATE
0
0
0
0
.
.
1
0
0
1
1
.
.
1
0
1
0
1
.
.
1
0
1
2
3
.
.
15
07246-043
0
0
0
0
.
.
1
཮76. स٪ഗ13—3FSK/4FSK঴ۙस٪ഗᆙพ
Rev. 0 | Page 61 of 64
ADF7021-N
PULSE_EXTENSION
TEST_DAC_GAIN
0
1
2
3
0
1
...
15
NO PULSE EXTENSION
EXTENDED BY 1
EXTENDED BY 2
EXTENDED BY 3
TEST_
TDAC_EN
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
TO8
TO7
TO6
TO5
TO4
TO3
TO2
TO1
TE1
C4 (1)
C3 (1)
C2 (1)
C1 (0)
ADDRESS
BITS
TO9
TO10 DB14
TO11 DB15
TO12 DB16
TO13 DB17
TO14 DB18
TO15 DB19
DB21
DB23
TG3
TG1
DB24
TG4
TEST_DAC_OFFSET
TO16 DB20
DB25
ER1
DB22
DB26
LEAKAGE =
2^–8
2^–9
2^–10
2^–11
2^–12
2^–13
2^–14
2^–15
TG2
PULSE_
EXTENSION
DB27
EF1
ED_LEAK_FACTOR
0
1
2
3
4
5
6
7
TEST_DAC_GAIN
ER2
DB29
EF3
DB28
DB30
PE1
EF2
DB31
PE2
ED_LEAK_
FACTOR
ED_PEAK_
RESPONSE
स٪ഗ14—֪๬DACस٪ഗ
NO GAIN
× 2^1
...
× 2^15
ED_PEAK_RESPONSE
FULL RESPONSE TO PEAK
0.5 RESPONSE TO PEAK
0.25 RESPONSE TO PEAK
0.125 RESPONSE TO PEAK
07246-044
0
1
2
3
཮77. स٪ഗ14—֪๬DACस٪ഗᆙพ
ᄲ ഔ ᆩ ঴ ۙ ഗ ۙ ၿ ֖ ຕ PULSE_EXTENSIONĂ
໚඗၎࠲ഗࢅ୳հഗᆯDEMOD CLK༵ࠃ้ዓ႑ࡽLj‫֪ڍ‬
ED_LEAK_FACTORࢅ ED_PEAK_RESPONSELj Ղ Ⴗ ॽ
๬DACၠCDR CLK༵ࠃ้ዓ႑ࡽăጀᅪLj৑࠶֪๬DACሞ
R15_DB[4:7]ยྺ0x9ă
‫ࡀ׉‬ᆩࢽఇ๕ူ੗ᅜ߾ፕLj‫ॽڍ‬CDR CLKሺे‫ڟ‬DEMOD
૧ᆩ֪๬DACઠํแఇెFM DEMODժ֪ଉSNR
CLKೕ୲ईᅜฉ้֍ీइ‫ڥ‬ፌॅႠీăኄዖ൧઄ူCDRఇ
ᆶ࠲๑ᆩ֪๬DAC‫ၘڦ‬൧Lj൩֖९“ᆌᆩԴऻAN-852”ă
֪๬DACሎႹᅜྔև‫ݛ‬๕ֱੂ၍Ⴀࢅ၎࠲ഗ঴ۙഗ‫ࢫڦ‬ዃ
঴ۙഗ୳հഗ๼‫؜‬ă֪๬DAC࣏๑ᆩܾ঩ဃֶ‫ݒ‬ઍΣ-Δገ
੷փ߾ፕă
Պ‫ײ‬स٪ഗ14ഔᆩ֪๬DACă၍Ⴀࢅ၎࠲ഗ/঴ۙഗ๼‫؜‬
‫ۼ‬੗‫ܠ‬ୟްᆩ዁DACă
࣑ഗॽ16࿋୳հഗ๼‫؜‬ገ࣑ྺߛೕĂ‫߲ڇ‬࿋๼‫؜‬ă๼‫؜‬੗
स٪ഗ14ሎႹٗ႑ࡽዐၩ‫ۨࠦأ‬฿ۙၜ(ణ‫ڦ‬๟ሞddt൧઄
ሞSWDᆅগฉֱੂă๢‫୳ړ‬հࢫLjُ႑ࡽ੗ᆩᇀසူ֡
ူၩ‫أ‬ዐೕ‫ݴ‬ଉ)ă໲࣏ᆶᅃ߲႑ࡽሺᅮၜLjᅜሎႹ๑ᆩ
ፕǖ
DAC‫ڦ‬ፌ‫ۯٷ‬ༀ‫ྷݔ‬ă
•
॔੦FSKࢫዃ঴ۙഗ୳հഗ๼‫ڦ܋؜‬႑ࡽLjኄᄣन੗
֪ଉ঴ۙഗ๼‫؜‬SNRăᄺ੗ࠓॺথ๭࿋ୁ‫ڦ‬ᄅ཮ᅜ֪
ଉথ๭႑ࡽዊଉă
•
༵ࠃఇెFM঴ۙă
Rev. 0 | Page 62 of 64
ADF7021-N
DB1
DB0
DB5
RT2
C1 (1)
DB6
RT3
DB2
DB7
RT4
C2 (1)
DB8
TM1
C3 (1)
DB9
TM2
DB3
DB10
ADDRESS
BITS
DB4
DB11
Rx_TEST_
MODES
SD1
Tx_TEST_
MODES
TM3
Σ-Δ_TEST_
MODES
RT1
DB12
CLK_MUX
C4 (1)
DB13
SD2
DB19
CM3
DB14
DB20
PM1
SD3
DB21
PM2
PC1
DB22
PM3
DB15 PFD/CP_TEST_
MODES
DB23
PM4
DB16
DB24
PC2
DB25
AM1
PC3
DB26
AM3
AM2
DB17
DB27
DB18
DB28
FH1
AM4
PLL_TEST_
MODES
CM1
DB29
RD1
ANALOG_TEST_
MODES
CM2
REG 1_PD
FORCE_LD
HIGH
DB30
CO1
CAL_
OVERRIDE
DB31
CO2
स٪ഗ15—֪๬ఇ๕स٪ഗ
CAL_OVERRIDE
0
1
2
3
AUTO CAL
OVERRIDE GAIN
OVERRIDE BW
OVERRIDE BW AND GAIN
PFD/CP_TEST_MODES
0
1
2
3
4
5
6
7
REG1_PD
0
1
NORMAL
PWR DWN
DEFAULT, NO BLEED
(+VE) CONSTANT BLEED
(–VE) CONSTANT BLEED
(–VE) PULSED BLEED
(–VE) PULSE BLD, DELAY UP?
CP PUMP UP
CP TRI-STATE
CP PUMP DN
FORCE_LD_HIGH
0
1
Σ-Δ_TEST_MODES
NORMAL
FORCE
0
1
2
3
4
5
6
7
ANALOG_TEST_MODES
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
BAND GAP VOLTGE
40μA CURRENT FROM REG4
FILTER I CHANNEL: STAGE 1
FILTER I CHANNEL: STAGE 2
FILTER I CHANNEL: STAGE 1
FILTER Q CHANNEL: STAGE 1
FILTER Q CHANNEL: STAGE 2
FILTER Q CHANNEL: STAGE 1
ADC REFERENCE VOLTAGE
BIAS CURRENT FROM RSSI 5μA
FILTER COARSE CAL OSCILLATOR O/P
ANALOG RSSI I CHANNEL
OSET LOOP +VE FBACK V (I CH)
SUMMED O/P OF RSSI RECTIFIER+
SUMMED O/P OF RSSI RECTIFIER–
BIAS CURRENT FROM BB FILTER
DEFAULT, 3RD ORDER SD, NO DITHER
1ST ORDER SD
2ND ORDER SD
DITHER TO FIRST STAGE
DITHER TO SECOND STAGE
DITHER TO THIRD STAGE
DITHER × 8
DITHER × 32
Tx_TEST_MODES
0
1
2
3
4
5
6
NORMAL OPERATION
Tx CARRIER ONLY
Tx +VE TONE ONLY
Tx –VE TONE ONLY
Tx "1010" PATTERN
Tx PN9 DATA, AT PROGRAMED RATE
Tx SYNC BYTE REPEATEDLY
Rx_TEST_MODES
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PLL_TEST_MODES
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
NORMAL OPERATION
R DIV
N DIV
RCNTR/2 ON MUXOUT
NCNTR/2 ON MUXOUT
ACNTR TO MUXOUT
PFD PUMP UP TO MUXOUT
PFD PUMP DN TO MUXOUT
SDATA TO MUXOUT (OR SREAD?)
ANALOG LOCK DETECT ON MUXOUT
END OF COARSE CAL ON MUXOUT
END OF FINE CAL ON MUXOUT
FORCE NEW PRESCALER CONFIG.
FOR ALL N
TEST MUX SELECTS DATA
LOCK DETECT PERCISION
RESERVED
NORMAL
SCLK, SDATA -> I, Q
REVERSE I,Q
I,Q TO TxRxCLK, TxRxDATA
3FSK SLICER ON TxRxDATA
CORRELATOR SLICER ON TxRxDATA
LINEAR SLICER ON RXDATA
SDATA TO CDR
ADDITIONAL FILTERING ON I, Q
ENABLE REG 14 DEMOD PARAMETERS
POWER DOWN DDT AND ED IN T/4 MODE
ENVELOPE DETECTOR WATCHDOG DISABLED
RESERVED
PROHIBIT CALACTIVE
FORCE CALACTIVE
ENABLE DEMOD DURING CAL
CLK MUXES ON CLKOUT PIN
NORMAL, NO OUTPUT
DEMOD CLK
CDR CLK
SEQ CLK
BB OFFSET CLK
SIGMA DELTA CLK
ADC CLK
TxRxCLK
07246-045
0
1
2
3
4
5
6
7
཮78. स٪ഗ15—֪๬ఇ๕स٪ഗᆙพ
•
ॽANALOG_TEST_MODESยྺ11Lj੗ሞTest_Aᆅগ
•
ฉֱੂఇెRSSIă
•
ᄲಖୟCDRఇ੷Lj੗ॽRx_TEST_ MODESยྺ4Ă5ई6
ઠಖୟLjਏ༹๫໯ᆩ঴ۙഗܸۨă
Tx_TEST_MODES੗ᆩઠഔᆩ֪๬ۙ዆ă
Rev. 0 | Page 63 of 64
ADF7021-N
ྔႚ؅٫
7.00
BSC SQ
0.60 MAX
37
36
PIN 1
INDICATOR
TOP
VIEW
12° MAX
48
PIN 1
INDICATOR
1
EXPOSED
PAD
6.75
BSC SQ
4.25
4.10 SQ
3.95
(BOTTOM VIEW)
0.50
0.40
0.30
1.00
0.85
0.80
0.30
0.23
0.18
0.60 MAX
25
24
12
13
0.25 MIN
5.50
REF
0.80 MAX
0.65 TYP
0.05 MAX
0.02 NOM
0.50 BSC
SEATING
PLANE
0.20 REF
COPLANARITY
0.08
‫ࢇޙ‬JEDECՔጚMO-220-VKKD-2
཮79. 48ᆅগLFCSP_VQ‫ހ‬ጎLj
7 mm x 7 mm‫ג‬ԋ༹
(CP-48-3)Lj
؅٫‫ڇ‬࿋ǖmm
۩ࠔኸళ
႙ࡽ
ADF7021-NBCPZ 1
ADF7021-NBCPZ-RL1
ADF7021-NBCPZ-RL71
ADF7021-NDF
EVAL-ADF70XXMBZ21
EVAL-ADF7021-NDBIZ1
EVAL-ADF7021-NDBEZ1
EVAL-ADF7021-NDBZ21
EVAL-ADF7021-NDBZ51
1
࿒‫ྷݔ܈‬
−40°C዁+85°C
−40°C዁+85°C
−40°C዁+85°C
−40°C዁+85°C
‫ހ‬ጎ௮ຎ
48ᆅগLFCSP_VQ
48ᆅগLFCSP_VQ
48ᆅগLFCSP_VQ
ԋఈႊೌ
ೠࠚೝ໼ዷӱ
426 MHz዁429 MHzጱӱ
426 MHz዁429 MHzጱӱ
860 MHz዁870 MHzጱӱ
೅ದ࿮ሜጱӱ
Z = ‫ࢇޙ‬RoHSՔጚ‫ڦ‬ग़ඹഗॲă
©2008 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D07246-0-2/08(0)
Rev. 0 | Page 64 of 64
‫ހ‬ጎ჋ၜ
CP-48-3
CP-48-3
CP-48-3