AN-1051: AD9552振荡器上变频器参考设计 (Rev. 0)

AN-1051
ᆌᆩԴऻ
One Technology Way t P.O. Box 9106 t Norwood, MA 02062-9106, U.S.A. t Tel: 781.329.4700 t Fax: 781.461.3113 t www.analog.com
AD9552ና‫ږ‬ഗฉՎೕഗ֖੊ยऺ
ፕኁǖKen Gentile
०঻
ฉ‫ڦ‬ഄ໱ᇮॲৈྺ‫ޤ‬ዺॲă૩සLjፑฉঙ‫ڦ‬P1ৈᆩᇀॽ‫ۉ‬
AD9552๟ᅃዖ‫ׯگ‬ԨĂ੗Պ‫ײ‬ഗॲLjথ๭‫گ‬ೕ๼෇႑ࡽ
ᇸ)3.3V*૶থ৊‫ۉ‬ୟӱăཞ૙Ljᆸူঙ‫ڦ‬J1ĂT1ĂC4Ă
)ሀ10 MHz዁70 MHzኮक़*ժॽഄฉՎೕྺߛೕ๼‫؜‬႑ࡽ)੗
C5ĂR11ࢅR12‫ڪ‬ᇮॲৈ๟ྺକՍᇀ֪ଉAD9552‫ڦ‬๼‫؜‬႑
‫ٳ‬900 MHz*ăԨᆌᆩԴऻ༵ࠃAD9552‫ڦ‬ᅃዖ֖੊ยऺLjഄ
ࡽăP1ᆸ֨‫ڦ‬ਸ࠲(SST)๟ዘഔAD9952‫ޤڦ‬ዺ๮܎)༺‫پ‬ਸ
ዐԈઔ๼‫؜‬႑ࡽ‫ڦ‬Ⴀీ֪ଉLjኤ௽କAD9552)त໯ᆶՂᄲ
ऐዘഔ*ăᆇຘ‫ۉ‬ୟӱ‫֨ڹ‬ৈᆶब߲ᆩᇀথ‫ں‬ཌ၍‫ࡰڦ‬ಎ
‫ڦ‬ኧ‫׼‬ᇮॲ*๢ࢇ9 mm × 14 mmၭ؅٫঴ਦ‫ݛ‬ӄLj޿؅٫ᇑ
)0 Ω‫ۉ‬ፆ*Ljᅜ‫ݛ‬ՍAD9552‫ڦ‬ᆅগՊ‫ײ‬ăԨ֖੊ยऺ໯ࡤ‫ڦ‬
၄ᆶ‫ڦ‬ᅃၵና‫ږ‬ഗ‫ހ‬ጎ؅٫၎ཞăᆶ࠲AD9552༬Ⴀࢅࠀీ
ཌ၍ৈᆩᇀํ၄փཞ‫ڦ‬ৗ༹ૌ႙ई๼‫؜‬ೕ୲ăዕ‫܋‬ᆩࢽ‫ڦ‬
‫ܠ߸ڦ‬႑တLj൩֖९AN-0988ă
ᆌᆩዐᅃӯ֑ᆩᅃዖৗ༹ૌ႙ࢅᅃ߲ࠦۨ๼‫؜‬ೕ୲ăᅺ
ᆇຘ‫ۉ‬ୟӱ
ُLjዕ‫܋‬ᆩࢽ‫ۉڦ‬ୟӱփႴᄲཌ၍ăᆩࢽ੗ᅜཚࡗ၎ᆌ‫ڦ‬
཮1໯๖ྺ1” × 1.25” ‫੊֖ڦ‬ยऺ‫ۉ‬ୟӱቷೌă൩ጀᅪLjີ
ᆇ‫ڦ‬9 mm × 14 mmਈႚ൶ᇘాԈઔᅜူև‫ݴ‬ǖ
•
AD9552
•
ᅃ߲ৗ༹ၿናഗ
•
‫ۉ‬ᇸಖୟ‫ۉ‬ඹ
•
PLL࣍ୟ୳հഗᇮॲ
Պ‫ײ‬ᆅগॽཟጽ၍኱থথ‫ں‬Ljߵ਍ਏ༹ᆌᆩ჋ስ໯Ⴔ‫ڦ‬ৗ
༹ೕ୲ࢅ๼‫؜‬ೕ୲ă
Ԩ֖੊ยऺዐ๑ᆩ19.44 MHz‫ڦ‬ৗ༹ၿናഗLjOUT1‫ڦت‬
AD9552ᆅগՊ‫ྺײ‬625 MHză൩ጀᅪLjኄຫ௽AD9552ీࠕ
ํ၄‫ݥ‬ኝຕೕ୲ገ࣑)๼෇19.44 MHzLj๼‫؜‬625 MHz*ăُ
ྔLjԨยऺ֑ᆩఐණ‫ڦ‬๼‫؜‬ൻ‫ۯ‬ഗ֡ፕఇ๕(LVPECL)ă
08639-001
ᅜฉ๟ࠓ‫ׯ‬ና‫ږ‬ഗฉՎೕഗ໯Ⴔ‫ڦ‬໯ᆶᇮॲăᆇຘ‫ۉ‬ୟӱ
཮1. AD9552֖੊ยऺᆇຘ‫ۉ‬ୟӱ
Rev. 0 | Page 1 of 4
AN-1051
ᆌᆩԴऻ
ᆇຘ‫ۉ‬ୟӱྺ4֫ӱLj֑ᆩՔጚFR4֌ଙă‫֫ڹࢅ֫ۥ‬ᆩᇀ
႑ࡽ֫Ljዐक़ଇ֫ྺ‫ۉ‬ᇸ֫(VDD)ࢅথ‫(֫ں‬GND)‫ڦ‬ཟ
֫ă
ྺඓԍፌॅႠీLjಖୟ‫ۉ‬ඹᆌ৑੗ీ੍ৎAD9552ăُྔLj
ፌࡻ๑ᆩଇ߲ࡗ੥)नཚ੥*ॽ߳ಖୟ‫ۉ‬ඹ‫ڦ‬থ‫ࡰں‬ಎ૶থ
‫ڟ‬থ‫֫ں‬Ljܸփᆌৈ๑ᆩᅃ߲ࡗ੥ăኄ३ณକಖୟ‫ۉ‬ඹ‫ڟ‬
থ‫ߌۉ૴زڦ֫ں‬Ljܸٗ߀฀କᇑথ‫ߛڦ֫ں‬ೕ᳘ࢇă)९
཮2*ă
08639-002
DOUBLE
VIAS
཮2. ມࡗ੥ᆇຘ‫ۉ‬ୟӱ‫֫ۥ‬
Rev. 0 | Page 2 of 4
AN-1051
ᆌᆩԴऻ
ᇱ૙཮
ྺକՍᇀ֪ଉOUT1‫ڦت‬႑ࡽLj޿ഗॲॽೝ࢚޶ሜ(50 Ω)‫૶෇ڞ‬থ዁ཞዡ‫ۉ‬મ૶থഗ‫ڦ‬1:1Վუഗ)९཮3*ă
T1
0
= PIN PROGRAMMING JUMPERS
J1
3
4
24.9
2
5
0.1μF
1
OUT
6
1:1
0.1μF
24.9
3.3V
0.47μF
0
GND
OUT1
OUT1
Y0
VDD
0
0
22
A1
AD9552
A2
TOP VIEW
(Not to Scale)
VDD
LOCKED
LDO
VDD
VDD
10
11
12
13
14
15
19
0.47μF
18
3.3V
0.1μF
17
0.47μF
12nF
CRYSTAL
3.3V
LDO
20
16
0
9
3.3V
0.1μF
RESET
LDO
21
3.3V
P1
VDD
08639-003
8
OUT2
FILTER
7
24
A0
OUTSEL
0.1μF
6
25
23
SDIO
NC
3.3V
5
26
OUT2
SCLK
0
SST
4
27
Y5
CS
0
3
28
GND
REF
0
2
29
PIN 1
INDICATOR
Y4
XTAL
0
1
XTAL
0
30
Y2
31
Y3
32
Y1
0
0.1μF
GND
Figure 3. Schematic Diagram
Ⴀీ֪ଉ
Ⴀీ֪ଉԈઔAgilent Technologies E5052B႑ࡽᇸ‫ݴ‬ဆᅏ֪‫ڦڥ‬ມ၎࿋ሯำ൸၍)֖९཮4ࢅ཮5*LjᅜतSchwarz FSQ-26႑ࡽ‫ݴ‬
ဆᅏ֪‫ڦڥ‬ೕ೷൸၍)९཮6*ă֪ଉยዃԈઔᅃ߲૶থ዁P1‫ڦ‬3.3V኱ୁ‫ۉ‬ᇸࢅᅃߵ૶থJ1ᇑ֪ଉᅏഗ‫ڦ‬ཞዡ‫ۉ‬મă
Rev. 0 | Page 3 of 4
AN-1051
ᆌᆩԴऻ
0
঳ࡕ‫ݴ‬ဆ
RMS JITTER
12kHz TO 20MHz: 726fs
50kHz TO 80MHz: 524fs
4MHz TO 80MHz: 112fs
–20
཮5ዐ‫ڦ‬၎࿋ሯำ཮)ሗො=ਸ*၂๖କೋᅎೕ୲ྺ19.44 MHz
(19.44 MHzৗ༹ၿናഗ‫ڦ‬঳ࡕ*‫ڦ‬Ԡຕ้‫ڦ‬ሗොሯᅼă඗
–40
ܸLjrms۶‫ۯ‬ኵ՗௽Ljሗොሯำ‫׉ݥ܈ޗ‬ၭLj‫ܔ‬๑ᆩ12
dBc/Hz
–60
kHz዁20 MHzओ‫ڦټݴ‬ᆌᆩுᆶᆖၚLjᅺྺ཮4ࢅ཮5ሞُ
–80
‫ټ‬ฉৈ၎ֶ4fsă
–100
‫ڍ‬๟Ljሗො=ਸ้Lj50 kHz዁80 MHzओ‫ڦټݴ‬۶‫ۯ‬Ⴀీ
–120
ই‫گ‬କ170fsLj4 MHz዁80 MHzओ‫ڦټݴ‬۶‫ۯ‬Ⴀీই‫گ‬କ
–140
100
1k
10k
100k
FREQUENCY (Hz)
1M
10M
100M
08639-004
361fsăࢫኁႠీኮ໯ᅜ‫ޗٷ‬ই‫)گ‬۶‫ۯ‬ሺे322%*Lj๟ᅺྺ
–160
10
཮4. 625 MHz้‫ڦ‬၎࿋ሯᅼ)ሗො=࠲*
๟ໜऐ‫ڦ‬ă
ೕ೷཮)཮6*၂๖କᅜ625 MHzྺዐ႐‫ڦ‬๼‫؜‬႑ࡽLj֪ଉ‫ݔ‬
ྷྺ50 MHză൩ጀᅪLjሯ‫ڹ‬၎‫ܔ‬ড‫)گ‬ሀ−90 dBmLj‫ݴ‬Ր‫ټ‬
0
੻ྺ3 kHz*Ljժ൐ᆶଇ‫ت‬ሗො࿋ᇀ625 MHzሜհඪᅃ֨‫ڦ‬
RMS JITTER
12kHz TO 20MHz: 730fs
50kHz TO 80MHz: 694fs
4MHz TO 80MHz: 473fs
–20
19.44 MHz‫ت‬Lj‫܈ޗ‬ሀྺ−70 dBcă
–40
dBc/Hz
4 MHz዁80 MHzओ‫ټݴ‬ዐ‫ڦ‬၎࿋ሯำీଉ๟ሗො‫ڦ‬Ljܸփ
ኄၵ֖੊ሗො๟ᆯৗ༹ၿናഗ‫ڦ‬19.44 MHz๼෇ೕ୲ᆅഐ
–60
‫ڦ‬ăኄၵሗො๟PLLࠀీ‫ڦ‬ኟ‫׉‬঳ࡕă֖੊ሗො‫܈ޗڦ‬ᇑ
–80
၎‫ܔ‬ᇀ֖੊ೕ୲‫ڦ‬PLL࣍ୟ୳հഗ‫੻ټ‬኱থ၎࠲ăAD9552
–100
࣍ୟ୳հഗ‫ڦ‬Ք‫ྺ੻ټ׬‬100 kHzLj੗ॽ֖੊ሗො३ณ዁−
70 dBc‫ྷݔڦ‬ă
–120
໚඗֖੊ሗොतഄ၎࠲ၿհࣷই‫ټ੻گ‬۶‫ۯ‬ႠీLj‫ڍ‬Ⴔᄲ
–160
10
100
1k
10k
100k
FREQUENCY (Hz)
1M
10M
100M
08639-005
–140
‫ټ੻گ‬۶‫ڦۯ‬ᆌᆩ੗ཚࡗଇዖ‫݆ݛ‬३ൟኄዖᆖၚă‫ڼ‬ᅃዖ
‫݆ݛ‬๟༵ࠃ๼‫؜‬႑ࡽ‫ټڦ‬ཚ୳հăሞُ൧઄ူLj๑ᆩᅜ
625 MHzྺዐ႐‫ڦ‬20 MHz‫ټ‬ཚ୳հഗీࠕ၂ዸ३ณ੻‫ټ‬ሗ
཮5. 625 MHz้‫ڦ‬၎࿋ሯᅼ)ሗො=ਸ*
ො‫ݴׯ‬Ljܸ༵ٗߛ੻‫ټ‬۶‫ۯ‬Ⴀీă‫ܾڼ‬ዖ‫݆ݛ‬๟๑๼‫؜‬႑
REF 0dBm
*ATT 20dB
*RBW 3kHz DELTA 1 [T1]
VBW 10kHz
–70.33dB
–19.471153846MHz
1 SWT 5.6s
MHz)සຕӥkHz*ă޿‫ܾڼ‬PLL୳‫࣍أ‬ୟ‫ټ੻ڦྔ੻ټ‬ሗො
႑ࡽ)ሞُྺ֖੊ሗො*Ljܸٗᆶၳ؊‫ړ‬۶‫ۯ‬ൣ‫أ‬PLLă
MARKER 1 [T1]
–1.01dBm
625.000000000MHz
–10
ࡽ‫ܾڼࡗح‬PLLLjഄೕ୲ገ࣑Բྺ1:1൐࣍ୟ‫੻ټ‬ᇺ‫گ‬ᇀ20
–20
–30
–40
–50
–60
–70
1
–90
CENTER 625MHz
5MHz/
SPAN 50MHz
08639-006
–80
཮6. ๼‫؜‬႑ࡽೕ೷
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AN08639-0-11/09(0)
Rev. 0 | Page 4 of 4
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