AN-0988: AD9552: 适合网络时钟应用的可编程晶振 (Rev. 0) PDF

AN-0988
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
AD9552ǖ๢ࢇྪஏ้ዓᆌᆩ‫ڦ‬੗Պ‫ײ‬ৗና
ፕኁǖKen Gentile
ຕๆ౎ઠLj࿮‫ت‬փሞ‫็ڦ‬ᆈৗናᅃ኱๟ऺ้ᆌᆩ‫ڦ‬ዷ૰
็ᆈৗናਏᆶߛၿና೗ዊᅺຕLjᅺܸ‫ۨࠦྺׯ‬ೕ୲ና‫ږ‬ഗ
ਬă‫ׯگ‬Ԩࢅ၎‫ܔ‬ডߛ‫ڦ‬࿘ۨႠ๑‫็ڥ‬ᆈৗናሞዚ‫ܠ‬ᆌᆩ
໯ᆩၿናᇮॲ‫ڦ‬टॅԢ჋‫ݛ‬ӄă඗ܸLjනᅮሺ‫ྪڦܠ‬ஏ้
ଶᇘൽ‫ࠀׯڥ‬ă
ዓᆌᆩᄲ൱࿘ۨ‫ڇڦ‬ೕ୲ና‫ږ‬ഗLjᅜՍํ၄փཞྪஏೕ୲
‫ڦ‬ཞօăAD9552৽๟ᅃዖኍ‫ُܔ‬ૌᆌᆩ‫ׯگڦ‬Ԩण‫ׯ‬๕঴
ਦ‫ݛ‬ӄă
PLL
OSCILLATOR
fREF
PHASE
DETECTOR
LOOP
FILTER
FEEDBACK
DIVIDER
(N)
཮1. एᇀPLL‫ڦ‬ฉՎೕഗ
Rev. 0 | Page 1 of 8
fOUT = N × fREF
07918-001
QUARTZ
CRYSTAL
VOLTAGE
CONTROLLED
OSCILLATOR
AN-0988
ᆌᆩԴऻ
ణ୤
ฉՎೕ ............................................................................................... 3
঳ஃ ................................................................................................... 8
AD9552‫ڦ‬ॐࠓ ................................................................................ 4
Rev. 0 | Page 2 of 8
AN-0988
ᆌᆩԴऻ
ฉՎೕ
็ᆈৗ༹ၿናഗ‫ڦ‬ၿናೕ୲၎‫ܔ‬ড‫(گ‬एೕᅃӯ‫گ‬ᇀ50
ᄲ঴ਦኄᅃਆ၌LjኻႴሞ๼‫܋؜‬ದዃ‫߲ܾڼ‬੗Պ‫ݴײ‬ೕ
MHz)Ljኄ‫ܔ‬ᄲ൱๼‫؜‬ೕ୲‫ࡗג‬100 MHz‫ྪڦ‬ஏᆌᆩܸჾ৽
ഗLjස཮2໯๖ă
၂‫ڥ‬փፁକăኄૌᆌᆩᄲ൱߸ߛ‫ڦ‬๼‫؜‬ೕ୲Ljᅪ࿆ጣႴᄲ
ದዃ‫ݴྔܮ‬ೕഗࢫLj๼‫؜‬ೕ୲‫ऺڦ‬໙ࠅ๕සူǖ
ӝৗና၎‫ܔ‬ড‫ڦگ‬๼‫؜‬ೕ୲ገ࣑‫ڦߛ߸ׯ‬ೕ୲Ljኄᅃࡗ‫ײ‬
ᅃӯ‫ྺ׬‬ฉՎೕăፌ‫׉‬ᆩ‫ڦ‬ฉՎೕ‫݆ݛ‬ኮᅃ๟‫ݒ‬ઍୟ০ዐ
fO = (N/P) × fREF
ᆶ‫ݴ‬ೕഗ‫ڦ‬໮၎࣍(PLL)(९཮1)ă๼‫؜‬ೕ୲(fO)‫ऺڦ‬໙ࠅ๕
ഄዐPྺ๼‫ݴ؜‬ೕഗኵă
සူǖ
཮2໯๖ॐࠓ੗ᅜํ၄ডྺࢇ૙‫ڦ‬fOUT/fREFԲ(नLjኝຕ‫أ‬ᅜ
fO = N × fREF
ኝຕ)ăُྔLjැP > NLjሶfOUTၭᇀfREFLjኄ੗ᅜਖ਼‫ޜ‬ฉຎඍ
‫ۅ‬ă൩ጀᅪLjሞമᅃॐࠓ(཮1)ዐLjᅺྺNྺኝຕLj໯ᅜ
ഄዐǖ
fOUTᇑfREFኮक़٪ሞՂ඗‫ڦ‬ၿհ࠲ဣăႎॐࠓ(཮2)‫ټ‬ઠ‫ڦ‬ᅃ
Nྺ‫ݴ‬ೕഗኵă
fREFྺ๼෇ೕ୲ă
ၜ‫تࡻྔܮ‬๟ၩ‫أ‬କኄዖၿհ၌዆ăሞৗና(ܸփ๟PLL)‫ڦ‬
ᅃӯܸჾLjྺକ৑੗ీ३ณ๼‫؜‬ೕ೷ዐ‫ڦ‬ሗොLj࣍ୟ୳հ
ኄዖದዃᅪ࿆ጣPLL‫ڦ‬ยऺՂႷ๢ᆌᅃဣଚ๼෇ೕ୲Ljܸ
ഗ‫੻ټڦ‬၎‫ܔ‬ড቏ăُྔLjཚࡗ߀ՎN‫ڦ‬ኵLjPLLฉՎೕ
‫ڇݥ‬ᅃৗናೕ୲ă
๼‫܋؜‬ದዃ‫ݴ߲ܾڼ‬ೕഗᄺ੗ᅜׂิཞᄣ‫ڦ‬঳ࡕăփࡗLj
ഗ੗ᅜ঴ਦ‫ڇ‬ᅃೕ୲ᇸ(न็ᆈৗና)ׂิփཞ๼‫؜‬ೕ୲‫ڦ‬
ሞඪࢆᆌᆩዐLj཮2‫ڦ‬ॐࠓ਩ీ๑N/PԲ୲‫ࢇޙ‬໯Ⴔ‫ڦ‬๼‫؜‬
࿚༶ăසࡕৈᄲ൱‫ݒ‬ઍ‫ݴ‬ೕഗ༵ࠃኝຕ‫ݴ‬ೕဣຕLjఫ஺ُ
ॐࠓԲডඹᅟํ၄ă
/๼෇ೕ୲Բă޿ॐࠓ‫ڦ‬ଳऄ‫܈ײ‬ൽਦᇀNࢅP‫ྷݔڦ‬Ljन
཮1໯๖ॐࠓ‫ڦ‬ඍ‫ۅ‬๟๼‫؜‬ೕ୲ՂႷ‫ڪ‬ᇀई‫ٷ‬ᇀfREFă
ํाट၌LjᅺྺN‫ྷݔڦ‬ਦۨକ‫ۉ‬უ੦዆ና‫ږ‬ഗ(VCO)໯
NࢅP‫ྷݔڦ‬ሁ‫ٷ‬Lj঴ਦ‫ݛ‬ӄሁଳऄă‫ڍ‬๟LjN‫ྷݔڦ‬٪ሞ
Ⴔ‫ڦ‬ೕ୲‫ྷݔ‬ăVCO‫ྷݔڦ‬ሁ੻LjሞփဎึႠీ‫ڦ‬൧઄ူ
ยऺVCOࣷሁઓవă
PLL
OSCILLATOR
fREF
PHASE
DETECTOR
LOOP
FILTER
FEEDBACK
DIVIDER
(N)
཮2. एᇀPLL‫ڦ‬ฉՎೕഗLj‫ټ‬๼‫ݴ؜‬ೕഗ
Rev. 0 | Page 3 of 8
OUTPUT
DIVIDER
(P)
fOUT = (N/P) × fREF
07918-002
QUARTZ
CRYSTAL
VOLTAGE
CONTROLLED
OSCILLATOR
AN-0988
ᆌᆩԴऻ
AD9552‫ڦ‬ॐࠓ
AD9552֑ᆩକ཮2‫ڦ‬एԨॐࠓLj‫ڍ‬ਏᆶᅃ߲ీࠕ༵ࠃၭຕ
AD9552ᆶ2ፇࠌ9߲ದዃᆅগLjᅃፇ3߲(ᆅগA0዁ᆅগ
‫ݴ‬ೕኵ‫ݒڦ‬ઍ‫ݴ‬ೕഗăAD9552०ࣅ઀཮ස཮3໯๖ă
A2)Ljᅃፇ6߲(ᆅগY0዁ᆅগY5)ăAᆅগٗ8߲ᇨۨᅭएጚ
ೕ୲(९՗1)ዐ჋ስ1߲ೕ୲LjYᆅগٗ64߲๼‫؜‬ೕ୲(९՗
AD9552༵ࠃଇዖՊ‫ݛײ‬๕ăᅃዖ๟ཚࡗ‫ز‬ႜཚრ‫܋‬੨Lj੗
2)ዐ჋ስ1߲ೕ୲ăದዃᆅগࣷጲ‫ۯ‬ยዃࢇ๢‫ాڦ‬և‫ݴ‬ೕഗ
ᅜ‫ܔ‬ഗॲ৊ႜยዃăଷᅃዖ๟ཚࡗದዃ჋ስᆅগLjᆩࢽኻ
ኵLjܸٗሞOUT1‫ิׂت‬ೕ୲Ljස՗2໯๖ă
ႴཚࡗᆅগӿۨยԢन੗ሞᅃፇᇨۨᅭ‫׉ڦ‬ᆩྪஏ้ዓೕ
୲ዐ჋ስᅃ߲ೕ୲(੗ీ࿮Ⴔ‫ز‬ႜཚრ)ă
SPI PORT
CONFIGURATION
SELECTION PINS
SERIAL PORT
CONTROLLER
REGISTER
BANK
N, F, M, P0, P1
PIN-SELECTED
DIVIDER VALUES
Σ-Δ
MODULATOR
÷ (N + F/M)
DETECTOR
PFD/
CHARGE
PUMP
3350MHz TO
4050MHz
VCO
REF
÷ P0
÷ P1
4 TO 11 1 TO 63
OUT1
1 TO 63
÷ P2
2×
OUT2
QUARTZ CRYSTAL
RESONATOR
LOOP FILTER
཮3. AD9552ৗናࢅฉՎೕഗ
՗1. ᆅগӿۨ‫ڦ‬एጚೕ୲
A2
A1
A0
एጚೕ୲(MHz)
0
0
0
10.00
0
0
1
12.00
0
1
0
12.80
0
1
1
16.00
1
0
0
19.20
1
0
1
19.44
1
1
0
20.00
1
1
1
26.00
Rev. 0 | Page 4 of 8
07918-003
DCXO
AN-0988
ᆌᆩԴऻ
՗2. ᆅগӿۨ‫ڦ‬๼‫؜‬ೕ୲
Y5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Y4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Y3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Y2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Y1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Y0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
๼‫(؜‬MHz)
51.84
54
60
61.44
62.5
66.666
74.17582
74.25
77.76
98.304
100
106.25
120
125
133
155.52
156.25
159.375
161.1328125
10518.75/64
155.52(15/14)
155.52(255/237)
167.6616
177.7371
245.76
250
311.04
320
400
433.925
531.25
537.6
Y5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Y4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Y3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Y2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Y1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Y0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
๼‫(؜‬MHz)
569.1964
622.08
624.7048
625
622.08(239/237)
629.9878
640
641.52
625(66/64)
657.421875
657.421875(239/238)
622.08(15/14)
669.1281
622.08(255/237)
625(15/14)
670.8386
622.08(255/236)
625(66/64)(15/14)
625(255/237)(66/64)
693.75
622.08(253/226)
657.421875(255/238)
657.421875(255/237)
716.5372
718.75
719.7344
748.0709
750
777.6
779.5686
781.25
625(10/8)(66/64)
໚඗ԨᆌᆩԴऻ‫ڦ‬ԝৠ๟࠲ᇀ๑ᆩৗ༹ၿናഗLj‫ڍ‬AD9552
ၭຕ‫ݴ‬ೕ‫تࡻڦ‬ሞᇀǖ‫ܔ‬ᇀߴۨ‫ڦ‬एጚೕ୲Ljၭຕ‫ݴ‬ೕ੗
࣏༵ࠃଷᅃዖ๼෇ᇸăᆩࢽ੗ᅜփ๑ᆩৗ༹ၿናഗLjܸ๟
ᅜׂิ߸੻‫ڦ‬VCO๼‫؜‬ೕ୲჋ስ‫(ྷݔ‬ሞVCO‫)ా੻ټڦ‬ă
ॽ‫܋ڇ‬CMOS้ዓ႑ࡽ኱থ૶থ዁AD9552‫ڦ‬REF๼෇ᆅ
ኄ๟ᅺྺ‫ܔ‬ᇀኝຕPLLLjfVCO/fREFԲ୲ՂႷ๟ኝຕ(N)Lj‫ܔڍ‬
গă
ᇀၭຕPLLLj޿Բ୲੗ᅜ๟ၭຕኵ(N + F/M)Ljኄᄣ৽ᆶକᅃ
AD9552༵ࠃଇ߲๼‫้؜‬ዓ႑ࡽLjOUT1ࢅOUT2ăOUT1๟
ፇ߸࠽‫ڦݘ‬ೕ୲Բ੗ࠃ჋ስă
ዷ๼‫؜‬ăOUT2๟‫ޤ‬ዺ๼‫؜‬Lj੗Պ‫ྺײ‬OUT1‫ڦت‬ೕ୲‫ڦ‬ኝ
૩සLj्ۨVCO‫ྺྷݔ‬800 MHz዁1000 MHzժ൐fREFྺ25MHză
ຕ‫ݴ‬ೕईኁྺPLL‫ڦ‬६ೕ६၎ഗ(PFD)๼‫ڦ܋؜‬ೕ୲ă
‫ܔ‬ᇀኝຕPLLLjྸᅃ੗ీ‫ڦ‬VCO๼‫؜‬ೕ୲ྺ800 MHz዁1000
AD9552‫ݒڦ‬ઍ‫ݴ‬ೕഗ༵ࠃၭຕ‫ݴ‬ೕLjཞ้ᄺ༵ࠃኝຕ‫ݴ‬
ೕăၭຕ‫ݴ‬ೕਏᆶ၂ዸ‫ڦ‬ଳऄႠLjᅺྺೕ୲Բ૩ᅺጱ‫ڦ‬ႚ
๕ྺN + F/M(ഄዐF/M < 1)Ljܸփ‫ڇ‬๟ස཮1໯๖‫ڦ‬Nă
MHz(25 MHzօ৊)(‫ܔ‬ᆌNኵྺ32዁40)ăܸၭຕPLLኧ‫׼‬800
MHzᇑ1000 MHzኮक़‫ڦ‬ඪࢆ๼‫؜‬ೕ୲LjኻᄲF/Mၭຕਏᆶ
Ղᄲ‫ݴڦ‬Ր୲ăሞAD9552ዐLjFࢅM‫ڦ‬ၭຕ‫ݴ‬Ր୲‫ۼ‬၌዆
ሞ20࿋Ljኄ੗ᅜׂิ1/1,048,575‫ݴڦ‬Ր୲ăᆩࢽ੗ᅜྺFࢅ
Mยዃ20࿋‫ڦ‬ኵLjׂܸٗิᅃፇ‫ڦݘ࠽׉ݥ‬੗ీ๼‫؜‬ೕ
୲ă
Rev. 0 | Page 5 of 8
AN-0988
ᆌᆩԴऻ
AD9552‫ڦ‬ၭຕ‫ݒ‬ઍ‫ݴ‬ೕഗतഄ๼‫ݴ؜‬ೕഗ(P0ࢅP1)ׂิዷ
ᅺሞᇀSDMీࠕॽሗොీଉᅎ዁‫ྔټ‬ፁࠕᇺ‫ݛںڦ‬Lj๑୳
๼‫؜‬ೕ୲(fOUT1)Ljऺ໙ࠅ๕සူǖ
հ၎‫ܔ‬ডྺඹᅟă཮4ࢅ཮5၂๖କᆅগӿۨAD9552‫ํڦ‬ा
၎࿋ሯำ֪ଉLjኄ૛LjAD9552๑ᆩ26MHzৗ༹ၿናഗׂ
fOUT1 = [(N + F/M)/(P0 × P1)] × fPFD
ิ625MHz๼‫؜‬ă
AD9552‫ޤڦ‬ዺ๼‫؜‬ೕ୲(fOUT2)ྺ
཮4໯๖‫ڦ‬၎࿋ሯำ཮՗๖AD9552‫ڦ‬࿄୳հ๼‫؜‬ժ၂๖କ
fOUT2 = fOUT1/P2ईfOUT2 = fPFD
ഗॲ‫ڦ‬ᇱ๔Ⴀీă൩ጀᅪLj1 MHzᇑ100 MHzኮक़‫ڦ‬ሗො‫ׯ‬
ਏ༹ൽਦᇀ჋ስ‫ڦ‬OUT2႑ࡽᇸă
‫܈ޗڦݴ‬ሀྺ−60 dBc዁−90 dBcăSONET OC-192‫(ټ‬50 kHz
ሞฉຎ‫ڪ‬๕ዐLjߵ਍๟‫ޏ‬๑ీ2×ԠೕഗLjfPFD = fPFDईfPFD= 2
× fPFDă
‫ܔ‬ᇀၭຕ‫ݴ‬ೕLj‫ݒ‬ઍ‫ݴ‬ೕഗཚ‫׉‬ൽᅃ߲ኝຕኵ(૩සQ)Lj
‫ڍ‬ዜ೺Ⴀ߀ྺQ + 1Ljᅜ๑ೝ਩‫ݴ‬ೕԲྺ໯Ⴔၭຕኵă“ዜ೺
Ⴀ”ᅃَᆶዘᄲᅪᅭLj՗๖๼‫؜‬ೕ೷ዐ٪ሞփଆ‫ڦ‬ሗොሯ
ᅼăྺକ३ൟཚ‫׉‬ᆯၭຕ‫ݴ‬ೕഗᆅഐ‫ڦ‬ሗොሯᅼLjAD9552
๑ᆩాዃ࿁ໜऐܾ৊዆Ⴞଚ(PRBS)݀ิഗ‫ڦ‬Σ-Δۙ዆ഗ
(SDM)ઠ‫ݴ‬ොሗොీଉăሞ‫ݒ‬ઍ‫ݴ‬ೕഗዐፇࢇ๑ᆩSDMࢅ
PRBS݀ิഗీ༵ࠃ؊ፁ‫ڦ‬ሗොሯᅼᅞ዆Lj஢ፁႹ‫ྪܠ‬ஏ้
ዓᆌᆩ‫ڦ‬ᄲ൱ă
዁80 MHz)ฉׂิ‫ڦ‬਩‫ߵݛ‬۶‫ۯ‬ኵྺ0.74 psăܸ୳‫أ‬ሗොሯ
ᅼ(९཮5)ࢫ੗ׂิ0.51 ps‫ڦ‬਩‫ߵݛ‬۶‫ۯ‬ኵă໚඗཮ዐ࿄၂
๖Lj‫ڍ‬SONET OC-3‫(ټ‬12 kHz዁20 MHz)ฉ‫֪ڦ‬ଉ঳ࡕ၂
๖Ljփஃ֪ଉዐ๟‫ޏ‬ԈઔሗොሯᅼLj਩‫ߵݛ‬۶‫ۯ‬ኵ਩ྺ
0.65 psă
ሞOC-3ࢅOC-192ೕ‫ټ‬ዐ‫ܔ‬ԈࡤࢅփԈࡤሗො‫ڦݴׯ‬਩‫ݛ‬
ߵ۶‫ۯ‬ኵ৊ႜԲডLj՗௽‫ُܔ‬༬ۨᆌᆩܸჾ(๑ᆩ26MHz
ৗ༹ࢇ‫ׯ‬625MHz๼‫؜‬႑ࡽ)Ljሞ1 MHz዁10 MHz‫؜ాྷݔ‬
၄‫ڦ‬ሗො‫ܔ‬਩‫ߵݛ‬۶‫ۯ‬Ⴀీுᆶ၂ዸᆖၚăAD9552‫ܔ‬1
MHz዁10 MHz‫؜ాྷݔ‬၄‫ڦ‬ሗොഐ‫ڟ‬ᅞ዆ፕᆩLj๑ഄփࣷ
‫ܔ‬਩‫ߵݛ‬۶‫ۯ‬Ⴀీׂิ޶௬ᆖၚă
໚඗AD9552ׂิᅃၵሗොሯᅼLj၌዆କഄፕྺཚᆩৗና༺
‫پ‬ഗॲ‫ڦ‬๑ᆩॏኵLj‫ڍ‬໲ධ඗‫׉ݥ‬๢ࢇྪஏ้ዓᆌᆩăᇱ
Rev. 0 | Page 6 of 8
AN-0988
ᆌᆩԴऻ
07918-004
RMS Jitter: 736.208 fsec
཮4. AD9552၎࿋ሯำ֪ଉ
Rev. 0 | Page 7 of 8
AN-0988
ᆌᆩԴऻ
07918-005
RMS Jitter: 506.501 fsec
཮5. AD9552၎࿋ሯำLjփԈࡤሗොሯᅼ
঳ஃ!
޿༬ۨᆌᆩ(๑ᆩ26MHzৗ༹๼‫؜‬625MHz)‫֪ڦ‬ଉ঳ࡕ՗
Բ‫ڦ‬ሗො‫ݴׯ‬Ljᅜඓۨ๟‫ޏ‬Ⴔᄲ৊ႜࢫዃ୳հăසࡕႴᄲ
௽LjAD9552஢ፁOC-3ೕ‫ټ‬ฉ‫ڦ‬0.65 ps਩‫ߵݛ‬۶‫ۯ‬ᄲ൱Lj࿮
ྔև୳հLjሶՂႷඓۨ๢ࢇ‫୳ڦ‬հഗ֖ຕ(Բස‫੻ټ‬Ăፆ‫ټ‬
Ⴔ‫ྔܮ‬৊ႜ๼‫؜‬႑ࡽ୳հăଷྔLj๑ᆩྔև୳հഗᅞ዆
ປ३ࢅ֭෇໦ࡼ)Ljᅜํ၄໯Ⴔ‫ڦ‬۶‫ۯ‬Ⴀీă
1MHz‫ྷݔ‬ᅜྔ‫ڦ‬ሗොLjᆌ޿੗ᅜሞOC-192ೕ‫ټ‬ฉํ၄ૌ
໚඗AD9552փ๟ྪஏ้ዓᆌᆩ‫ྸڦ‬ᅃ঴ਦ‫ݛ‬ӄLj‫ڍ‬ഄଳऄ
ຼ‫ڦ‬਩‫ߵݛ‬۶‫ۯ‬Ⴀీ(~0.6 ps)ă૩සLj੗ᅜ๑ᆩ‫੻ټ‬2 MHzĂ
ႠĂߛ੗੍ႠĂᅟᆩႠࢅ‫ׯڦ૸گ‬Ԩ௽၂ᆫᇀഄ໱঴ਦ‫ݛ‬
ᅜ625 MHzྺዐ႐‫ڦ‬SAW୳հഗă
ӄă
๑ᆩփཞ๼‫؜‬/๼෇ೕ୲Բ‫ڦ‬ᆌᆩਏᆶᅃፇփཞ‫ڦ‬ሗොሯ
ᅼăᅺܸLjড௽዇‫ڦ‬ፔ݆๟‫ݴ‬ဆᆌᆩዐ௅ᅃ๼‫؜‬/๼෇ೕ୲
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AN07918-0-7/09(0)
Rev. 0 | Page 8 of 8
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