- 您現在的位置：買賣IC網 > PDF目錄202089 > QT93LW-11-M-155.520MHZ (Q-TECH CORP) CRYSTAL OSCILLATOR, CLOCK, 155.52 MHz, LVDS OUTPUT PDF資料下載
參數資料
| 型號： | QT93LW-11-M-155.520MHZ |
| 廠商： | Q-TECH CORP |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 155.52 MHz, LVDS OUTPUT |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED, MINIATURE, CERAMIC, SMD, 6 PIN |
| 文件頁數： | 5/5頁 |
| 文件大?。?/td> | 255K |
| 代理商： | QT93LW-11-M-155.520MHZ |
55
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com
Q-TECH
CORPORATION
QT93W and QT93P SERIES
HIGH-RELIABILITY LVPECL OR LVDS MINIATURE CLOCK OSCILLATORS
2.5 to 3.3Vdc
-
40MHz to 160MHz
QT93W&P (Revision-,August2008)
45
Hybrid Case
Substrate
Die
D/A epoxy
Heat
Die
R1
D/A epoxy
Substrate
D/A epoxy
Hybrid Case
R2
R3
R4
R5
ThermalCharacteristics
JA
JC
CA
Die
T
C
A
J
CA
JC
(Figure2)
(Figure1)
(Figure3)
Theheattransfermodelinahybridpackageisdescribedin
figure2.
Heatspreadingoccurswhenheatflowsintoamateriallayerof
increasedcross-sectionalarea. Itisadequatetoassumethat
spreadingoccursata45°angle.
Thetotalthermalresistanceiscalculatedbysummingthe
thermalresistancesofeachmaterialinthethermalpath
betweenthedeviceandhybridcase.
RT=R1+R2+R3+R4+R5
ThetotalthermalresistanceRT(seefigure3)betweentheheat
source(die)tothehybridcaseistheThetaJunctiontoCase
(ThetaJC)in°C/W.
Thetajunctiontocase(ThetaJC)forthisproductis35°C/W.
Thetacasetoambient(ThetaCA)forthispartis100°C/W.
ThetaJunctiontoambient(ThetaJA)is135°C/W.
MaximumpowerdissipationPDforthispackageat25°Cis:
PD(max)=(TJ(max)–TA)/ThetaJA
WithTJ=175°C(Maximumjunctiontemperatureofdie)
PD(max)=(175–25)/135=1.11W
PhaseNoiseandPhaseJitterIntegration
Phasenoiseismeasuredinthefrequencydomain,andis
expressedasaratioofsignalpowertonoisepowermeasured
ina1Hzbandwidthatanoffsetfrequencyfromthecarrier,e.g.
10Hz,100Hz,1kHz,10kHz,100kHz,etc. Phasenoisemeas-
urementismadewithanAgilentE5052ASignalSourceAna-
lyzer(SSA)withbuilt-inoutstandinglow-noiseDCpower
supplysource. TheDCsourceisfloatedfromthegroundand
isolatedfromexternalnoisetoensureaccuracyandrepeatabil-
ity.
Inordertodeterminethetotalnoisepoweroveracertain
frequencyrange(bandwidth),thetimedomainmustbe
analyzedinthefrequencydomain,andthenreconstructedin
thetimedomainintoanrmsvaluewiththeunwantedfrequen-
ciesexcluded. ThismaybedonebyconvertingL(f)backto
Sφ(f)overthebandwidthofinterest,integratingandperform-
ingsomecalculations.
ThevalueofRMSjitteroverthebandwidthofinterest,e.g.
10kHzto20MHz,10Hzto20MHz,represents1standarddevi-
ationofphasejittercontributedbythenoiseinthatdefined
bandwidth.
Figure1showsatypicalPhaseNoise/Phasejitterofa
QT93LW,3.3Vdc,100MHzclockatoffsetfrequencies10Hz
to10MHz,andphasejitterintegratedoverthebandwidthof
12kHzto20MHz.
相關PDF資料 |
PDF描述 |
|---|---|
| QT93LW-12-155.520MHZ | CRYSTAL OSCILLATOR, CLOCK, 155.52 MHz, LVDS OUTPUT |
| QT288L-6-S-FREQ3 | CRYSTAL OSCILLATOR, CLOCK, 50 MHz - 70 MHz, LVHCMOS OUTPUT |
| QT288L-9-B-0.500MHZ | CRYSTAL OSCILLATOR, CLOCK, 0.5 MHz, LVHCMOS OUTPUT |
| QT288L-9-B-FREQ3 | CRYSTAL OSCILLATOR, CLOCK, 50 MHz - 70 MHz, LVHCMOS OUTPUT |
| QT288L-9-FREQ1 | CRYSTAL OSCILLATOR, CLOCK, 0.5 MHz - 15 MHz, LVHCMOS OUTPUT |
相關代理商/技術參數 |
參數描述 |
|---|---|
| QT9701B | 制造商:QUANTUM 制造商全稱:QUANTUM 功能描述:CHARGE - TRANSFER CAPACITANCE SENSOR IC |
| QT9701B2 | 制造商:QUANTUM 制造商全稱:QUANTUM 功能描述:CHARGE-TRANSFER CAPACITANCE SENCOR IC |
| QT9701B2-ES | 制造商:QUANTUM 制造商全稱:QUANTUM 功能描述:CHARGE-TRANSFER CAPACITANCE SENCOR IC |
| QT9701B2-IS | 制造商:QUANTUM 制造商全稱:QUANTUM 功能描述:CHARGE-TRANSFER CAPACITANCE SENCOR IC |
| QT9701B2-ISG | 功能描述:接口 - 專用 INTEGRATED-CIRCUIT RoHS:否 制造商:Texas Instruments 產品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
發(fā)布緊急采購，3分鐘左右您將得到回復。