- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄202071 > QT957S-6-M-FREQ1 (Q-TECH CORP) CRYSTAL OSCILLATOR, SINE OUTPUT, 0.00001 MHz - 1 MHz PDF資料下載
參數(shù)資料
| 型號(hào)： | QT957S-6-M-FREQ1 |
| 廠商： | Q-TECH CORP |
| 元件分類： | XO, sine |
| 英文描述： | CRYSTAL OSCILLATOR, SINE OUTPUT, 0.00001 MHz - 1 MHz |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED, METAL, DIP-16 |
| 文件頁數(shù)： | 6/6頁 |
| 文件大?。?/td> | 471K |
| 代理商： | QT957S-6-M-FREQ1 |
66
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
SINE WAVE SOURCES
DUAL-IN-LINE CRYSTAL CLOCK OSCILLATORS
5.0 to 15Vdc - 10Hz to 450MHz
SineWaveSources (RevisionB,July2008)(ECO#9374)
Phasenoiseismeasuredinthefrequencydomain,andisexpressedasaratioofsignalpowertonoisepowermeasuredina1Hz
bandwidthatanoffsetfrequencyfromthecarrier,e.g.10Hz,100Hz,1kHz,10kHz,100kHz,etc. Phasenoisemeasurementismade
withanAgilentE5052ASignalSourceAnalyzer(SSA)withbuilt-inoutstandinglow-noiseDCpowersupplysource. TheDCsource
isfloatedfromthegroundandisolatedfromexternalnoisetoensureaccuracyandrepeatability.
Inordertodeterminethetotalnoisepoweroveracertainfrequencyrange(bandwidth),thetimedomainmustbeanalyzedinthe
frequencydomain,andthenreconstructedinthetimedomainintoanrmsvaluewiththeunwantedfrequenciesexcluded. Thismaybe
donebyconvertingL(f)backtoSφ(f)overthebandwidthofinterest,integratingandperformingsomecalculations.
ThevalueofRMSjitteroverthebandwidthofinterest,e.g.10kHzto20MHz,10Hzto20MHz,represents1standarddeviationof
phasejittercontributedbythenoiseinthatdefinedbandwidth.
FigurebelowshowsatypicalPhaseNoise/PhasejitterofaQT957S,+5Vdc,150MHzandQT957S8M,+5Vdc,69.4MHzclockatoff-
setfrequencies10Hzto10MHz,andphasejitterintegratedoverthebandwidthof12kHzto1MHz.
PhaseNoiseandPhaseJitterIntegration
Symbol
Definition
∫L(f)
Integratedsinglesidebandphasenoise(dBc)
Sφ(f)=(180/Π)x
√2∫L(f)df
Spectraldensityofphasemodulation,alsoknownasRMSphaseerror(indegrees
RMSjitter=Sφ(f)/(fosc.360°)
Jitter(inseconds)duetophasenoise. NoteSφ(f)indegrees.
QT957S,+5Vdc,150MHz
QT957S8M,5.0Vdc,69.4MHz
Frequencyvs.TemperatureCurve
-50
-40
-30
-20
-10
0
10
20
30
40
50
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
05
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100 105 110 115 120 125
Temperature (°C)
1_12
2_12
Frequency
Stability
(PPM)
FREQUENCY STABILITY VS. TEMPERATURE QT957S-64MHz
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| QT811TV-2.000000-X | TCXO, CLOCK, 2 MHz, HCMOS OUTPUT |
| QT812AN-2.000000-X | TCXO, CLOCK, 2 MHz, HCMOS OUTPUT |
| QT821TR-50.000000-X | TCXO, CLOCK, 50 MHz, HCMOS OUTPUT |
| QT821TX-2.000000-X | TCXO, CLOCK, 2 MHz, HCMOS OUTPUT |
| QT821TN-2.000000-R | TCXO, CLOCK, 2 MHz, HCMOS OUTPUT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。