![](http://datasheet.mmic.net.cn/160000/QT901S-1-M-0-00001MHZ_datasheet_9713591/QT901S-1-M-0-00001MHZ_2.png)
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Q-TECH Corporation
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10150 W. Jefferson Boulevard, Culver City 90232
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Tel: 310-836-7900 - Fax: 310-836-2157
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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)
ElectricalCharacteristics
(*) Frequencieslessthan500Hzrequireanexternal1FACcouplingcapacitorattheoutputpin.
(**) HigherfrequenciesareavailablewithaQ-Techcustompartnumber.
Parameters
QT901S
QT906S
QT941S
QT957S
Outputfreq.range(Fo)
10Hz—1MHz(*)
1MHz—85MHz(**)
10Hz—450MHz(*)
Supplyvoltage(Vdd)
+15Vdc±5%
+5Vdc±10%
Frequencystability(F/T)
SeeOptioncodes
Operatingtemp.(Topr)
SeeOptioncodes
Storagetemp.(Tsto)
-62Cto+125C
Operatingsupplycurrent(Idd)
20mAmax.
40mAmax.
20mAtyp.at25MHz
30mAtyp.at50MHz
60mAmax.
40mAtyp.at175MHz
Outputamplitudeorpower
1VRMSmin.
2VRMStyp.
0dBmmin.
+5dBmtyp.
1Vp-pmin.forFo<1MHz
0dBmmin.forF≥1MHz
OutputLoad
1k
50
InternallyACcoupled
1kforFo<1MHz
50forFo≥1MHz
TotalHarmonicDistortion(THD)or
harmonics
5%max.
-20dBcmax.
Sub-harmonics
-30dBcmax.
Start-uptime
10msmax.
PhaseNoiseat25C(typ.)at:
10Hz
-70dBc/Hz
100Hz -100dBc/Hz
1kHz -125dBc/Hz
10kHz -140dBc/Hz
100kHz -145dBc/Hz
IntegratedPhaseJitterRMS
(12kHzto20MHz)typ.
1ps
Aging(at70C)
±5ppmmax.firstyear /±2ppmtyp.peryearthereafter
SineWaveoptionsareavailablewithaQ-Tech
MCMpartnumber:
Supplyvoltage+5Vdcto+18Vdc
Outputpower-10dBmto+13dBminto50
(seenote1)
Harmonicsbetterthan-20dBc(seenote2)
Sub-harmonicsbetterthan-30dBc(seenote3)
Amplitudestabilityversustemperatureto
within±1%(seenote4)
VCXOSineOutput(seedetailsinVCXOdata
sheets)
PhaseNoiseandJitterbuilttospecification
includingstaticandvibration.
Lowsupplycurrent
QCItests
Tightfrequencystabilityversustemperature,
supplyvoltage,andloadvariations
Lowg-sensitivityandlowphasenoise
Lowspurious(seenote5)
LowHarmonicDistortion(THD<5%)
Lowfrequencyaging,AllanVariance
High-shockresistant
Notes:
1. Theoutputlevelisdeterminedbythesupply
voltage,load,andpackagesize.
2. Aspecifiedharmoniclevelof-20dBciseasily
achievable. ThetypicalharmonicsofQ-TechSine
Wavesourcearebetterthan-25dBc.
3. Sub-harmoniclevelisdeterminedbyfrequency
multiplicationmethod,supplyvoltage,output
power,andinputcurrent.
4. Typicalamplitudestabilityovertemperatureis
±10%orless.
5. Typicalspuriouslevelisbetterthan-60dBcoverthe
spectrumof100kHzto1GHz.
OtherDesignandTestOptions