High-Performance SAW STW Oscillators · High-Performance SAW / STW Oscillators Innovative Solutions for Frequency Control Products TriQuint's experience as a high-performance

High-PerformanceSAW/STWOscillators

InnovativeSolutionsforFrequencyControlProducts

TriQuint'sexperienceasahigh-performanceoscillatorsupplierspansmorethan twodecades.

TriQuinthasleverageditsoutstandingSAWfilterdesignandmanufacturingcapabilitytodevelop

unparalleledperformanceinSAWoscillatorproducts.Thecompanyhasdevelopedaseriesof

productlinesthathavemadethereway intomanychallengingmilitary,spaceandcommercial

system applications. When nothing but the best phase noise performance will do for your

application,youwanttobesuretodesigninTriQuintfrequencycontrolproducts.

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EnablingTechnology–WhyChooseTriQuintFrequencyControlProducts?

All TriQuint oscillator products derive their frequency sources from a long history of innovation in technology for resonators. The resonatorexpertiseofTriQuinthasbeendevelopedovermanyyearsofiterationsandfinetuningonmodelstoproducehigh-performanceresonatorstomeetthestringentdemandsofmanyapplications.TheresonatorsthatTriQuintofferscomeintwotypesofdesignsthatbringvariousfeaturesforyourfrequencycontrolneedscomparedtotraditionalresonatortechnology.

• SAW(SurfaceAcousticWave)resonators

– Moretemperaturestablethantraditionalresonators– Highendg-sensitivitycapability

• STW(SurfaceTransverseWave)resonators

– Bestavailableg-sensitivitywithmoderatetemperatureshift– Enablesultralownoisehigh-performanceoscillators(bestinclass)

TriQuintoscillatorsofferperformanceadvantagesinseveralareas:

• High frequency fundamentals – When choosing a TriQuintoscillator, the system designer has an opportunity to simplifysystemdesign tominimizemultiplicationcircuitry,associatedgainand filtering stages typical inmany system architectures. As aresultoflowermultiplicationfactors,systemswillbenefitfrom:

– Improvednoisefloors – Betterpowerconsumption – Lowersystemcost– Improvedphasenoisecurves – Smallersize

• Superiornoise floor – Thesuperiornoise floor isobtainedbyusingTriQuinthigh-performance resonators that leverage thesurfacewaveadvantagesover traditionaloscillator technology. Higher frequencyoscillatorshavebetternoise floors than the traditionalmultipliedup lowerfrequencyoscillators.Thisisduetothelackofphasenoisedegradationfrommultiplication,lackofconversionlossthatmustbemadeupwithmoregainandassociatednoisefigure,aswellahighpowerhandlingthatallowsforabettercarriertonoiseratio.

• Exceptionalg-sensitivityisinherentintheresonatortechnologyused.

• Modular standard product platforms – TriQuint hasmultiple product families that have the ability to scale to different frequencieswithveryminimaldevelopmenteffort. Inaddition,sinceTriQuint’sstandard looposcillatorsarebasedonmodularcircuit functions, thestandardproducts can support various performance enhancements in the areas of phase noise, noise floor, g-sensitivity, output power and signaltype(ECL/sinewave).Theresultisflexibilitytosupportcustomerneedsinastandardproductformat.

OscillatorTechnology

AVarietyofTriQuint’sOscillatorPackages

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ResonatorComparison

TriQuint’s mature STW technology has allowed highly desirableoscillatorperformancetobecomereadilyavailable.KeyadvantagesofSTWoscillatorsare:

• Higherfrequencyoperation(over2GHzpossible)• Lowerresidualnoiseresonatorsallowforimprovedoscillatorphasenoise• ImprovedpowerhandlingcapabilityallowsforimprovednoisefloorsandhigherRFoutputpowers• Exceptional g-sensitivity performance results in oscillatorsrelativelyimmunetomicrophonics

TriQuint’s STW technology is mature, production ready and is apreferredchoiceonmultiplemajormilitaryprograms.

VibrationSensitivity

Equation(1)providesameansofdeterminingthevibrationsensitivityofanoscillatorbymeasuringtheratioofthepowerinthesidebandstothepowerinthecarrierwhentheoscillatorissubjectedtoasinusoidalvibration,(1) wherefv isthevibrationfrequency,f0

isthecarrierfrequency,ai isthevibrationleveling’s,and is thesinglesideband-to-carrierpower ratio. For randomvibration,Equation (1)becomes(2) where G is the acceleration spectral density level in g2/Hz. The vibrational environment of the

oscillatorisusuallyspecifiedineachofthreemutuallyperpendicularaxes.VibrationprofilestypicalofmostmilitaryenvironmentsarespecifiedinMIL-STD-883Method2026.

TableAshowsdatameasuredinadirectionperpendicular to theplaneofpropagationforSTW oscillators. As can be seen, extremely low values of g-sensitivity can beachievedwitha trade-off inproductionyieldandcost. TriQuintroutinelymanufacturesoscillatorsaslowas5x10-10/g.Throughcontinuingproductionanddevelopmentefforts,TriQuintintendstofurtherpushthestate-of-the-artforthisimportantparameter.

TheEnablingTechnologyofSTWOscillators

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CommercialSineOscillator

g-sensitivityintheharshestofenvironments

TableA.

Distributionof

Performance

g-Sensitivity

ofSTW

Oscillators

OscillatorApplications


ProductApplications

• Multibandsoftwarebasestationradios

• Militaryandcommercialairborneradar

• DigitalradioswithhighorderQAM

modulation

• Point-to-pointbroadbandwireless

(LMDS)rooftopboxes

• Electroniccountermeasures

• Electronicwarfarereceivers

• Opticalservers

• Missiles

OscillatorProducts


VoltageControlledOscillator FixedFrequencyOscillator

SINE ECL SINE ECL

SAW STW SAW STW SAW STW SAW STW

MilitaryProductFamily • • – – • • – –

IndustrialProductFamily • • – – • • – –

CommercialProductFamily • – • – • – • –

Figure1.StandardCommercialSine(left)andECL(right)Oscillators

Figure2.StandardMilitary(left)andIndustrial(right)VoltageControlledOscillators

Figure3.StandardMilitary(left)andIndustrial(right)FixedFrequencyOscillators

FrequencyControlProductFamilies

Inorder tomeet thevarietyofcustomerneeds forhigh-performancefrequencysources,TriQuinthasdevelopedthreefamiliesofstandardoscillatorsasacoreproductoffering.

TheMilitaryProductFamily– TriQuintcontinuestoprovidemilitaryandspacecustomerswithhigh-performanceSAW /STWoscillatorsdesigned for the rigorsofharshenvironments. The ruggedmilitaryFFO and VCO products are classical chip and wire, epoxy onceramic designsbased upon the bestpracticesofMIL-PRF-38534.Theseproductsarequalifiedforawidevarietyofaerospaceandship-basedsystems.

The IndustrialProductFamily – The industrialproduct family isaline of high-quality commercialSAW oscillators. It is designed forsystem applications where cost is as critical as high fundamentalfrequencygenerationandspectralpurity.Byretainingtheschematicofourmilitary lineandbychangingconstruction style,TriQuinthasachievedadesignthatretainsmuchofthemilitarylineperformanceata lowercost. Theseunitsare ideal for testequipment,commercialaviationandlimitedmilitaryapplications.

The Commercial Product Family – The commercial oscillatorfamily,showninFigure1,isalineoflow-cost,surfacemountableSAW/STWoscillatorsintendedforuseinmoderncommunicationssystemssuch as LMDS rooftop units,multiband “software” radios and anydigital radioemployinghigh-levelmodulationschemes. These low-costunitsofferexcellentspectralpurityandgoodimmunitytovibrationeffects.Thevoltage-controlledversionisidealforphaselockedloop

(PLL)applications;especiallyinwidebandapplicationswherelowVCOnoise floor offers a system benefit. A fixed frequency version isalsoavailable.

OscillatorTypes

Standard Voltage Controlled Oscillators – TriQuint’s standardindustrial voltage controlled oscillator and its military counterpart,showninFigure2,areavailableoverthe300to1000MHzfrequencyrange.BothVCOfamiliesareusedinapplicationsrequiringcorrectionoffrequencydriftsduetosetaccuracy,temperaturestability,loadpullandaging.SincetheVCOisabletobetunedtocenterfrequencybyadjustingthetunevoltagewithinaspecifiedrange,TriQuintVCOsarewidelyusedinPLLapplications.WhenusedinaPLL,thesystemhasthebenefitofSAWphasenoiseperformanceatoffsetsgreater thanthe loopbandwidthcombinedwith thestabilityof the low frequencyquartz reference. TriQuint’s standard industrial VCOs routinelyachieve -160 dBc/Hz noise floors while the military counterpartroutinelyprovides-170dBc/Hz.

StandardFixedFrequencyOscillators – TriQuinthassuccessfullyusedthestandardindustrialFFOanditsmilitarycounterpart,showninFigure3, over two octavesof frequency range (300 to1200MHz).TriQuint’sstandardindustrialoscillatorsroutinelyprovide-160dBc/Hznoisefloorsandthemilitarycounterpartroutinelyprovides-170dBc/Hz.Thesecircuitsarenormallyhoused ina14-pindual in-linepackage(DIP),butcanbeinstalledintoasurfacemountflatpackoracustomer-definedcustompackage.Themilitaryplatformmaybepurchasedasanunpackagedhybridforsubsequentmoduleintegration.

StandardMilitaryFixedFrequencyOscillators

StandardMilitaryFixedFrequencyOscillator


TriQuint’sfamilyofhybridfixedfrequencyoscillators(FFOs)isdesignedtoachievehighperformanceatlowercost.Offeredinoperatingfrequenciesfrombelow300toabove1000MHz,standardSAWFFOsaredesignedformilitaryandspaceapplications. StandardSTWFFOsareavailablefrom500to1600MHzandup.

Advantages• Quartzfrequencystability• Excellentspectralpurityandphasenoiseperformanceguaranteed• Lowvibrationsensitivityversionsavailable• Highendurance• Rugged,hermeticmetalpackage• Off-the-shelfavailability

CenterFrequency Part(MHz) Package Number

300 4/14PINDIP 852164400 4/14PINDIP *540 4/14PINDIP *650 4/14PINDIP *750 4/14PINDIP *800 .5”x1.0”Flatpack 852175

PartialFrequencyListing–SAW


500 4/14PINDIP 852171650 .5”x1.0”Flatpack 852204720 * *750 * *960 4/14PINDIP 8521811000 4/14PINDIP 8521651030 4/14PINDIP 8521821090 4/14PINDIP 8521831160 4/14PINDIP 8521841200 * *1280 * *1300 * *

PartialFrequencyListing–STW

*Existingresonatorfrequency.

StandardMilitaryFFOPhaseNoisePerformanceat750MHz

4-PinVersionof14-PinDIPPackageStyleH

1.0-InchFlatpackPackagePN710111

StandardMilitaryFFOSpecifications


Parameters Specifications

CenterFrequency 280to 500to 750to 1000to 1400to500MHz 750MHz 1000MHz 1400MHz 1800MHz

RF OutputPowerat+25ºC(65mAmax.) +10dBmnominalat+25ºC(25mAmax.) +3dBmnominal

VariationofRF OutputPowerwithTemperature +8to+13dBmor0to+5dBm +8to+13dBmonly

FrequencySetAccuracy(+25ºC)

Frequencyvs.TemperatureStability-55ºto+85ºC

FrequencyPullingLoadVSWR≤1.5:1atAllAngles

SpuriousOutputAttenuationHarmonicSpuriousat2f0 -15dBcmax.at≥3f0 -30dBcmax.Non-HarmonicSpurious -60dBcmax.ExclusiveofSupplyRipple

MaximumSSBPhaseNoiseLevel dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hzat10Hz -40 -40 -35 -30 -25at100Hz -70 -70 -65 -60 -55at1kHz -95 -95 -90 -85 -80at10kHz -125 -125 -115 -110 -105at100kHz -150 -150 -140 -140 -135at1MHz -160 -160 -160 -160 -155

g-Sensitivity(fV <2kHz)SAWFFO 2x10-8/gto1x10-8/g,dependingonfrequencySTWFFO 1x10-9/gto5x10-10/g,dependingonfrequency

PowerSupply Voltage CurrentRF=+12to+14dBm +12VDC±5% 65mAmax.RF=+3dBm +12or+15VDC±5%(specify) 25mAmax.

OperatingTemperatureRange -55ºto+85ºC

Variationsonperformanceareavailableuponrequest.ContractTriQuintwithyourapplication.

AbsoluteMaximumRatings

DCSupply,Vcc RF=+12to+14dBm 0to+13VDCRF=3dBm 0to+17VDC

LoadVSWR Infinity

AmbientTemperature Powered -55ºto+95ºCStorage -55ºto+105ºC

±50ppmStandard

≤250ppm(SAW)≤420ppm(STW)

≤30ppm

+10dBmnominal

StandardMilitaryVoltageControlledOscillators

StandardMilitaryVoltageControlledOscillator

StandardMilitaryVCOPhaseNoisePerformanceat500MHz

TriQuint’sfamilyofhybridvoltagecontrolledoscillators(VCO)isdesignedforhighperformanceatlowercost.Offeredinoperatingfrequenciesfrom300MHzto2GHz,thesestandardSAWVCOsaredesignedformilitaryandspaceapplications.SinewaveandECLoutputsareavailable.

Advantages• Quartzfrequencystability• Excellentspectralpurityandphasenoiseperformanceguaranteedoverthevoltagetuningrange• Excellenttuninglinearity• Onboardvoltageregulation• Lowvibrationsensitivityversionsavailable• Highendurance• Rugged,hermeticmetalpackage

NominalCenter TuningFrequency Bandwidth Part(MHz) (ppm) Package Number

300 450 1.0”x1.5”DIP 852103311 900 1.0”x1.5”DIP 852146320 450 1.0”x1.5”DIP 852187400 450 1.0”x1.5”DIP 852104430 450 1.0”x1.5”DIP 852178455 450 1.0”x1.5”DIP 852179500 500 1.0”x1.5”DIP 852105530 500 1.0”x1.5”DIP 852160572 650 1.0”x1.5”DIP 852140600 500 1.0”x1.5”DIP 852106640 550 1.0”x1.5”DIP 852144700 450 1.0”x1.5”DIP 852107800 450 1.0”x1.5”DIP 852108


Uponrequest,standardmilitaryVCOscanbepurchasedwithECLoutput.


1000 500 1.0”x1.5”DIP 8522191080 800 1.0”x1.5”DIP *1280 600 1.0”x1.5”DIP 852208




1.5-InchDIPPackageStyleS

StandardMilitaryVCOSpecifications



CenterFrequency 300to 500to 700to 900to 1200to 1500to500MHz 700MHz 900MHz 1200MHz 1500MHz 2000MHz

FrequencyTuningRange Sufficienttomaintaincenterfrequencyforalloperatingconditions.

TuningControlVoltage +2to+12VDC

RF OutputPoweratf0NominalatRoomTemperature,50Ω +10dBmnominalVariationforAllConditions +8to+13dBmVariationforTemperatureOnly 4dBmax.

SpuriousOutputAttenuationHarmonicSpuriousat2f0 -20dBcmax.at≥3f0 -30dBcmax.Non-HarmonicSpurious -60dBcmax.atMaximumSpecifiedSupplyRipple

MaximumSSBPhaseNoiseLevel dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hzat10Hz -50 -45 -40 -35 -30 -25at100Hz -80 -75 -70 -65 -60 -55at1kHz -105 -100 -95 -90 -85 -85at10kHz -130 -125 -125 -120 -115 -110at100kHz -150 -150 -150 -145 -140 -130at1MHz -160 -160 -160 -160 -160 -150

OperatingLoadVSWR(Referencedto50Ω Nominal)

DC PowerSupplyOperatingVoltage 15Volts±10% 15Volts±10% 15Volts±10% 15Volts±10% 15Volts±10% 15Volts±10%OperatingCurrent 70mAmax. 65mAmax. 65mAmax. 65mAmax. 65mAmax. 70mAmax.

VoltageFrequencyPushing

TuningRange(Typical) 450ppm 500ppm 400ppm 500ppm 500ppm 800ppm

TuningSlopeVariation 4.0:1max.2.5:1typical

ModulationRate 200kHzmin.300kHztypical


M.T.B.F.(MIL-STD217-D,AIC) >229,000hours



DCSupplyVoltageVcc,Pin4 ConsultFactory

*TuningVoltageVT,Pin6 0to+15VDC

LoadVSWR Infinity

AmbientTemperaturePowered -55ºto+95ºCStorage -55ºto+105ºC

*Polarityreversalwillresultindamage.

1.5:1max.

<1ppm/Volt

StandardIndustrialFixedFrequencyOscillators


StandardIndustrialFixedFrequencyOscillator

TriQuint’s family of industrial fixed frequency oscillators (FFOs) isdesigned to achieve high performance at lower cost. Offered inoperatingfrequencies frombelow500toabove1700MHz,standardindustrialSAW FFOs are designed for test equipment, commercialaviation,communicationsandselectmilitaryapplications.

Advantages• Lowcost• Quartzfrequencystability• Superiorspectralpurityandphasenoiseperformanceguaranteed• Lowvibrationsensitivityversionsavailable• Rugged,hermeticmetalpackage


500 * *540 * *640 * *650 * *700 * *750 * *900 * *



500 * *650 * *720 * *750 * *960 * *1000 * *1030 * *1090 N 8520331090 H 8522271160 * *1200 * *1200 * *1280 * *



StandardIndustrialFFOPhaseNoisePerformanceat1000 MHz

4-PinVersionof14-PinDIPPackageStyleH

4-PinVersionof18-PinDIPPackageStyleN

StandardIndustrialFFOSpecifications



CenterFrequency 200to 500to 750to500MHz 750MHz 1200MHz

RF OutputPower +10dBmnominal

VariationofRF OutputPowerwithTemperature

FrequencySetAccuracy(+25ºC)

Frequencyvs.TemperatureStability-55ºto+85ºC

FrequencyPullingLoadVSWR≤1.5:1atAllAngles


MaximumSSBPhaseNoiseLevel dBc/Hz dBc/Hz dBc/Hzat10Hz -35 -35 -30at100Hz -65 -65 -60at1kHz -90 -90 -85at10kHz -120 -120 -110at100kHz -150 -150 -140at1MHz -160 -160 -160

g-Sensitivity(fV <2kHz) Specificdataavailableuponrequest.

PowerSupply Voltage Current(ConsultFactory) +5to+15VDC±5%(Specify) 65mAmax.

(+5VDCpreferred)




DCSupply,Vcc ConsultFactory

LoadVSWR Infinity


±50ppm

≤300ppm(SAW)≤450ppm(STW)

±50ppmStandard

±2dBrelativetoRFOutputPowerat25ºC

StandardIndustrialVoltageControlledOscillators

StandardIndustrialVoltageControlledOscillator

StandardIndustrialVCOPhaseNoisePerformanceat1000MHz

High performance for less cost is the standard for TriQuint’s familyof industrial voltage controlled SAW oscillators. Offered in operatingfrequenciesfrom300to1000MHz,thesestandardindustrialSAWVCOsare designed for test equipment, commercial aviation, communicationsandselectmilitaryapplications.

Advantages• Lowcost• Quartzfrequencystability• Superiorspectralpurityandphasenoiseperformanceguaranteedoverthevoltagetuningrange• Excellenttuninglinearity• Lowvibrationsensitivityversionsavailable• Rugged,hermeticmetalpackage


300 450 * *311 900 * *320 450 * *400 450 * *430 450 * *455 450 * *500 500 * *572 650 * *600 500 * *640 550 * *700 450 * *800 450 * *900 450 * *



960 500 * *1000 500 1.0”x1.5”DIP 8522201024 500 * *1030 500 * *




1.5-InchDIPPackageStyleS

StandardIndustrialVCOSpecifications



CenterFrequency 300to 500to 700to 900to500MHz 700MHz 900MHz 1000MHz





MaximumSSBPhaseNoiseLevel dBc/Hz dBc/Hz dBc/Hz dBc/Hzat10Hz -45 -40 -35 -30at100Hz -75 -70 -65 -60at1kHz -100 -95 -90 -85at10kHz -125 -120 -120 -115at100kHz -145 -145 -145 -140at1MHz -160 -160 -160 -160


DC PowerSupplyOperatingVoltage +5,+8,+12and+15VoltsavailableOperatingCurrent +5VDCpreferred;othervoltagesavailable;65mAmax.

VoltageFrequencyPushing 50ppm/Volttypical

TuningRange(Typical) 450ppm 500ppm 400ppm 500ppm






DCSupplyVoltageVcc,Pin4 ConsultFactory

*TuningVoltageVT,Pin6 0to+15VDC

LoadVSWR Infinity



1.5:1max.

StandardCommercialSurfaceMountSAW/STW Oscillators


StandardCommercialSine(left)andECL(right)Oscillators

CenterFrequency NominalTuning Part(MHz) Bandwidth(ppm) Number

312 500 852255880 500 8522481401 500 852249

ExistingFrequencyListing

StandardCommercialSineOscillatorPhaseNoisePerformanceat880MHz

TriQuint'sfamilyofcommercialoscillatorsaredesignedforapplicationssuchasbasestations,wireless links,networkingequipmentandhigh-endcomputerswherechipandwirehybridsorpartsinmetal/ceramicpackageswouldprovecostprohibitive.Partsareavailablefromapproximately300MHztowellover1GHz.

Advantages• Lowphasenoiseminimizesmaskingofweaksignals• LowphasenoiseminimizesphaseerrorsinhighorderQAMsystems• Lowjitterminimizesclockinducedbiterrors• LownoisefloorreducestheeffectofLOtoIFwhitenoiseleakageinwidebandsystems• Highfundamentalfrequenciesreducemultiplicationstagesandminimizesubharmonics• Vibrationimmunity(lowg-sensitivity)minimizesdynamicphasenoise/sidebands,andpeakfrequencydeviationeffectsinchallengingoutdoorenvironments

ProductDescription• Fixedandvoltagecontrolledversionsavailable• Customfundamentalfrequenciesavailablefrom400toover1500MHz• Lowphasenoise/jitter(-105dBc/Hz@1kHzoffsettypical)• Verylownoisefloor(-165dBc/Hzstarting@300kHzoffsettypical)• Superbimmunitytovibrationsidebands/microphonicsforSTWversions(5x10-10/gtypicalmaximum)• Tuninglinearitylessthan3to1forVCOs• VCOsdesignedforphaselockedLOandclockapplications• VCOtuningrangeof500to600ppmtypical• RFoutputpower:+10dBmnominal• +5VDCoperation@65mAmaximum• Surfacemountable“bareboard”design• 19mmx19mm(0.75”x0.75”)• DesignedtobereflowsolderedtoaPWB

TypicalSinePackage TypicalECLPackage

StandardCommercialSineVCOSpecifications



CenterFrequency 300to 500to 700to 900to 1200to500MHz 700MHz 900MHz 1200MHz 1500MHz




SpuriousOutputAttenuationHarmonicSpuriousat2f0 -20dBcmax.at≥3f0 -30dBcmax.Non-HarmonicSpurious -60dBcmax.atMaximumSpecifiedSupplyRipple

MaximumSSBPhaseNoiseLevel dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hzat10Hz -45 -40 -35 -30 -25at100Hz -75 -70 -65 -60 -55at1kHz -100 -95 -90 -85 -85at10kHz -125 -125 -120 -115 -110at100kHz -150 -150 -145 -140 -130at1MHz -160 -160 -160 -160 -150


DC PowerSupplyOperatingVoltage 5Volts±5%OperatingCurrent 65mAmax.


TuningRange(Typical) 450ppm 500ppm 500ppm 500ppm 500ppm






DCSupplyVoltageVcc,Pin4 +6VDC

*TuningVoltageVT,Pin6 +7VDC

LoadVSWR Infinity



1.5:1max.

StandardCommercialECLVCO/FFO Specifications



CenterFrequency 500to 750to750MHz 1000MHz





MaximumSSBPhaseNoiseLevel dBc/Hz dBc/Hzat10Hz -30 -25at100Hz -60 -55at1kHz -80 -75at10kHz -105 -100at100kHz -130 -125at1MHz -140 -140


DC PowerSupplyOperatingVoltage 3.3or5VDCOperatingCurrent 65mAmax.


TuningRange(Typical) 500ppm

TuningSlopeVariation 8%max.4%typical





DCSupplyVoltageVcc,Pin4 5.5VDC

*TuningVoltageVT,Pin6 6VDC

LoadVSWR Infinity


*Lowerfrequenciesavailableuponrequest.

1.5:1max.


CustomOscillatorCapability

Parameters HybridVoltageControlled High-Performance HybridFixedFrequencySAW/STWOscillator SAW /STW Oscillator SAW /STW Oscillator

FundamentalCenterFrequency 200to2000MHz 100to1000MHz 300to1800MHz(Doubledandmultipleoutputsavailable)TemperatureRanges(CustomAvailable)Range1 0ºto+70ºC 0ºto+70ºC 0ºto+70ºCRange2 -40ºto+85ºC -40ºto+85ºCRange3 -55ºto+95ºC -55ºto+95ºCRange4 -55ºto+125ºC -55ºto+125ºCFrequencyVersusTemperatureRange1 <80ppm <80ppm <80ppmRange2 ≤210ppm <210ppmRange3 ≤285ppm <285ppmRange4 <285ppm <285ppmSetTolerance* Externallycorrectable *Customcorrectableto ±50ppmat25ºC to<+1ppm <+1ppmOutputPower 0to+12dBm 0to+23dBm -10to+2dBm

(Custom:Upto+23dBm) (Custom:Upto+30dBm) (Custom:Upto+25dBm)OutputPowerStabilityRange1 1.0dB 1.0dB 1.0dBRange2 2.0dB 2.0dB 2.0dBRange3 2.5dB 2.5dBRange4 3.0dB 3.0dB

FrequencyVersus ≤±15ppm ≤±5ppm ≤±15ppmLoadPulling VSWR≤1.5:1 VSWR≤1.5:1 VSWR ≤1.5:1

HarmonicAttenuation <-20to-50dBc <-30to-50dBc <-30to-50dBcSub-Harmonic <-20dBc <-30dBc <-20dBc(DoubledUnitsOnly)SpuriousAttenuation <-60dBc <-85dBc <-60dBcPowerConsumption +12VDC,+15DVC +15VDC,+25DVC +8VDC,+12VDC,+15DVC

at40to85mAmax. at500mAmax. at30mAmax.PhaseNoisePerformanceat10Hz -35to-60dBc/Hz -65to-75dBc/Hz -30to-60dBc/Hzat100Hz -65to-90dBc/Hz -95to-107dBc/Hz -60to-90dBc/Hzat1kHz -95to-120dBc/Hz -125to-137dBc/Hz -90to-120dBc/Hzat10kHz -115to-140dBc/Hz -155to-165dBc/Hz -110to-140dBc/Hzat100kHz -135to-160dBc/Hz -160to-175dBc/Hz -1300to-160dBc/Hz>1MHz -155to-170dBc/Hz -168to-180dBc/Hz -155to-165dBc/HzResponseSlope Positive <4:1

TuningVoltage(Typical) +2to+12VDC

FrequencyShift(Typical) Sufficienttomaintaincenterforalloperatingconditionswithwithvoltagecontroloption.

Linearity(Typical) ±35% ±25% ±35%

Thistableisintendedasareferenceofgeneralcapabilities.ContactTriQuintaboutyourcustomapplicationandtodiscussavailablepackaging.

TriQuintSemiconductoroffersawidestandardlineofoscillatorproductsasdescribedontheprecedingpages,butwealsounderstandthatnotallapplicationscanbemetbyanoff-the-shelfapproach.CustomdesignisTriQuint’sgreateststrength.Ourcapabilitiesrangefromcreatingcustomhermetic oscillator packages with SMA orGPO connectors to developing non-hermetic aluminum housings that employ bolted connectors.Customizationoptionsalso includeoversizedparts thatdeliverenhanced frequencystabilityover temperatureandoscillatorswithbuilt-in testcapabilitiesanddualorfrequency-multipliedoutputs. TriQuintspecializesinmeetingthestringentrequirementsofthemostextremeoperationalconditionsthroughcustomdesigns.PleaseusethefollowingtableasaguideinunderstandingtherangeofsolutionsTriQuintoffers,thencontactarepresentativetoarrangeanengineeringtechnicalconferencetoexplorecustomsolutionstailoredtoyourindividualoscillatorneeds.

HowtoSpecifyOscillators


Thefollowingisintendedtobeaguideinassistingourcustomersinspecifyinganoscillatortomeettheirrequirements.Thisguidedescribessomemajorconsiderationsandisnotintendedtobeall-inclusive,nordoesitsuggestthateachparameterdescribedbespecifiedforeveryapplication.Asalways,pleasefeelfreetocontactoneofTriQuint’soscillatordesignengineersforassistance.

CenterFrequencyThemost fundamentalparameter for an oscillator isofcourse itscenter frequency. As you review thisbrochureyouwill find thatTriQuint’sstandardunitsarepresented inproduct familiesconsistingofFixedFrequencyOscillators (FFO)andVoltageControlledOscillators (VCO). Auseful frequencyrange isdefined foreach family forboth itsFFOand itsVCOunit. This rangesignifies thatgivenanappropriateresonatorwithintherange,anoscillatorcanbedesignedandproduced.Ourcustomershavetwooptions:

1. Pickanexistingfrequencyfromtheappropriate“PartialFrequencyListing”tables.Notethatwhenanoscillatorpartnumberisnotshowninatable,thissignifies thatthere isanexistingresonatorwhich isappropriate for thefamilyandtypeunderconsideration.Whenapartnumberisgiveninatable,thissignifiestheexistenceofanestablishedoscillator.

2. Ourcustomerscanspecifyacustomfrequency.

FrequencyBudgetInthecaseofspecifyingVCOs,afrequencybudgetmustbeconsidered.SAW/STWresonatorshavebandwidthsrangingfromseveralhundredpartspermillion(ppm)toasmuchas1000ppm.Theresonatorbandwidthchosenmustaccommodatetheoscillator’sabilitytotunebacktoitscenterfrequencyoverspecifiedconditions.Sincethereisatradeoffinphasenoiseperformanceandresonatorbandwidth,anoscillatordesignertypicallychoosesabandwidthsufficienttotunetheoscillatoroverspecifiedconditions,butnotexcessivelywide.Thefollowingarethecomponentsofatypicalfrequencybudget,someofwhichareincludedinaspecification:

• Operatingtemperaturerange –SAW /STWoscillatorsexhibitaparabolicfrequencyversustemperaturecharacteristicasshowninthefiguretotheright.STWdeviceshaveasimilarcharacteristicbutwithasteeperslopeon theparabola. This isby far the largestfrequencybudgetcomponent.

• Aging – SAW / STW oscillators experience an exponential agingcharacteristicwherethemajorityofagingoccursatthestartoflifeandthenapproachesanassymptote.

• Voltage pushing – This is a frequency shift caused by supplyvoltage shifts and ripple. Power supply characteristics should beincludedinaspecification.

• Loadpulling –ThisisafrequencyshiftcausedbyVSWRinteractionsbetweentheoscillatoranditsload.Loadcharacteristicsareincludedin some specifications expressed as a VSWR circle (magnitudeandphase).

• Set-on accuracy – This parameter represents the remainder oftuningbandwidthaftertheabovehavebeenconsidered.Thisnumberdirectly affects resonator yield but recall that adding bandwidthcansometimesjeopardizephasenoise.

FrequencyVersusTemperatureCurve

PhaseNoise/Jitter

Phasenoise isameasureofanoscillatorsspectralpurity inanextremelyshort-termsense.Lowfrequencyandthermalnoiseinabandwidthdeterminedbytheresonatorisintegratedandcausessmallrandomcarrier fluctuations. The resultantenvelopeofAMandPMsidebandsisthephasenoiseskirtwhichisspecifiedintermsofbothanoffset from thecarrierandadBc level ina1Hzbandwidth. AMsidebandsaretypicallywellbelowPMsidebandsandasaresult,PMnoise is typically specified. The noise floor of the signal turns upinto the phase noise skirt at an offset governed by resonatorcharacteristics. In digital systems an emphasis is placed upon thetime domain version of phase noise referred to as jitter. Jitterdescribesthefluctuationsfromidealityofaclocksignaltriggeringedgeintime(typicallypSecsRMS).

Typical phase noise curves forTriQuint’s standard product familiesare given in the appropriate sections. Ultra-low phase noise canbe obtained on custom high-performance units. These high-performance units require specialized resonator and amplifierdesigns. Please contact TriQuint’s oscillator design engineers formoreinformation.

DynamicPhaseNoise/Microphonics

For those customers that need good phase noise in challengingdynamic environments, TriQuint offers low g-sensitivity units aspreviously discussed. TriQuint routinely assists customers indetermining an appropriate specification. Typically a plot of thevibration spectrum and a dynamic phase noise skirt description isneededtoaccuratelydeterminetheg-sensitivityspecification.PleasecontactTriQuint’soscillatordesignteamforassistance.

Harmonics

SAW / STW oscillators do generate harmonics. Second andsometimesthirdharmonicsaregenerallyspecifiedintermsofdBc.Themajority of TriQuint’s oscillator generate frequencies fundamentallywithouttheneedformultiplication.Asaresult,fundamentaloscillatorshavenosubharmonics.

Non-HarmonicSpurious

There are no intrinsic generators of spurious in SAW / STWoscillators;however,powersupplyripplewillinducecausespurious.Asaresult,itisnecessaryforourcustomerstospecifythemagnitudeaswellas thespectrumofsupplyripple. This isparticularly true forcustomers using switching power supplies. After review of acustomer’sspecification,TriQuintengineerscanthenadvisethemofthelevelofspuriousthatwillbegenerated.Inaddition,TriQuintcanguidecustomerstowardsmodelsthathaveon-boardregulationorcanaddresscustomdesigns.

ForPricingInformation

CallTriQuintat407-886-8860 forspecificationsortoplaceyourorderforanyofthestandardoscillatorsinthelisting.However,ifyour requirements call for an oscillator between the operatingfrequencies of the standard parts orwith custom requirements,pleasecontactouroscillatorengineeringdepartment.

Tothebestofourknowledge,this informationwascorrectatthetimeofprinting.TriQuintreservestherightto

modifythesespecificationswhennecessarytoprovideoptimumperformanceandcost.

©2006.TriQuintSemiconductor,Inc.


HowtoSpecifyOscillators

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