FreescaleMD7IC2050N10W1880MHz寬帶放大方案Freescale公司的MD7IC2050N是RFLDMOS寬帶功率放大器,工作頻率從1750到2050MHz,多級結(jié)構(gòu)的工作電壓從26V到32V,平均輸出功率10W,功率增益高達(dá)30dB,片內(nèi)50歐姆匹配輸入,集成了ESD保護(hù),RoHS兼容,適用于所有蜂窩基站的調(diào)制格式.本文介紹了MD7IC2050N的主要特性,方框圖以及MD7IC2050NR1(GNR1)(NBR1)測試電路元件布局圖和元件數(shù)值,MD7IC2050NR1(GNR1)(NBR1)1880MHz測試電路元件布局圖和元件數(shù)值表.

RFLDMOSWidebandIntegratedPowerAmplifiers

TheMD7IC2050Nwidebandintegratedcircuitisdesignedwithon-chipmatchingthatmakesitusablefrom1750-2050MHz.Thismulti–stagestructureisratedfor26to32Voltoperationandcoversalltypicalcellularbasestationmodulationformats.

TypicalDohertySingle-CarrierW-CDMAPerformance:VDD=28Volts,

IDQ1A=IDQ1B=30mA,IDQ2A=230mA,VG2B=1.4Vdc,Pout=10WattsAvg.,ChannelBandwidth=3.84MHz,InputSignalPAR=9.9dB@0.01%ProbabilityonCCDF.

CapableofHandling5:1VSWR,@32Vdc,2017.5MHz,79WattsCWOutputPower(3dBInputOverdrivefromRatedPout)

Stableintoa5:1VSWR.AllSpursBelow-60dBc@20Wattsto80WattsCWPout

TypicalPout@3dBCompressionPoint_74WattsCW1880MHz

TypicalDohertySingle-CarrierW-CDMAPerformance:VDD=28Volts,IDQ1A=IDQ1B=30mA,IDQ2A=230mA,VG2B=1.4Vdc,Pout=10WattsAvg.,ChannelBandwidth=3.84MHz,InputSignalPAR=9.9dB@0.01%ProbabilityonCCDF.

MD7IC2050N主要特性:

100%PARTestedforGuaranteedOutputPowerCapability

ProductionTestedinaSymmetricalDohertyConfiguration

CharacterizedwithSeriesEquivalentLarge-SignalImpedanceParametersandCommonSourceS-Parameters

On-ChipMatching(50OhmInput,DCBlocked)

IntegratedQuiescentCurrentTemperatureCompensationwithEnable/DisableFunction

IntegratedESDProtection

225CCapablePlasticPackage

RoHSCompliant

InTapeandReel.R1Suffix=500Unitsper44mm,13inchReel

圖1.MD7IC2050N功能方框圖

圖2.MD7IC2050NR1(GNR1)(NBR1)測試電路元件布局圖

MD7IC2050NR1(GNR1)(NBR1)測試電路元件數(shù)值表:

圖3.MD7IC2050NR1(GNR1)(NBR1)1880MHz測