Avago ACPM-7355 HSPA雙頻段功率放大方案

AvagoACPM-7355HSPA雙頻段功率放大方案Avago公司的ACPM-7355是UMTSBand2和Band5頻段的雙頻段功率放大器模塊.ACPM-7355采用第5代CoolPAM電路技術,并采用先進InGaPHBTMMIC技術制造.ACPM-7355具有極好的線性,有三種功率控制模式:旁路/中功率模式/大功率模式,RF輸入和輸出內部50歐姆匹配阻抗.本文介紹了ACPM-7355主要特性,方框圖,在手機PCB應用電路和布局圖以及評估板電路圖與布局圖.

TheACPM-7355isadual-bandPAM(PowerAmplifierModule)designedforUMTSBand2andBand5.TheACPM-7355meetsstringentUMTSlinearityrequirements.

The4mmx5mmformfactor14-pinsurfacemountpackageisselfcontained,incorporating50ohminputandoutputmatchingnetworks.

TheACPM-7355features5thgenerationofCoolPAMcircuittechnologywhichsupports3modes–bypass,midandhighpowermodes.TheCoolPAMisstagebypasstechnologywhichenablespoweramplifiertolowerpowerconsumption.Activebypassfeatureisaddedto5thgenerationtoenhancepoweraddedefficiencyatlowoutputrangeandthistechnologyextendstalktimeofmobilesmorebyfurthersavingpoweramplifier’scurrentconsumption.

ThepoweramplifierismanufacturedonanadvancedInGaPHBT(hetero-junctionBipolarTransistor)MMIC(microwavemonolithicintegratedcircuit)technologyofferingstate-of-the-artreliability,temperaturestabilityandruggedness.

TheModuleishousedinacosteffective,smallandthin4x5mmpackage.

ACPM-7355主要特性:

Dual-BandPA(Band2andBand5)

SmallSize(4x5mm)

ThinPackage(0.9mmtyp)

ExcellentLinearity

3-modepowercontrol

Bypass/MidPowerMode/HighPowerModeHighEfficiencyatmaxoutputpower

14-pinsurfacemountingpackage

Internal50ohmmatchingnetworksforbothRFinputandoutput

Lead-free,RoHScompliant,Green

ACPM-7355應用:

UMTSBand2andBand5

圖1.ACPM-7355方框圖

ACPM-7355主要應用:

圖2.ACPM-7355在手機P