Avago ACPM-7355 HSPA双频段功率放大方案

AvagoACPM-7355HSPA双频段功率放大方案Avago公司的ACPM-7355是UMTSBand2和Band5频段的双频段功率放大器模块.ACPM-7355采用第5代CoolPAM电路技术,并采用先进InGaPHBTMMIC技术制造.ACPM-7355具有极好的线性,有三种功率控制模式:旁路/中功率模式/大功率模式,RF输入和输出内部50欧姆匹配阻抗.本文介绍了ACPM-7355主要特性,方框图,在手机PCB应用电路和布局图以及评估板电路图与布局图.

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应用:

UMTSBand2andBand5

图1.ACPM-7355方框图

ACPM-7355主要应用:

图2.ACPM-7355在手机P