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时间: 2019-12-28 23:42
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LDMOSRFpowerampsdominatetheGSMandCDMAbase-stationmarketsbyprovidingexcellentperformanceatacompetitivecost.OnekeyelementtoprovidinghighperformancewithLDMOSamplifiersiscompensatingthegatebiasvoltagetomaintainaconstantquiescentcurrentovertemperature.SeveralsolutionscurrentlyexistforbiasingLDMOSRFpoweramps,includingDallasSemiconductor'sDS1870biascontroller.ThisapplicationnoteshowsanalternativeanalogbiasingsolutionusingtheDS4303.……