标签: 低放

低放设计-agilentLowNoiseAmplifiersfor5.125-5.325GHzand5.725-5.825GHzUsingtheATF-55143LowNoisePHEMTApplicationNote1285DescriptionThispaperdescribestwolownoiseamplifiersforuseintheIEEE802.11a,ETSI/BRANHiperLAN/25GHzstandards.Thecircuitsaredesignedforusewithmulti-layer0.031inchthicknessFR-4printedcircuitboardmaterial.The5.125-5.325amplifiermakeuseoflowcost,miniature,multilayerchipinductorsforsmallsize.The5.725-5.825amplifiermakeuseofprintedinductorsforsmallsizeandlowcost.WhenbiasedataVdsof2voltsandIdsof15mA,theATF55143amplifierwillprovide10.0to11.0dBgain,1.2dBnoisefigureandanoutputinterceptpoint(IP3)of+24to+27dBmoverthe5.1-5.8GHzbandwidth.Anactivebiassolutionisdiscussedthat……