20012137,RF,RF,RF,300MHz500MHz,400700MHzRF400MHz10nH,900MHz,68,,,,,,(,R)(,X),,,,(),:,(m100M),Hz100MHz;/,(5Hz110GHz),50IV(2)RF2IV(2),40Hz3GHz,(mM)LCR(),IVRF2IV/,,AgilentE4991A?,LCR,,,,,,,50,,,,1k,80%;,5%,(),,,,,,Radio&TVBroadcastEngineering/FEB.2001138,,,1985,Agilent,,,,,3GHz,AgilentE4991ARF2IV,,/,,,/,50,,2k,1%24%RF2IV,50,E4991A,,(),,,,,RF2IVAgilentE4991A,SMT3GHzAgilent2615GHzAgilent20001010617GHz2615GHzAgilentNFA115GHz3GHz,8970AgilentSNSSNSAgilent346,,,,Agilent,SNS,,,617GHz2615GHz,,SNS(SNR),ENRNFA,,