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HighInterceptLowNoiseAmplifierforthe19301990MHzPCSBandusingtheAgilentATF34143HighInterceptLowNoiseAmplifierforthe1930-1990MHzPCSBandusingtheAgilentATF-34143LowNoisePHEMT(4V,40mA)ApplicationNote1191IntroductionAgilentTechnologies’ATF-34143isalownoisePHEMTdesignedforuseinlowcostcommercialapplicationsintheVHFthrough6GHzfrequencyrange.TheATF34143ishousedina4-leadSC-70(SOT-343)surfacemountplasticpackage.The800microngatewidthoftheATF-34143makesitidealforapplicationsintheVHFandlowerGHzfrequencyrangebyprovidinglownoisefigurecoincidentwithhighinterceptpoint.Thewidegatewidthalsoprovideslowerimpedancesthatareeasytomatch.ThisapplicationnotedescribestheuseoftheATF-34143describedinalownoiseamplifieroptimizedforthe1930to1990MHzbandforPCSapplicatio……