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ACMOSradiofrequencylownoiseamplifierwithhighlinearityandlowoperationvoltageoflessthan 1.0Vispresented.Inthiscircuit,anauxiliaryMOSFETinthetrioderegionisusedtoboostthelinearity.Simula tionshowsthatthismethodcanboosttheinput-referred3rd orderinterceptpointwithmuchlesspowerdissipation thanthatoftraditionalpowerlinearitytradeoffsolutionwhichpaysatleast1dBpowerfor1dBlinearityimprove ment.ItisalsoshownthatthesizeofthecommongatePMOStransistorneedstobeoptimizedtoreduceitsloaded inputimpedancesoasnottodegradethelinearityduetohighvoltagegainatitssourceterminal.Thesimulationis carriedoutwithTSMC0.18LmRFCMOStechnologyandSpectreRF.
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