标签: high-freq

high-freqcktdesignandlab_noteHigh-FreqCktDesignandLab;J-TWu1-1WhatisHighFrequencyinthisclass?Purecircuitelements(R,L,C)arehardtorealizebecauseofparasiticelements.Elementsarebestthoughtofintermsofdistributedparametersliketransmissionlinesorlineresonators.NotconsiderelementswheremodesotherthantheTEM(transverseelectro-magneticmode)areimportant.Nowaveguidesorcavityresonators.Theactualfrequencylimitsdependuponthesizeofstructuresthatcanbebuilt.Usinghybridcircuitsandchiptransistors,itisquitepossibletoconsiderfrequenciesof3……