标签: ii-4ho

II-4HOII-4.PowerWavesandSp-Parameters(1)CircuitswithTx-lineandLumpedCircuitsTravelingwavesinaTx-lineincidentwavea(x)reflectedwaveb(x)LumpedCircuitsNoTx-lineNoZ0MeaninglessΓ0andΓINV+(x)=Z0a(x)V(x)=Z0b(x)1xV+(x)I+(x)V(x)ZIN(d)=I(x)Z0=V(x)Γ(x)=+V(x)ZZ0Γ0=LZL+Z0→PowerWavesICE651MMICDesignII-4-1II-4.PowerWavesandSp-Parameters(2)PowerWavesPowerwaves,apandbpdefinedbyalineartransformationanalogoustothetravelingwavesap≡1[V+ZSI](1)2RStravelingwavesai(xi)=bi(xi)=1[Vi(xi)+Z0iIi(xi)]2Z0i1[Vi(xi)Z0iIi(xi)]2Z0i1bp≡VZ*IS2RSwhereRS=Re[ZS]Reasoning[]PAVSV=ESZSI∴ap=ap2(2)1[ESZSI+……