[AMPS] Impedance of amplifiers

[Peter Chadwick]

Tom,

How do you model the power amplifier output impedance? Since a current
generator of gm.vg in shunt with ra, or -mu.Vg in series with ra is
inapplicable 
(let's assume that Class A is NOT under discussion), what is your model?

73

Peter G3RZP



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