[AMPS] Conjugate Matching and Efficiency

Peter Chadwick Peter_Chadwick@mitel.com
Tue, 29 May 2001 16:04:46 +0100


Jon says:

> It goes inside the source model and acts
>like there is a dissipative resistance inside.  

A minor point is that the model with dissipative resistance does work to explain
the loading of tuned circuits by the plate resistance in Class A stages - which
is why the advantages of pentagrid converters where the addition of the
suppressor produces a virtual cathode and raises  rp, thus reducing damping of
the IF transformer primary.

73

Peter G3RZP

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