> (Jon)
> Carl,
>
> The amps we are dealing with here are Class AB devices and as such are
> "pseudo-linear." S-Parameters are not valid for anything other than Class
> A. Just using your own words.
>
Hoist by my own petard, as it were!
Actually AB amps, thought of as "black boxes" with two ports, are as
reasonably linear as any other amplifier, at least at the design frequency.
It's the internal currents that are nonlinear in the extreme.
-- Carl
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