Compensating multi-stage feedback (was: RE: all tranny vca+ )

[Magnus Danielson]

From: patchell <patchell at silcom.com>
Subject: Re: Compensating multi-stage feedback (was: RE: all tranny vca+ )
Date: Sun, 02 Jul 2000 09:44:48 -0700

> 
> 
> Magnus Danielson wrote:
> 
> <snip>
> 
> > Linear filtering
> > Impulse responce (_should_ be the result of linear filtering)
> > Cross-over distorsion (small signal distorsion)
> > Linearity (medium signal distorsion)
> > Clipp and clipp behaviour (large signal distorsion)
> > Feedback loop behaviour on distorsion
> > Amplifier load impedance behaviour
> > RF intermodulation (any non-linear section will act as a mixer)
> > Noise and noise modulation
> > Cross-talk
> >
> 
>     I would add slew rate.  Once an amplifier has started to slew, you are in a
> non-linear state. (IMHO).

I was actually thinking of this but decided it was allready covered by the
broad points. But sure, it is an important case.

Cheers,
Magnus