[sdiy] Any noise avantage to parallel 2164 VCAs?

Neil Johnson neil.johnson71 at gmail.com
Sun Jun 17 23:55:44 CEST 2018


Hi,

electronicpresskit wrote:
> I think it’s more accurate to think of the 2164 gain cells as a voltage controlled resistor rather than an opamp stage.

No, please don't do that.  Once you get the wrong mental model you'll
never understand how it works.
The input looks like an inverting op-amp with internal feedback path,
and the output is a current that needs to go to ground.

Neil
-- 
http://www.njohnson.co.uk




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