[sdiy] Bernie Hutchins CA3080 VCA

Magnus Danielson cfmd at swipnet.se
Wed Dec 19 21:38:57 CET 2001


From: "Massimo Ischia" <prophet at libero.it>
Subject: [sdiy] Bernie Hutchins CA3080 VCA 
Date: Fri, 18 Jan 2002 19:12:27 +0100

> Hi,

Ciao Massimo!

> Can anyone explain me how works the strange Bernie Hutchins CA3080
> VCA (that with control signal on pin 4)

I have never seen the curcuit, so I can not give a full explanation,
but I note that pin 4 is the negative side of the bias mirror current
and also the output negative mirror current. It would be interesting
to learn more details of this VCA setup.

Jürgen? Harry?

Cheers,
Magnus



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