[sdiy] Equiv of LM3900?

[Magnus Danielson]

From: mark verbos <a0284520 at addcom.de>
Subject: Re: [sdiy] Equiv of LM3900?
Date: Sat, 02 Mar 2002 19:58:17 +0100

> 
> 
> Steve Ridley wrote:
> 
> >
> >The LM3900 (and the ones I've lsited above) are current difference
> >opamps.  You can't just substitute any "normal" opamp.  (Actually
> >you can, but then it won't work).
> >
> Ha. That's true about everything isn't it? ;)

Indeed.... but to be even more correct it should say ", but then it
won't work anything near as you migth expect from the original
design".

Ah well...

Cheers,
Magnus