[sdiy] pin 5 3080

[Trevor Page]

mmm, these circuits require the use of a transconductance opamp?

~ Trev

----- Original Message -----
From: =?iso-8859-1?q?Ken=20MacBeth?= <macbeth2600 at yahoo.co.uk>
To: synth-diy at node12b53.a2000.nl
Sent: Thu, 15 Mar 2001 12:53:41 +0000 (GMT+00:00)
Subject: [sdiy] pin 5 3080

> Hi, All. Curious question, here. On some circuits I
> see a 3080 used as an op amp. For instance in the
> micro/multi moog schemos, filter section, one is used
> in the regeneration loop. Pin 5 has a resistor tied to
> the supply. I've seen this also in other circuits. I
> thought the whole point of the OTA was to vary the
> current/gain. Please help put me right!
> Regards, Ken.
> 
> ____________________________________________________________
> Do You Yahoo!?
> Get your free @yahoo.co.uk address at http://mail.yahoo.co.uk
> or your free @yahoo.ie address at http://mail.yahoo.ie




____________________________________________________________
Freeserve - get your free ISP service including web-mail at:
www.freeserve.co.uk