>        This is fairly far off, but the information from this request
>might help others.  I have built several circuits with LM324's, but
>most had a gain of unity and I did not have any distortion problems.
>

<big snip>

When using dual supplies with a 324 or driving a capacitively coupled load,
you often need to add a 6k2 or lower resistor from the output pin to V-.
This is well documented in the spec sheet.

dwayne


Dwayne Reid   <dwayner@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
(780) 489-3199 voice          (780) 487-6397 fax

Celebrating 15 years of Engineering Innovation (1984 - 1999)

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