RE: audio oscillator (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Fri, 29 Jun 2007 10:34:27 -0400
From: "Lau, Gary" <Gary.Lau@xxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: RE: audio oscillator (fwd)

Wouldn't op-amp integrators result in triangle-waves?  Making sine waves
is a bit trickier.

> From: William Noble <william_b_noble@xxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: RE: audio oscillator (fwd)
> 
> 
> go to the national semiconductor application notes site and look up a
555
> - you can't get much simpler.  If you need pure sine wave, put two op
amps
> in series, configured as integrators, and just adjust the gain to
change
> freq.  a single dual op amp chip, two caps a resistor and a pot will
do
> the trick