Re: Random thoughts on sinewave oscillators

"piglet" <erichpwagner@hotmail.com> wrote in message news:vetde5$38sbk$1@dont-email.me...

Edward Rawde <invalid@invalid.invalid> wrote:

>
The circuit below produces a reasonable looking sinewave but the rise
time still seems to be slower than the fall time. It may be that the
amplifier in use is not ideal for this.
>

>
Could that just be second harmonic distortion? You could test the amplifier
by uncoupling the Wien network and injecting test inputs.
>
Elsewhere I think your amplitude control problems could be simply due to
too much gain.

Perhaps, but I've not so far been able to get the circuit I posted in response to Bill to produce a sine wave no matter what I do
with the control loop gain.
It either grows to clipping or dies.

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piglet