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From: "Edward Rawde" <invalid@invalid.invalid>
Newsgroups: sci.electronics.design
Subject: Re: Random thoughts on sinewave oscillators
Date: Fri, 18 Oct 2024 11:25:19 -0400
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"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.

>
>
> -- 
> piglet