Wein Bridge?

[Jack Crenshaw]

I was under the impression that low distortion was the circuit's main
feature.

Jack

Neil Morrison wrote:
>
> Did you want to build one of these? Most people usually go for a low
> distortion circuit, and the Wein isn't optimum for that IIRC.
>
> Neil
>
> ----- Original Message -----
> From: "Jack Crenshaw" <jcrens at EARTHLINK.NET>
>
> > I just have a question out of curiosity.  I recall, back in the
> 50's,
> > hearing a lot about the Wein bridge oscillator.  Supposedly, it was
> the
> > best way to build an audio oscillator -- gave a naturally low
> > distortion. I recall that it used a light bulb in the bridge
> circuit, as
> > a temperature-dependent resistance to control amplitude.
> >
> > It seems to me that one of the Heathkit oscillators used the Wein
> > bridge. I vaguely remember reading articles about it, and seeing
> the
> > schematic in various magazines.  However, none of the oscillators
> I've
> > seen, including the excellent AG-9A and AG-10, seem to use it.  As
> I
> > recall, the AG-9A uses a split-T oscillator.
> >
> > Anyone here recall more about which model used the circuit?

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