> Hi Nick, good to hear you again,
> Maybe the best cheaper and stable 1Hz, pure sinusoidal
> generator is the wien bridge fet stabilised oscillator. This
> means: one operational amplifier, one simetrical rc network,
> one diode and one fet ( also some extra resistors )
>
> best, Vasile

Ok, I have seen those around.  I have seen several with a lamp in the
circuit which I found quite odd, but just ran across one w/o.  I'll have to
play around with them, though I can't find any with FETs.

> On Wed, 20 Feb 2002, Nick Veys wrote:
>
> > I've seen generating sine waves using PICs and other associated
> > "complex" hardware in the archives.  And can find a
> /couple/ web sites
> > showing some oscillator and integrating amp sine generators
> but none
> > seem too complete or tested.
> >
> > I'm curious how I could go about generating a (roughly) 0-5
> Vpp sine
> > wave, in the range of 1Hz or less...  It doesn't have to be very
> > accurate, just simple, and generate a periodic wave.
> >
> > I'm looking for something made from (fairly) basic
> components (op amps
> > probably being the most complex), no 555 timers, etc,
> that's cheating!
> >
> > My engineering schooling is limited on the EE side (more
> digital) so I
> > can't seem to come up with something that works! :)
> >
> > Thanks!
> >
> > nick@veys.com | www.veys.com/nick
> >
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> >
> >
>
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