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

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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