[sdiy] 440Hz Reference Oscillator.

[Tom Arnold]

On Mon, Jun 05, 2006 at 07:58:50PM -0500, Cole Groff wrote:
> Does anyone know where I could find a simple circuit to built a
> reference oscillator for tuning?

http://homepage.ntlworld.com/henry01/a440_oscillator/a440_oscillator.htm

You can use fairly easy techniques to "bend" the crystal a little and get it
even closer to 440hz.  You'd only need to bend it around 320hz to get it
spot-on.

On second glance this looks so much easier then what I worked up that I dont
know why I didnt go with this.  *sigh*

-- 
 -----------------------------------------------------------------
 - Tom Arnold       -  Free Synth DIY webspace http://www.sdiy.org 
 - SynthGeek        -
 - BBD Fanatic      -  "...is it a virus, a drug, or a religion?" 
 - echo evho wjxo   -    Juanita Shrugs. "What's the difference?" 
 --------------------