[sdiy] VCO circuits using the 555 timer?

[René Schmitz]

David Betz schrieb:
> I bought a few 7555 and 7556 chips recently and would like to experiment 
> with building a VCO. I got the idea for using the 555 from the fact that 
> they use it in the PAiA FatMan but I've been unable to find any other 
> VCO circuits that use the 555. Can someone point me to some examples of 
> using it to build a VCO? 

There are a couple of examples for that on my website.

http://www.uni-bonn.de/~uzs159/

Cheers,
  René