[sdiy] frequency tripler

[Neil Johnson]

Hi Geoff,

> Hi ALL , thanks for your replies. It does work , just not what i  
> expected , now where's that difference amp.

You can achieve the same thing with the classic diode-based  
wavefolder circuit.  Ken Stone (CGS) has one up on his site:

http://www.cgs.synth.net/modules/cgs29_wave_multiplier.html

If you look at the bottom of the schematic you'll see 6 stages of  
basically what you found.

Cheers,
Neil
--
http://www.njohnson.co.uk