brucebeaty wrote:


>  Note:  Any "ring of three" (or any odd number) of CMOS inverters will 
> self-oscillate.  One problem is that the more (active) gates there are in 
> sequence the greater the power consumption will be.  A better bet might be 
> to use a HCMOS Schmitt trigger package, such as a 74HC14 Hex Inverter or a 
> 74HC132 Quad Schmitt triggered NAND.

I used to play with 74C914 (basically a 7414) when I was a boy, and was 
frightened that I could make 6 (six) tone generators out of one single 
chip... and mix/envelope them together! :)

-- 
Ciao, Dario -- ADPM Synthesis sas -- http://www.adpm.tk
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