[sdiy] X8 squarewave multiplier.

[Scott Gravenhorst]

Dave Kendall <davekendall at ntlworld.com> wrote:
> 
>> It's a hell of a lot easier to start out with an 8X square wave and divide it
>> down to 1X than to generate an 8X from a 1X signal.
>
>I'd worried about that, not ever having seen frequency multipliers anywhere
>in synth diy sites.....

http://home1.gte.net/res0658s/fatman/4046pll.html  I forgot to include the URL.

I say that it tracks over 6 octaves, but it might do more, I don't know, that's
all I tested.

>
>> Off the 
>> top of my head the way I'd do it is leading and falling edge triggers
>> triggering one shots of the proper period. You'd have to have 3 levels of
>> those though.
>
>I guess there might be a risk with successive trigger delays?, and changing
>voltages probably would complicate matters even further. Hmmm...
>
>
>Dave
>

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