Suboctave generator - 4013?

[harry]

IMHO if you want to do large shifts - more than 2X you should start with
the PLL approach.  it gets harder to use analog techniques like multipliers as
distortion (errors) creep in

H^) harry

Toby Graves wrote:

> What I want to do is multiply a square wave frequency by 8, then divide it
> by 7 to get a major 2nd (approx) and divide by nine to get a major ninth
> (approx).  Unfortunately, I've been having such a hell of a time just
> multiplying a nice square wave two or three times that I've almost given up
> on my dream of a semi-chromatic dissonance generator.
>
> Btw, can I use a 565 to multiply freq of a square wave by 2?  Anybody want
> to draw me a schematic?  Or should I use a 4046?
>
> toby