[sdiy] 1.0 kohm "tempco" for VCO / sub octave question

[Martin Fay]

Michael wrote:
>If you simply combine the original saw and a suboctave square, you get a wave 
>that's not really saw-shaped, isn't that correct?  Isn't it more like a 
>sawtooth superimposed on a square?  Or am I not clear on the method you're using?  
>I would love to be able to get a very pure sawtooth suboctave by some simple 
>method.

It depends on the relative phase of the sawtooth and the suboctave
square. If the rising edge of the sawtooth and the square align then
you will get very close to a sawtooth at the suboctave pitch. If the
sawtooth retrace and the square downward edge are not precisely the
same there will be some kind of glitch at the point the downward
(slow) edge of the suboctave saw crosses zero.


Martin

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