[sdiy] What to do with XC4003A's

[patchell]

Magnus Danielson wrote:

>
> Yeah... if you do the phase accumulator you got the frequency
> divisions for free. Toss it through waveshaping and spurt out tones
> and you could even build yourself a Hammond organ equalent... ;O)
>
> Cheers,
> Magnus

    Now, this is a subject I am pretty ignorant on (Hammond organ tone
generators).  I guess I have no excuse for being ignorant on this subject
(My father repairs old Hammond organs as a quasi hobby/business), but I am.
Are there any good descriptions on the internet that explain the operation
of a Hammond tone generator/organ.  Did they all use drawbars?

--
 -Jim
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