[sdiy] XR2206 and XR2207

[patchell]

    These chips are OK for non-pitch-critical applications.  The XR2206
is probably the most useful of the two, as it has a multiplier and a
sine shaper on board.  Both chips, however, are very non-linear.  My
first attempt at an exponential controlled oscilator used an
XR2207....(the year was 1975...maybe 76), and I quickly discovered it
was un-tunable.  But, if you don't need accurate pitch, they are very
nice chips.  (think LFO)...

Karl Ekdahl wrote:

> Has anyone built any useful circuits (VCO or LFO
> mainly) around the XR2206 or XR2207 chips?? I have one
> of each and was thinking that maybe they could be of
> some use....
>
> /Karl
>
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--
 -Jim
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