[sdiy] exar chips (xr2209, xr2212)

[Greg Montalbano]

At 10:26 AM 8/6/01 -0400, you wrote:
>
>	I hear there is an old schematic (1983 / polyphony / craig
>anderton) for making a VCLFO out of an XR2209 or XR2212... anyone have
>schematics for using these as LFOs? i know they have horrible linearity,
>but I am looking to make one (or several) simple VCLFOs...
>
>	thanks,
>	andy
>

I've got a scan of the article; it's two GIF files -- can send them to you,
if you like.

It was the 2209, and I built it a LONG time ago -- seem to recall it was
kind of tricky to calibrate, but worked fine afterwards.

~G