NE 566 + have you checked out the 8038

[Kevin Lightner]

>
>One chip I am currently planning with is the 8038 Function Generator chip.
>This is a lot more versatile, with Sine, Square and Triangle outs. There is a
>Sine wave adjust pin, and a Duty cycle adjust (which works for all waveforms)
>enabling Ramp both ways.

I wouldn't recommend the ICL8038 for music uses. As I remember it, it had
linear control anyways.
The waveforms also had widely different amplitudes, if memory serves me correct.

Maybe as an LFO.....?

>I am will be planning to build an 8038 based VCO in the V. near future. After
>I have built 2 PAIA modules, and I have finished digging the F*&^%#$!@
>garden for
>these slabs@!!!

I hope they are 2700 or 4700 series linear CV modules.

-Kevin