noise, the 4006 and an xor

[KA4HJH]

>I have a circuit that a friend passed on to me that uses a 4006 shift
>register, cd4070 Quad XOR and the VCO section of a 4046. I'm sure someone has
>seen this before. I don't quite understand how the shift register and XOR
>gates do the things they do. This was a partially completed project of his
>and I have no schematics for the whole synth. If anyone knows a source to
>schematics for a noise circuit like this I'd also be appreciative.
>Peter B

Harry has a scan of that one.


-- 
Terry Bowman, KA4HJH
"The Mac Doctor"