[sdiy] Yamaha IG00159 internals

[Tom Wiltshire]

Is that the CS-80 envelope chip? I think I wrote a PIC-based copy of that for Old Crow. It was yonks ago now. It's not a drop-in replacement, but a functional clone. I can dig the details out if you're interested.

Tom

On 17 Jan 2017, at 13:05, Nicholas Keller <niroke at tampabay.rr.com> wrote:

> Does anyone know of an internal diagram for the IG00159 amp EG chip?  Or has someone made a stand-in circuit for the chip alone?
> 
> Thanks 
> 
> Nick
> 
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