Yamaha CS80

Elie,

I believe they are both.  Pin1 is the exponential input and pin 2 is the
linear input.  There's a block diagram in the Yamaha IC Guide book on page
32 here:

*http://tinyurl.com/862alwh*
*
*
*----Jim
*
On Tue, Nov 15, 2011 at 10:16 PM, elie <elieman@...> wrote:

> **
>
>
> Hi, I'm implementing a CS-80 Ring Modulator design on another Yamaha
> Synth. No problem getting the Modulator & buffer amps, VCO chip but the VCA
> (IG00151)and Envelope Generator (IG00159) are not practical to purchase.
>
> My question is if the VCA and Envelope Generator are Linear or Exponential
> in function?...not sure if the service manual might answer that so just in
> case anyone knows?
>
> Thanks!
> Elie
>
>  
>


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