Cgs synth

>I am building a joystick controller based on the schematic at CGS
>site. The offset pot is specified as 25K but I would like to use 50K
>because that's all I have onhand. Will this work, would I need to
>change the 22K resistors coming from the +/- supplies to different
>values ?

Increase the 22k resistors ro 47k.

> Also, I have spring centered joysticks and would like to get
>negative voltages when I pull down and positive going up. Can I just
>attach the pot end that goes to ground to the negative supply ? If so
>will I need a resistor matched to my joystick in series.

Yes and yes. It is the ratios that are important, not the exact values.

Ken
_______________________________________________________________________
Ken Stone sasami@...
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