voltage controlled resistors

[Rory McDonald]

Would this do the trick?
http://products.analog.com/products/info.asp?product=AD5220
Increment/Decrement Digital Potentiometer

-Rory Mc Donald



-----Original Message-----
From: Scott Gravenhorst [mailto:chordman at flash.net]
Sent: None
To: synth-diy at mailhost.bpa.nl
Subject: Re: voltage controlled resistors


In the app notes for the LM13600 there are a couple of circuits
for VC resistors using OTAs.  One circuit provides a resistance 
to ground, the other is totally floating.  I've never tried these.
Note that this is not a VC pot, just a VC R.

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