[sdiy] LM13700 single supply?

[flightofharmony at comcast.net]

Instead of trying to explain the circuit I have posted the schematic and accompanying text on my site here: http://www.flightofharmony.com/VCO.html

(I don't know if this is kosher, so the page will be deleted tonight.  Please don't sue me Mr. Jung!)

~flight

p.s. - this is send attempt #2, Outlook and SDIY just don't get along...

-----Original Message-----
From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of Paul Perry
Sent: Friday, June 15, 2007 8:44 AM
To: Synth-diy at dropmix.xs4all.nl
Subject: RE: [sdiy] LM13700 single supply?

Infuriatingly, I only have the 1st ed of Jung's 555 book - and it doesn't
have this.

But, unless he is doing something exotic with the 3080 (as in that notorious
VCA) then the 3080 can be replaced by half a 13700.

Can you say what is happening in the circuit?

Paul Perry Melbourne Australia 

-----Original Message-----
>I am experimenting with the exponential VCO from Walter Jung's IC Timer
>Cookbook 2nd ed., p. 239.  I want to use an LM13700 in place of the CA3080,
>but he has this circuit set up for single-supply. Can the LM13700 be used
>this way? 


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