VCO using ICL8038

Buck Buchanan voltagecontrolled at
Thu Nov 11 16:06:40 CET 1999

Hi Andy,

If you're going to work with this thing be sure to get the Harris
Semiconductor application note AN013.1 "Everything you always wanted to
know about the ICL8038".  Although I must admit I never knew Harris even
made this part, their name is all over my copy of this note and it's
dated 1996.


Andy Main wrote:
> Hi all,
> Has anyone tried making a VCO using the Harris chip ICL8038 (see
> This is a precision waveform generator, allow PWM of sine, triangle
> (allows adjustment of slope for previous discussions), and square.
> Obviously it'll need other circuitry to change it to be 1V/Oct CV but it
> is temperature stable (altiough it does run hot), ie no need to
> dismantle any cruise missiles to get the temcos !!! Or find matched
> pairs etc etc.
> Appreciate any responses, and I've ordered one for testing for my
> modular design.
> Andy

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