[sdiy] Lorenz attractor analogue multipliers

[Finlay Shakespeare]

Seconded, I'd love to build that circuit (thanks for the link James, that's 
awesome) cheaply.

http://www.futuresoundsystems.co.nr
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From: "James Dunn" <james at 4thharmonic.com>
Sent: Friday, June 20, 2008 6:06 PM
To: "synth-diy at dropmix. xs4all. nl" <synth-diy at dropmix.xs4all.nl>
Subject: [sdiy] Lorenz attractor analogue multipliers

> Hi,
>
> A while ago someone posted a link to this circuit on how to build a Lorenz 
> Attractor: http://frank.harvard.edu/~paulh/misc/lorenz.htm
> Since MPY634's are quite expensive and not the easiest part to source, I 
> wonder if they could be substituted for a couple of AD633's?
> They seem to be pretty much the same except the MPY634 has non-inverting 
> and inverting z inputs, whereas the AD633 just has one z input. Would it 
> just be a case of connecting the z input (pin 4) of the AD633 to the 
> output (pin 5)?
>
> James
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