[sdiy] interesting expo design

[Tim Ressel]

I was thinking a AD633 multiplier from Analog Devices
would do the trick. Turns out it will, but its
accuracy is only 2% of full scale. Good enough for a
filter maybe, but not for a vco.

--TR

--- René Schmitz <uzs159 at uni-bonn.de> wrote:
> At 16:21 06.05.02 -0700, Tim Ressel wrote:
> >If one were doing a combo midi2cv/vco design, this
> >would be a killer circuit to use. The uP could run
> a
> >multiplying DAC, which would replace the pot in the
> >circuit. With a 12-bit DAC, you could conceivably
> make
> >a trimless design. Very interesting...
> >
> >--TR
> 
> Some of the CEMs were doing exactly this. 
> 
> Cheers,
>  René
> 
> 
> -- 
> uzs159 at uni-bonn.de
> http://www.uni-bonn.de/~uzs159
> 
>  
> 


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