[sdiy] 4051 mux with caps and buffers?

Tom Wiltshire tom at electricdruid.net
Mon Jul 2 10:43:33 CEST 2012


You're probably thinking of the CEM/PD508:

	http://www.synthtech.com/cem/pda508.pdf

But Veronica's search gives you things you can get now that do the same job.

Tom


On 2 Jul 2012, at 05:29, Robin Whittle wrote:

> I recall in the past there was a 16 pin chip, with the same pin-out as a
> 4051 8-way multiplexer, except that it contained a capacitor for each
> mux output, followed by a buffer.  So it replaced a 4051, 8 capacitors
> and two quad op-amps.
> 
> Can anyone recall what this chip was?  I hope it is still available.
> 
>  - Robin
> 
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