AW: AW: Matrix board! (a CMOS one)

Ken Stone sasami at blaze.net.au
Thu Feb 25 21:52:54 CET 1999


Haible Juergen wrote:
> 
>         >I just discovered the Harrys CD74HC22106 8x8 digitally 
> controled analog switch array,

<snip>
 
> Does it provide mixing of several inputs to one output ?
> (If not, it cannot replace an EMS style matrix.)
> 
> JH.

It can only route one input to one output at a time. Several would need
to be rigged, with their like numbered output lines fed to a mixer. That
way it could probably be done. Ideally, you would want to make a 3-d
array of them. For an 8x8 you would want 8 chips in parallel, with
inputs in parallel and outputs mixed. Needless to say, if you increased
to a larger number of lines, a prohibitive number of chips would be
required.

Ken

Ken

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                Ken Stone  sasami at blaze.net.au
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