More on Crosspoints.

[Paul Maddox]

Steve,

>
> Another part is the MT8808 from Mitel, which is an 8x8 analog switch.  I
got
> samples years ago and keep meaning to hook them up.  Check out
www.mitel.com
> for details.  Setting the bits in the chip is a pain unless you have it
> hooked up to a micro.
>

I'll take a peek incase that got something new out... thanks.

> If you put the matrix in the middle of a circuit with the outputs going to
> summing opamps, and the inputs going through 10k or so resistors, would
this
> not give you a logic-controlled switching mixer?  Or am I missing
something?
> For audio you could also put in DC offset blocking bypass caps.
>

ahhh, but as I explained (or rather tried to), you have to have the
resistance built into EACH switch else it'd be just like connecting all the
summing opamps together..

Paul
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