[sdiy] Substitute for pin matrixes?

[karl dalen]

I have also been fooling around with that idea, its certainly dirt cheap.
The resistors converts patch voltages into current, sums at OP amp virtual
node -input.

It would be interesting to know the liftime of IDC's for sure.
IDC's are also known as flat cable connectors. Turn one upside
down and insert a resistor leg and feeeeeeeel the smoothness! :-)

KD


--- Den sön 2010-01-24 skrev David G. Dixon <dixon at interchange.ubc.ca>:

> Från: David G. Dixon <dixon at interchange.ubc.ca>
> Ämne: RE: [sdiy] Substitute for pin matrixes?
> Till: "'karl dalen'" <dalenkarl at yahoo.se>, synth-diy at dropmix.xs4all.nl
> Datum: söndag 24 januari 2010 04.06
> > Thats what i *mentioned* in my
> very first posting named Pin lists!
> > Thingy thing are called bridges. Resistors soldered on
> PCB rater
> > stuck in patch wire or bridge.
> 
> Oh yeah.  I went back and read it.
> 
> Anyway, it seems like a pretty darn good idea to me: it's
> dirt cheap,
> infinitely expandable, and it doesn't take up much room on
> the ol' front
> panel.  I think I might just build one myself!
> 
> So, what's the purpose of the resistors, and couldn't they
> just be put at
> the ends of each bus?
> 
> 


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