Re: charge sources and matrix

"john" <conphiloso@xxxxxxxxxxx> schreef in bericht
news:1132678955.268204.141540@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Hi,
>
> I can not make 96 channels. But would you please tell me the reasons
> that why should not I look into the switching.
> Thanks
> John

I didn't say you *should* not consider switching, I said it *might*
be easier to make 96 current sources. If that is not possible, it
seems that you need to build your own crosspoint matrix. The available
crosspoint switches are intended for video and always have outputbuffers,
as far as I know. Building a 32x96 crosspoint matrix from generic analog
switches requires a lot of parts, plus a fair amount of digital logic
to set the active connections.

And please don't toppost. It upsets the entire newsgroup here.

--
Thanks, Frank.
(remove 'q' and '.invalid' when replying by email)



> Frank Bemelman wrote:
> > "john" <conphiloso@xxxxxxxxxxx> schreef in bericht
> > news:1132672349.789355.10970@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > > Hello,
> > >
> > > Thanks for ur reply! I meant to say that I have 32 current sources
> > > which I need to connect to 96 different locations. any current source
> > > can be capable of acessing any location out of 96 locations and the
> > > current sources's output should not be connected together.
> >
> > Something tells me it might be easier to make 96 current sources
> > and avoid all that switching.
> >
> >
> > --
> > Thanks, Frank.
> > (remove 'q' and '.invalid' when replying by email)
>


.

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