On Fri, 26 Oct 2001, David Duffy wrote:

> At 11:50 AM 26/10/2001 +1000, you wrote:
> >I am looking for circuit ideas for a ADC interface for a PC. My requirements
> >are
> >
> >Resolution: 8 bits is fine
> >Vin: 0 - 5V
> >Sample Period: 2us (500ks/sec)
> >Sample time: 1600 samples
> >
> >I have looked at digital scopes but this os overkill for my application.
> >The typical Dick Smith style kits are not quite fast enough.
>
> Have a look at http://www.bitscope.com

  and also at:
http://www.chocbar.demon.co.uk/
http://members.nbci.com/davidjones/dsoa_mk3.htm
http://members.ozemail.com.au/~dljones/files/dsoamk3.txt
http://www.ee.washington.edu/conselec/CE/sp95reports/guterman/final/scope1.htm

but at 500ks/s I think there are cheaper solution by interfacing 8 bit ad
directly on isa bus.

Vasile

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