In message  <01bd2be6$5431bc60$083d11ac@heartofgold.satellites.twin.dev>
 PICLIST@MITVMA.MIT.EDU writes:
> Many thanks for everyone who has helped me with this subject....
>
> After having a good look at the HCTL2016 chip... I think I can do the whole
> job with it alone (ok one for each stream...)
>
> I have a 24bit wide I/O card for my PC with which I can drive the 2016s... A
> two chip solution!!!!!!
>
> The only problem I can see is the distance from the encoders to the PC...
> about 30 feet!!! If I put the 2016s right by the encoders then I hav a long
> parallel cable... Not good! But if I put the 2016s next to the PC then I
> have long leads carrying the quadrature signals... Very noisy.... Any
> ideas???

Put the 2016s by the encoders, put a PIC by the 2016s and use rs232 to
the PC.

Cheers,

Mike