> Philip Cowley wrote:
>
> > If I put the 2016s right by the encoders
> > then I have a long parallel cable...
> > But if I put them next to the PC then I have long leads
> > carrying the quadrature signals... Very noisy.... Any ideas???

Put a micro near the encoders and use one of the differrential
serial links like rs485. It is good for a considerable distance,
uses serial ports and is quite reliable.

Walter Banks