Re: noisy encoder signals.

On 1 Jun, CAD_CAM_EDM_DRO@yahoogroups.com wrote:

> Jon Elson,
>
> Question for you:
>
> At NAMES, you mentioned an IC that can be used to reduce the noise
>that may be picked up by encoder signal wires. Some sort of
>differential amplifier. Could you refresh my memory with the part
> number of the transmitter/receiver IC or series?
>
> Thanks again,
>
> Tom Eldredge

A better choice than a 7404 may be the 9637/9638 pair. These are a dual
channel differential driver and receiver, just about the perfect choice
for this application.

I made up some boards for my DRO, using RJ45s on both ends and running
CAT-5 ( network ) cable between them all. Works great.

Alan

--

Alan Rothenbush | The Spartans do not ask the number of the
Academic Computing Services | enemy, only where they are.
Simon Fraser University |
Burnaby, B.C., Canada | Agix of Sparta