Re: Differential to TTL

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "roboticscnc" <gsm42@...> wrote:

>
> Hi Group,
> I have a differential encoder ( MPG ) that I need to convert to single
> ended. I'm using the 0v and A, but the high is only 3.25 volts. I seem
> to remember that you can use a resistor between A & -A but not sure
> how to connect the rest or the circuit. I would prefer not to use
> another IC if possible. Maybe a coupling capacitor ?
> Thanks,
> Glen.
>

If you want to do it right and maintain the advantage (low noise) of
the differential use a 26LS32 four channel differential Line Receiver
IC. The 3.5 signals should work fine as inputs to that chip.

TOM CAUDLE
www.CandCNC.com