Re: [CAD_CAM_EDM_DRO] Need Encoder Hookup Help

Hi Bob,

There was a 7400 series inverter chip with an open collector output
that would work, 7405? It's getting late. One of those and a resistor
hooked up to +5 and +12 would do it. I'm heading out of town for a bit
or I'd send you a diagram.

Also check out the Art of Electronics by Horowitz and Hill for some
simple circuits that would work.

Paul

>
> OK you techy types, help me out.
>
> I have a coule of Red Lion counters which will make dandy readouts
> for a DRO. I also have some of the famous Goldmine motors with attached
> encoders.
>
> The problem: The encoders are 5 volts and the counters are 12 volts.
> The 5 volt outputs from the encoder will not trigger the 12 volt logic
> of the counter. I need a simple circuit that will use the 5v pulses
> from the encoder to create 12v pulses for the counter.
>
> Thanks,
>
>
>
>
> Bob Bachman
>
> "It's our choices that show what we truly are,
> far more than our abilities" - A. Dumbledore
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--
Paul Amaranth | Rochester MI, USA
Aurora Group, Inc. | Systems & Software
paul@... | Unix / Windows / NT