Re: [CAD_CAM_EDM_DRO] Clifton Precision Servo Specs

In a message dated 10/14/2002 11:59:51 AM Central Standard Time,
waynewhippo@... writes:

> The encoder has a circuit board labeled "Texas Instruments" and has
> a LM339N chip on it. Any idea if it is TTL compatible?
>

This is a "quad comparator". Each comparator has an open-collector output,
and hi-Z + and - inputs. It is very useful for all KINDSA stuff, and, if a 5
VDC supply is used, and, say, a 2K pull-up R, you could call it "TTL
compatible". Sorta. But it is really an "analog part", not "logic".


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