Gentlemen,
I have a manual CMM with scales. The display box is very old and almost
functional. I would like to replace it with EMC2. Simple enough except for
the scale feedback. The scale feedback is four sine waves at 0, 90, 180 and
270. These are, I think, approx 1 volt magnitude. What can I use to get this
into EMC2 in a usable fashion.
The original display has an 'amplifier, check, divide' board.
I don't know the resolution of the sine wave.
I have an sn7404n chip and a couple germanium diodes hooked to a bread
board. I don't see anything out of the chip. I was expecting a pulse that
would allow me to determine the resolution. At this time I have exceeded my
electronics capabilities.
Is there a chip or reasonable board I can use to change the sine waves to
pulse or quadrature?
thanks
Stuart
--
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