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From: jeremi@kakwa.ucs.ualberta.ca (William Jeremiah)
Subject: Re: Decoding Sine/Cos shaft encoders
Message-ID: <1993Jun3.233114.22811@kakwa.ucs.ualberta.ca>
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Date: Thu, 3 Jun 1993 23:31:14 GMT
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Ravin Balakrishnan (r344@jupiter.sun.csd.unb.ca) wrote:
: Does anyone know of an easy (i.e. read 'cheap', perhaps a single chip?) way
: to decode analog optical shaft encoders which output sine/cosine signals?
: Ideally I'd like it to feed a bidirectional counter so that I can determine
: the direction and magnitude of movement.  I know that some shaft encoders output
: quadrature pulses, but I already have these sine/cosine devices connected to themotors I want to use and don't really want to buy new shaft encoders.

Would a Shmidt trigger and a diode bridge work for getting logic pulses?

Jerry
: -- 
: --------------------------------------------------------------------------
: Ravin Balakrishnan                       Email: ravin@vermis.cs.unb.ca
: Faculty of Computer Science
: University of New Brunswick

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