Reduce Electrical Noise in Rotary Incremental Encoders with Termination Resistors

June 10, 2013

Since most electronics are set up to have high input impedance, in some situations the addition of a loading or “termination” resistor can help to reduce interference from electrical noise. This can be of particular help when implementing an incremental encoder where there is a long cable run. If the...

Preferred Wiring Methods for Optical Encoders

February 26, 2013

Following these guidelines will reduce the possibility of noise, false counts, ground loops, and other power related problems. Keep cable lengths as short as possible The longer the cable length, the more likely it is to act as an antenna and pick up unwanted noise. Keeping the lengths short reduces...

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