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...
May 13, 2013
May 4, 2013
May 1, 2013
“What resolution of rotary encoder do I need?” is a question designers often ask themselves. A common mistake is that a higher resolution is always better. This may or may not be the case. Ultimately it is the nature of the application that decides. Here are some things to take...
April 27, 2013
April 15, 2013
Here are a few definitions of the word “hysteresis” I found online: From Sensorland.com Hysteresis – Non-uniqueness in the relationship between two variables as a parameter increases or decreases. Also called deadband, or that portion of a system’s response where a change in input does not produce a change in...
April 8, 2013
. In Optical Encoders, the item most affected by temperature is the output of the Light source. In most cases this is an LED. Below is a graph of the relative light output of the light source measured as photocell current on an optical encoder over temperature. You can see...
March 20, 2013
The following is a comparison of Bearing Encoders vs Modular (Bearingless) Encoders for use in Brushless DC Motors. Construction Bearing encoders have a shaft that is centered to the body of the encoder on a bearing system. Modular encoders have a shaft that does not use bearings so the shaft/disk...
March 10, 2013
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