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...

Interlaced Sensor Technology in Rotary Incremental Encoders

May 13, 2013

The shadow technology sensing scheme patented by Quantum Devices Incorporated also corrects for disk centering problems such as disk eccentricity and disk wobble, where the movement and alignment of the disk varies in three dimensions, and normally creates variations in signal amplitude and ultimately output signal.

The Robust QD-H20 IP66 Industrial Rotary Encoder

May 4, 2013

The QD-H20 is an idea replacement encoder for size 20 and size 25 industrial applications. It is an IP-66 sealed rotary incremental encoder. This high IP rating provides outstanding environmental protection with all of the line count and output options of the QD-145 incremental encoder.

Choosing the Resolution of a Rotary Incremental Encoder

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...

The HR12 HEDS Replacement Optical Encoder

April 27, 2013

HEDS style encoders have long been a popular choice for an enclosed low line count positional feedback device. The packaging allows for added enclosure protection in a lighter duty encoder. This type of product is often seen in applications such as vending machines, printers, plotters, positioning tables, etc.

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