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Parametric Search : Transmissive Encoders

The Transmissive Encoder is an emitter/detector module. Coupled with a code wheel, this transmissive encoder translates rotary motion of a shaft into digital output. The transmissive encoder contains a single Light Emitting Diode (LED) as its light source. The light is collimated into a parallel beam by means of a single polycarbonate lens located directly over the LED. Opposite the emitter is the integrated detector circuit.

This IC consists of multiple sets of photodetectors and the signal processing circuitry necessary to produce the digital waveforms. The code wheel rotates between the emitter and detector of the Transmissive Encoder, causing the light beam to be interrupted by the pattern of spaces and bars on the codewheel. The photodiodes which detects these interruptions are arranged in a pattern that corresponds to the radius and design of the code wheel. These detectors are also spaced such that a light period on one pair of detectors corresponds to a dark period on the adjacent pair of detectors. Avago offers an extensive range of transmissive encoders to meet the different needs of a wide variety of applications.
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Transmissive Encoders
Part Number Data Sheets & Technical Specifications Distributor Inventory Product Name Lifecycle RoHS6 fully compliant Resolution Motion Type Optical Radius (mm)













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HEDS-9100#C00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 100 Rotary 11
HEDS-9000#T00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 2000 Rotary 23.36
HEDS-9140#G00 Data Sheet - HEDS-9040, HEDS-9140, Three Channel Encoder Modules Yes Three Channel Optical Incremental Encoder Modules Active Y 360 Rotary 11
HEDS-9140#B00 Data Sheet - HEDS-9040, HEDS-9140, Three Channel Encoder Modules Yes Three Channel Optical Incremental Encoder Modules Active Y 500 Rotary 11
HEDS-9140#F00 Data Sheet - HEDS-9040, HEDS-9140, Three Channel Encoder Modules Yes Three Channel Optical Incremental Encoder Modules Active Y 256 Rotary 11
HEDS-9140#I00 Data Sheet - HEDS-9040, HEDS-9140, Three Channel Encoder Modules Yes Three Channel Optical Incremental Encoder Modules Active Y 512 Rotary 11
HEDS-9140#S00 Data Sheet - HEDS-9040, HEDS-9140, Three Channel Encoder Modules Yes Three Channel Optical Incremental Encoder Modules Active Y 50 Rotary 11
HEDS-9040#B00 Data Sheet - HEDS-9040, HEDS-9140, Three Channel Encoder Modules Yes Three Channel Optical Incremental Encoder Modules Active Y 1000 Rotary 23.36
HEDS-9100#G00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 360 Rotary 11
HEDS-9100#B00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 1000 Rotary 11
HEDS-9100#E00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 200 Rotary 11
HEDS-9100#I00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 512 Rotary 11
HEDS-9100#J00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 1024 Rotary 11
HEDS-9101#A00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 500 Rotary 11
HEDS-9101#G00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 360 Rotary 11
HEDS-9140#A00 Data Sheet - HEDS-9040, HEDS-9140, Three Channel Encoder Modules Yes Three Channel Optical Incremental Encoder Modules Active Y 500 Rotary 11
HEDS-9000#U00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 2048 Rotary 23.36
HEDS-9040#T00 Data Sheet - HEDS-9040, HEDS-9140, Three Channel Encoder Modules Yes Three Channel Optical Incremental Encoder Modules Active Y 1000 Rotary 23.36
HEDS-9100#A00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 500 Rotary 11
HEDS-9101#C00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 100 Rotary 11
HEDS-9101#E00 Data Sheet - HEDS-9000, HEDS-9100, Two Channel Encoder Modules Yes Two Channel Optical Incremental Encoder Modules Active Y 200 Rotary 11
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