Optical Transmissive Encoder has 3-channel architecture.

Press Release Summary:

Suited for office and industrial automation applications, optical incremental encoders of HEDM-5540 series offer resolutions up to 1,000 counts/revolution and accurate position control with use of index as reference point. Units are constructed with lensed LED source, IC with detectors and output circuitry, and Mylar codewheel. In addition to 2-channel quadrature output, 30 x 41.1 x 18.3 mm encoder features third channel index output and up to 100 kHz frequency response.

Original Press Release:

Avago Technologies Announces Enhanced Three-Channel Encoder for Use in Industrial Automation Machines

Competitively Priced Optical Transmissive Encoder Series Offers Increased Resolution and Easy Installation to Help Reduce Design Time to Market

SAN JOSE, Calif., April 2, 2008

Avago Technologies, a leading supplier of analog interface components for communications, industrial and consumer applications, today announced a new series of low cost, high performance three-channel optical incremental encoders for use in a wide range of office and industrial automation applications. Avago's HEDM-5540 encoder series maintains the form, fit and function of its predecessor HEDx-5xxx series for easy conversion while providing increased resolutions up to 1000 counts per revolution (CPR). Typical applications include printers, plotters, tape drives, positioning tables and automatic handlers.

The HEDM-5540 series offers several benefits such as minimal conversion cost to existing customers, proven ease of assembly, and more accurate position control with the use of an index as a reference point. In addition, this encoder series can operate in temperatures from -40 to 100 degrees C to meet most industrial temperature requirements.

Building on the robustness, versatility and reliability of Avago's HEDx-5xxx and HEDx-9xxx series, Avago's new HEDM-5540 series includes a lensed LED source, an integrated circuit with detectors and output circuitry, and a new high temperature Mylar codewheel. In addition to providing more value for the same price and fit, this enhanced encoder series will enable customers to easily make the transition to the HEDM-5540 encoder series.

Avago's HEDM-5540 series has a third channel index output in addition to two channel quadrature. This index output is a 90 electrical degree, high true index pulse which is generated once for each full rotation of the codewheel. Moreover, the HEDM-5540 series is specifically designed for easy mating to a wide range of connectors from a variety of common manufacturers.

o Two-channel quadrature output with optional index pulse
o Quick and easy assembly
o No signal adjustment required
o External mounting ears available
o Small size: 30mm by 41.1mm by 18.3mm
o Up to 100 kHz frequency response
o Operating temperature: -40 to 100-degrees C
o TTL compatible
o Single 5V supply
o RoHS compliant

U.S. Pricing and Availability
The HEDM-5540 series of optical transmissive encoders are priced competitively at $25.52 each in quantities of 10,000 and are available through Avago Technologies' direct sales channel and worldwide distribution partners.

About Avago Motion Control Solutions
Avago Technologies is the industry-leading supplier of motion control encoders. These products meet the stringent requirements of precise positioning and velocity sensing in a wide range of applications from printers, copiers and scanners to servo and stepper motors, and robotic arms and wafer-handling machines. Avago offers "one-stop shopping" with its extensive portfolio of optical encoders, decoders and controllers. The company offers the industry's smallest form factors, widest range of resolutions, and highest level of integration to reduce the number of components needed and shorten time-to-market. Avago's rich motion control heritage dates back to the 1980s and its Hewlett-Packard roots. More information is available at www.avagotech.com/motioncontrol.

About Avago Technologies
Avago Technologies is a leading supplier of analog interface components for communications, industrial and consumer applications. By leveraging its core competencies in III-V compound and silicon semiconductor design and processing, the company produces highly efficient, high-quality products. With a global employee presence, Avago provides an extensive range of analog, mixed-signal and optoelectronic components and subsystems to more than 40,000 customers. Backed by strong customer service support, the company's products serve four diverse end markets: industrial and automotive, wired infrastructure, wireless communications, and computer peripherals. Avago's heritage of technical innovation dates back 40 years to its Hewlett-Packard roots. Information about Avago is available on the Web at www.avagotech.com.

Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies. All other trademarks are the property of their respective owners.

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