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Automated test solution boosts accuracy

Posted: 04 Dec 2008     Print Version  Bookmark and Share

Keywords:test solution  physical layer testing  DisplayPort  test process 


Agilent Technologies Inc. and Quantum Data Inc. have co-developed a DisplayPort test solution that fully automates physical layer testing of the DisplayPort main link for sink- and source-device testing.

The new Agilent W2642A AUX Channel Controller enables engineers to control a device under test through the DisplayPort connector only. Separate proprietary software for back-channel control of each test device is no longer required.

Customers can now expect productivity to improve dramatically because engineers and other test personnel no longer must be present during the test process, which can take five hours for DisplayPort sources. Compliance test labs will also find these processes offer them increased productivity, consistency and accuracy.

In addition, developers can now automate physical layer tests using the same test instrument they need for testing and understanding the link layer. Automated physical layer tests can be made using Agilent test equipment such as the DSO90000A Infiniium oscilloscope or the N4903A J-BERT with the N5990A test automation software.

The W2642A is based on the Quantum Data 882E frame and incorporates Agilent IP for DisplayPort AUX channel control. The W2642A also features:

-Graphical user interface for stand-alone operation—The W2642A can control the state of a DisplayPort source or sink device for verification of data exchange over the DisplayPort AUX channel.

-Link layer and high-definition content protection (HDCP) compliance testing—This capability was leveraged from the Quantum Data 882 video test instrument.

"It was clearly a synergistic play," said Al Jorgensen, president and CEO of Quantum Data. "Agilent had developed the IP for the AUX channel control while Quantum Data had already developed the link layer and HDCP compliance test capability as well as AUX channel analysis. Adding the automation feature to our platform seemed very natural and logical to us. The result is an instrument set that customers can use to do any testing required for DisplayPort."

The Agilent DisplayPort test solution (W2642A) is available now. Pricing starts at Rs.43.03 lakh ($86,000), depending on the configuration.

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