Test strategies for adaptive equalizers | IEEE Conference Publication | IEEE Xplore

Test strategies for adaptive equalizers


Abstract:

This paper provides an overview of the test strategies for both continuous-time and digitally-assisted adaptive equalizers. Conventionally, an equalizer is characterized ...Show More

Abstract:

This paper provides an overview of the test strategies for both continuous-time and digitally-assisted adaptive equalizers. Conventionally, an equalizer is characterized by the explicit measurement of the eye diagram at its output, which requires a lengthy testing time and is too costly for production testing. Design for testability and special test stimuli have been developed to facilitate circuit performance characterization and go/no-go production testing. In addition, for digitally assisted adaptive equalizers, digital signatures extracted from the tap coefficients in the digital adaptation unit can be used for performance prediction and fault detection.
Date of Conference: 13-16 September 2009
Date Added to IEEE Xplore: 09 October 2009
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Conference Location: San Jose, CA, USA

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