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http://worldcat.org/entity/work/id/322470156

Efficient test methodologies for high-speed serial links

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  • "Several industries rely on the loopback based I/O margining test to efficiently guarantee the quality of their high-speed interfaces. We explore the limitations of this margining test and propose a total jitter estimation technique that can estimate the timing margin at a very low BER level only using the information from a higher BER region."
  • "Next, the BER is estimated using the jitter spectral information and the characteristics of the clock and data recovery (CDR) circuits to eliminate the time consuming BER testing procedure. These parameters are critical for BER estimation because the CDR circuit is responsible for reconstructing the transmitted data at the receiver and tolerates the certain frequency range of the jitter. The estimation techniques are developed both for linear and non-linear CDR circuits."
  • "Since BER is primarily determined by the amount of jitter in the signal, the BER can be predicted by measuring the jitter. To efficiently measure the jitter, a simple comparator-based undersampling technique is described. This technique requires only simple extra circuitry and an analysis algorithm for jitter measurement. This enables it to be easily applied to testing devices that have multiple high-speed interfaces in a single chip."
  • "High performance serial communication systems often require the Bit Error Rate (BER) to be at levels of 10-12 or lower. The excessive testing time for measuring such low BERs is a major hindrance in testing communication systems. This dissertation focuses on developing efficient testing techniques for high-speed communication systems to cope with this challenge."
  • "Finally, a two-tone based design-for-test (DFT) method is described for continuous-time adaptive equalizers. Even if equalizers are found in today's serial interfaces to address the channel bandwidth limitation, high-quality and cost-effective production test methods are not yet well developed. The two-tone based technique can efficiently detect defects either in the equalization filter or in the adaptation loop without incurring a significant area overhead and performance degradation."

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  • "Electronic books"@en
  • "Online resources"
  • "Dissertations, Academic"

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  • "Efficient Test Methodologies for High-Speed Serial Links"
  • "Efficient test methodologies for high-speed serial links"@en
  • "Efficient test methodologies for high-speed serial links"

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