Analysing the Robustness of Surfing Circuits |
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Authors: | Suwen Yang Mark R Greenstreet |
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Affiliation: | aDepartment of Computer Science, University of British Columbia, Vancouver, BC V6T 1Z4, Canada |
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Abstract: | Surfing is a technique for implementing high-speed digital pipelines that exploits the analog dynamics of the underlying circuits. Thus, verification must consider the analog behaviour of the design. We have presented a method for analysing the robustness of surfing circuits. We formulate noise margin analysis as a non-linear optimization problem where we find the smallest disturbance waveform that results in a qualitative change in the behavior of the circuit. We present a practical method for solving these optimization problems based on deriving a sensitivity matrix for the small-signal response of the circuit. |
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Keywords: | Surfing Circuits Small Signal Stability Large Signal Stability |
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