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Evolvable Analog LSI

a yield enhancement method with area and power dissipation reductions
  • Masahiro Murakawa
  • Yuji Kasai
  • Hidenori Sakanashi
  • Tetsuya Higuchi
Part of the Genetic and Evolutionary Computation book series (GEVO)

Abstract

We propose a concept of evolvable analog LSIs and apply it to (1) Intermediate Frequency (IF) filters and (2) Image-Rejection Mixers (IRM). The developed LSI for IF filters have attained (1) a 63% reduction in filler area, (2) a 26% reduction in power dissipation, compared to existing commercial products using both the same process technology and filter topology, and (3) a yield rate of 97%. The developed chip is calibrated within a few seconds by the genetic algorithm (GA). The developed microwave circuit for IRM is also calibrated by GA to outperform a circuit adjusted by an experienced engineer. Our calibration method, which can be applied to a wide variety of analog circuits, leads to cost reductions and the efficient implementation of analog LSIs.

Key words

analog LSI yield power dissipation die area process variation IF filter Gm-C filter image-rejection mixer microwave circuit 

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References

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Copyright information

© Springer Science+Business Media, LLC. 2006

Authors and Affiliations

  • Masahiro Murakawa
    • 1
  • Yuji Kasai
    • 1
  • Hidenori Sakanashi
    • 1
  • Tetsuya Higuchi
    • 1
  1. 1.Advanced Semiconductor Research CenterNational Institute of Advanced Industrial Science and TechnologyJapan

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