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Hybrid filter bank analog/digital converter

  • US 5,568,142 A
  • Filed: 10/20/1994
  • Issued: 10/22/1996
  • Est. Priority Date: 10/20/1994
  • Status: Expired due to Fees
First Claim
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1. A system for converting a signal between continuous-time and discrete-time comprising:

  • an analysis filter bank for partitioning a wideband input signal into first subband signals;

    a converter bank of analog/digital converters for converting the first subband signals to second subband signals;

    a synthesis filter bank for reconstructing the second subband signals such that third subband signals are generated which are the converted approximation of the first subband signals; and

    wherein one of the analysis bank and synthesis bank comprises continuous-time filters and the other comprises discrete-time filters.

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