Circuits, systems and methods for processing data in a one-bit format

  • US 6,011,501 A
  • Filed: 12/31/1998
  • Issued: 01/04/2000
  • Est. Priority Date: 12/31/1998
  • Status: Expired due to Fees
First Claim
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1. Digital to analog conversion circuitry comprising a path for processing data in a 1-bit format comprising:

  • a first portion of a finite impulse response filter comprising a preselected number of delay elements for receiving a stream of data in the 1-bit format and outputting a plurality of signals in response; and

    a switched capacitor digital to analog converter forming a second portion of the finite impulse response filter having a plurality of elements each receiving a one of the plurality of signals selected as a function of a set of filter coefficients, said converter summing the plurality of signals and outputting an analog data stream.

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