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Apparatus and method for removing offset in a gain circuit

  • US 6,121,831 A
  • Filed: 05/12/1999
  • Issued: 09/19/2000
  • Est. Priority Date: 05/12/1999
  • Status: Active Grant
First Claim
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1. An offset-removing gain circuit comprising:

  • a first circuit having a first transfer function to provide a gain of the circuit; and

    a second circuit having a second transfer function, coupled to the first circuit, to provide an integrator output to be fed back to the first circuit;

    the first and second circuits being arranged and configured to be capable of producing a plurality of different gains while allowing a frequency response of the circuit to remain unaffected.

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