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Amplifiers and related receiver systems

  • US 8,704,597 B2
  • Filed: 04/30/2013
  • Issued: 04/22/2014
  • Est. Priority Date: 01/11/2011
  • Status: Active Grant
First Claim
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1. An amplifier circuit comprising:

  • a first transistor having a source terminal connected to a first reference voltage node, a gate terminal connected to a first input node, and a drain terminal;

    a second transistor having a source terminal connected to the drain terminal of the first transistor, a gate terminal connected to a second reference voltage node, and a drain terminal;

    a third transistor having a source terminal connected to the second reference voltage node, a gate terminal connected to the drain terminal of the second transistor, and a drain terminal; and

    a fourth transistor having a source terminal connected to the drain terminal of the third transistor, a gate terminal connected to the first reference voltage node, and a drain terminal connected to a first output node.

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