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Multi-input differential circuit

  • US 20030025533A1
  • Filed: 06/24/2002
  • Published: 02/06/2003
  • Est. Priority Date: 06/25/2001
  • Status: Abandoned Application
First Claim
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1. A differential amplifier with three or more multi-inputs comprising;

  • a bias current control circuit, and n counts of input devices connected to the said bias current control circuit, and n counts of load devices connected to the said input devices and at least some of them compose a current mirror circuit, whereby said input devices and said load devices form n counts of amplifiers;

    of which at least one has no theoretical offset; and

    at least one has theoretical plus offset; and

    at least one has theoretical minus offset.

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