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FET amplifier with temperature-compensating circuit

  • US 6,906,590 B2
  • Filed: 01/24/2003
  • Issued: 06/14/2005
  • Est. Priority Date: 01/29/2002
  • Status: Active Grant
First Claim
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1. A FET amplifier, using a FET as its amplifying element, provided with a temperature-compensating circuit for subjecting the gate voltage of said FET element to temperature compensation, wherein:

  • the source of said FET is grounded, and said temperature-compensating circuit compensates said gate voltage so as to keep the drain current of said FET element constant at a prescribed amperage against variations in ambient temperature, wherein;

    the prescribed amperage of said drain current is an amperage at which third order cross modulation distortion in the output power of said FET amplifier is minimized.

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