Stepped gain mixer

CAFC
  • US 8,229,043 B2
  • Filed: 03/21/2008
  • Issued: 07/24/2012
  • Est. Priority Date: 03/21/2008
  • Status: Active Grant
First Claim
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1. A device comprising:

  • (a) an amplifier having an output lead;

    (b) a first transistor having a source lead, a drain lead and a gate lead;

    (c) a second transistor having a source lead, a drain lead and a gate lead, wherein the output lead of the amplifier is coupled to the source lead of the first transistor and to the source lead of the second transistor; and

    (d) a switch, wherein the drain lead of the first transistor is coupled to the drain lead of the second transistor through the switch when the switch is closed, and wherein an oscillating signal is present on the gate lead of the first transistor and on the gate lead of the second transistor.

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