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Radio-frequency communication apparatus and associated methods

  • US 20030003887A1
  • Filed: 02/13/2002
  • Published: 01/02/2003
  • Est. Priority Date: 05/29/1998
  • Status: Abandoned Application
First Claim
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1. A voltage-controlled oscillator circuitry, comprising:

  • a variable capacitor circuitry, the variable capacitor circuitry configured to adjust the frequency of an output signal of the voltage-controlled oscillator circuitry in response to a plurality of control signals; and

    a control circuitry, the control circuitry configured to generate the plurality of control signals in response to an input control signal, wherein the voltage level of each of the plurality of the control signals differs by an offset voltage from the voltage level of the remaining signals in the plurality of signals.

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