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Voltage controlled oscillator band switching technique

  • US 5,739,730 A
  • Filed: 12/22/1995
  • Issued: 04/14/1998
  • Est. Priority Date: 12/22/1995
  • Status: Expired due to Term
First Claim
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1. A band switching resonant circuit for a voltage controlled oscillator, said circuit comprising:

  • an inductor connected in series with a capacitor, wherein a single current flows through both said inductor and said capacitor;

    a first diode connected across the series connection of the inductor and the capacitor; and

    at least one other diode selectively switchable across said first diode;

    wherein said first diode and said other diode provide voltage controlled variable capacitance.

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