Patents Represented by Attorney Bradely J. Botsch, Sr.

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  • Voltage controlled oscillator with low operating supply voltage
    Patent number: 5258726
    Abstract: A voltage controlled oscillator (VCO) circuit (10) for operating at low supply voltages has been provided. The VCO circuit includes an oscillation stage which utilizes a negative resistance technique for oscillation and includes a first inductor (38) for allowing the oscillation stage to operate at low supply voltages. The VCO circuit also includes an output stage which includes a second inductor (52) and a first capacitor (51) for allowing the output resistance of the VCO circuit to be adjusted for maximum output drive capability.
    Type: Grant
    Filed: October 29, 1992
    Date of Patent: November 2, 1993
    Assignee: Motorola, Inc.
    Inventor: Phuc C. Pham