Patents by Inventor James R. Clark, II

James R. Clark, II has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • MMIC power amplifier with diagonal circuitry
    Patent number: 5952886
    Abstract: A multistage MMIC power amplifier with diagonal oriented field effect transistors (FETs) provides higher power output for a smaller MMIC die size. Corporate feed structures divide the RF input signal and combine the RF output signals and in a base two fashion. The corporate feed structures allow the FETs of the amplifier stages operate in-phase with adjacent circuitry appearing as an even-mode open circuit. The MMIC power amplifier is suitable for applications where reduced size, high efficiency and high gain are important, such as in commercial communication systems.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: September 14, 1999
    Assignee: Motorola, Inc.
    Inventors: Kenneth V. Buer, David W. Corman, James R. Clark, II