Patents by Inventor Jonathan Paul Griffith

Jonathan Paul Griffith 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).

  • Efficiency enhancement for MMIC amplifiers
    Patent number: 6970039
    Abstract: The present innovation is directed to a single-chip integrated circuit power amplifier configured to employ the efficiency enhancement techniques utilized in Doherty amplifiers. The single-chip integrated circuit power amplifier may be implemented using uniquely designed biasing circuits as described herein. Also, the use of combined HBT/FET processes and a lumped quarter-wavelength transformer may be inherently well suited for the implementation of Doherty amplifiers in the single-chip techniques described herein.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: November 29, 2005
    Assignee: Anadigics
    Inventors: Jonathan Paul Griffith, Brittin C. Kane, Michael W. Trippe
  • Efficiency enhancement for MMIC amplifiers
    Publication number: 20040085134
    Abstract: The present innovation is directed to a single-chip integrated circuit power amplifier configured to employ the efficiency enhancement techniques utilized in Doherty amplifiers. The single-chip integrated circuit power amplifier may be implemented using uniquely designed biasing circuits as described herein. Also, the use of combined HBT/FET processes and a lumped quarter-wavelength transformer may be inherently well suited for the implementation of Doherty amplifiers in the single-chip techniques described herein.
    Type: Application
    Filed: October 23, 2003
    Publication date: May 6, 2004
    Inventors: Jonathan Paul Griffith, Brittin C. Kane, Michael W. Trippe