Patents by Inventor Weiwei Shu

Weiwei Shu 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).

  • Patent number: 8688061
    Abstract: A system and method for biasing a power amplifier includes a power amplifier having a driver stage and an output stage, the driver stage having a plurality of driver devices, a bias current source configured to deliver a bias current to each of the plurality of driver devices, and a current directing element configured to receive the bias current and selectively bias each of the plurality of driver devices based on a reference voltage and a system voltage.
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: April 1, 2014
    Assignee: Skyworks Solutions, Inc.
    Inventors: Duane A. Green, Weiwei Shu, David Sawatzky
  • Publication number: 20120034956
    Abstract: A system and method for biasing a power amplifier includes a power amplifier having a driver stage and an output stage, the driver stage having a plurality of driver devices, a bias current source configured to deliver a bias current to each of the plurality of driver devices, and a current directing element configured to receive the bias current and selectively bias each of the plurality of driver devices based on a reference voltage and a system voltage.
    Type: Application
    Filed: August 9, 2010
    Publication date: February 9, 2012
    Applicant: SKYWORKS SOLUTIONS, INC.
    Inventors: Duane A. Green, Weiwei Shu, David Sawatzky