Patents by Inventor M. Frank Chang

M. Frank Chang 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).

  • Adaptive-biased mixer
    Patent number: 7356317
    Abstract: A system or method for a circuit network that receives an RF signal, and where a plurality of switching transistors receive an RF signal output by the circuit network and perform mixing with a local oscillation (LO) signal received on a LO input. An active bias circuit performs active bias of the plurality of switching transistors in a feedback loop provided between the LO input and an output of the plurality of switching transistors.
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: April 8, 2008
    Assignee: Silicon Storage Technology, Inc.
    Inventors: Zhiwei Xu, Pei-Ming Daniel Chow, M. Frank Chang