Patents by Inventor Tom (Qiang) Li

Tom (Qiang) Li 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).

  • VCO utilizing an auxiliary varactor with temperature dependent bias
    Patent number: 8466750
    Abstract: A technique to use an auxiliary varactor coupled to a tuning varactor, in which a temperature compensated bias signal adjusts a bias on the auxiliary varactor to maintain a voltage controlled oscillator (VCO) from drifting in frequency as operating temperature for the VCO changes.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: June 18, 2013
    Assignee: Broadcom Corporation
    Inventors: Janice Chiu, Hooman Darabi, Tom (Qiang) Li, Shrlung Chen
  • VCO UTILIZING AN AUXILIARY VARACTOR WITH TEMPERATURE DEPENDENT BIAS
    Publication number: 20120326797
    Abstract: A technique to use an auxiliary varactor coupled to a tuning varactor, in which a temperature compensated bias signal adjusts a bias on the auxiliary varactor to maintain a voltage controlled oscillator (VCO) from drifting in frequency as operating temperature for the VCO changes.
    Type: Application
    Filed: June 27, 2011
    Publication date: December 27, 2012
    Applicant: BROADCOM CORPORATION
    Inventors: Janice Chiu, Hooman Darabi, Tom (Qiang) Li, Shrlung Chen