Patents by Inventor Miaofu Ding

Miaofu Ding 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).

  • Power amplifier (PA) system with electrothermal feedback circuitry for PA gain correction
    Patent number: 9362879
    Abstract: A power amplifier (PA) system with PA gain correction is disclosed. The PA system includes a PA having a bias voltage input; and electrothermal feedback circuitry coupled to the bias voltage input. The electrothermal feedback circuitry is configured to receive thermal feedback generated by the PA and maintain a substantially constant PA gain by automatically changing a bias voltage level at the bias voltage input based upon the thermal feedback.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: June 7, 2016
    Assignee: RF Micro Devices, Inc.
    Inventors: Miaofu Ding, Robert J. Baeten
  • POWER AMPLIFIER (PA) SYSTEM WITH ELECTROTHERMAL FEEDBACK CIRCUITRY FOR PA GAIN CORRECTION
    Publication number: 20150077185
    Abstract: A power amplifier (PA) system with PA gain correction is disclosed. The PA system includes a PA having a bias voltage input; and electrothermal feedback circuitry coupled to the bias voltage input. The electrothermal feedback circuitry is configured to receive thermal feedback generated by the PA and maintain a substantially constant PA gain by automatically changing a bias voltage level at the bias voltage input based upon the thermal feedback.
    Type: Application
    Filed: September 12, 2014
    Publication date: March 19, 2015
    Inventors: Miaofu Ding, Robert J. Baeten