Patents by Inventor Vincent Vanhuffel

Vincent Vanhuffel 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 module and a time division multiple access radio
    Patent number: 7786805
    Abstract: A power amplifier module comprises a power amplifier circuit having an output power level controlled by a power supply voltage. A power supply transistor controls the power supply to the power amplifier circuit from a drive signal which is received from a drive circuit. The drive circuit generates the drive signal in response to a power level input signal, which specifically may correspond to a power ramping for a GSM cellular communication system. The power amplifier module furthermore comprises a detection circuit which determines an operating characteristic of the power supply transistor. The operating characteristic is preferably a saturation characteristic. A control circuit controls the drive signal in response to the operating characteristic. The control circuit preferably controls the drive signal such that the power supply transistor does not enter the linear region for a Field Effect Transistor and the saturated region for a bipolar transistor.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: August 31, 2010
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Gerhard Trauth, Ludovic Oddoart, Jacques Trichet, Vincent Vanhuffel
  • POWER AMPLIFIER MODULE AND A TIME DIVISION MULTIPLE ACCESS RADIO
    Publication number: 20090015333
    Abstract: A power amplifier module comprises a power amplifier circuit having an output power level controlled by a power supply voltage. A power supply transistor controls the power supply to the power amplifier circuit from a drive signal which is received from a drive circuit. The drive circuit generates the drive signal in response to a power level input signal, which specifically may correspond to a power ramping for a GSM cellular communication system. The power amplifier module furthermore comprises a detection circuit which determines an operating characteristic of the power supply transistor. The operating characteristic is preferably a saturation characteristic. A control circuit controls the drive signal in response to the operating characteristic. The control circuit preferably controls the drive signal such that the power supply transistor does not enter the linear region for a Field Effect Transistor and the saturated region for a bipolar transistor.
    Type: Application
    Filed: December 13, 2004
    Publication date: January 15, 2009
    Applicant: Freescale Semiconductor, Inc
    Inventors: Gerhard Trauth, Ludovic Oddoart, Jacques Trichet, Vincent Vanhuffel