Patents by Inventor Catala Stephane

Catala Stephane 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).

  • Mixer with adjustable linearity
    Patent number: 6650883
    Abstract: A four-quadrant multiplier for mixing RF signals comprises two differential amplifiers respectively connected as a load of a third differential amplifier. Both the negative feedback and the load of the third differential amplifier can be altered. Changing the negative feedback permits adjustment of the linearity range of the four-quadrant multiplier.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: November 18, 2003
    Assignee: Infineon Technologies AG
    Inventors: Catala Stephane, Ganser Siegfried