Patents by Inventor David George Rahn

David George Rahn 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).

  • Circuit for linearizing the power control profile of a BiCMOS power amplifier
    Patent number: 6518840
    Abstract: A two stage amplifier for a portable or cellular phone is disclosed which is manufactured using a fast BiCMOS process suach as SiGe. A shunt circuit controlled by a switch is provided between a base of one of the amplifying transistors and a DC terminal to prevent it from operating in a Class B mode of operation when it is intended for the amplifier to be switched off.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: February 11, 2003
    Assignee: SiGe Semiconductor Inc.
    Inventors: David George Rahn, Marquis Christian Julien