Dale E Anderson

US Patent:

7113761, Sep 26, 2006

Filed:

Oct 7, 2003

Appl. No.:

10/680836

Inventors:

Richard S. Bickham - Cary IL, US
Joseph Schultz - Wheaton IL, US
Dale Anderson - Colleyville TX, US
Mark Van Horn - Arlington TX, US

Assignee:

Motorola, Inc. - Schaumburg IL

International Classification:

H04B 1/28

US Classification:

455333, 4551512, 4555561

Abstract:

RF power device module () having an RF power device chip () which integrates an RF power device () with at least one of DC detector circuits (), RF detector circuits (), and thermal detector circuit () which cooperate with optical emitter/detector components () that supports a bi-directional optical link () made through free space with diagnostic processing and control circuits implemented on a separate chip () mounted within the same enclosure (). The bi-directional optical link () enables interpretation of detection signals () received from the RF power device chip () and the feed back of default or other management and control signals () sent back to the RF power device chip () in response to the detected and analyzed conditions. The RF power device module () can be used in RF power transistors, such used in a base station, or mobile or portable transmitters, used in telecommunications, or in RF power amplifiers and instrumentation amplifiers in general.

US Patent:

20070085161, Apr 19, 2007

Filed:

Oct 17, 2005

Appl. No.:

11/252086

Inventors:

Richard Bickham - Cary IL, US
Dale Anderson - Colleyville TX, US

International Classification:

H01L 29/00

US Classification:

257499000

Abstract:

An integrated semiconductor apparatus ()(such as, but not limited to, a radio frequency power device) is comprised of a plurality of active device cells (), a plurality of temperature detectors (), and a controller (). The active device cells are preferably each comprised of a plurality of active devices having a common signal input and a common signal output. The temperature detectors are preferably configured and arranged such that each of the temperature detectors detects a temperature indicator (such as infrared radiation) as corresponds to at least one of the active device cells but not, at least in substantial measure, other of the active device cells. The controller preferably operably couples to these temperature detectors and receives their detected output and generates control signals that operate on the inputs to the active device cells in a manner that changes the relative active device cell temperatures.