The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 19, 2006

Filed:

Sep. 20, 2004
Applicants:

Srikrishna H. Nadig, Bangalore, IN;

Godfree Coelho, Bangalore, IN;

Inventors:

Srikrishna H. Nadig, Bangalore, IN;

Godfree Coelho, Bangalore, IN;

Assignee:

Tektronix, Inc., Beaverton, OR (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The subject apparatus and method measures the Total Average Power Loss and isolates the different power loss components of Total Average Loss such as TLoss and Tloss at switching devices such as, MOSFETs, BJTs and IGBTs that may be used in a switching power supply. It provides separation of the components of Total Average Loss as Turn Ton Loss, Turn Toff Loss and allows derivation of conduction loss. It also has the capability to measure Total Average Loss and Switching Loss, while amplitude, duty cycle and frequency of the switching signal is varying in a switching power supply.


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Nadig, Srikrishna. (2006). Identification of average total loss and switching loss in duty cycle and/or frequency variation signals acquired across a switching device using a dso (U.S. Patent No. 7110897). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7110897

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