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.
Patent No.:
Date of Patent:
Mar. 30, 2010
Filed:
Apr. 01, 2008
Geoffrey Thompson, Austin, TX (US);
Siddharth Sundar, Austin, TX (US);
Douglas R. Frey, Austin, TX (US);
Russell J. Apfel, Austin, TX (US);
Marius Goldenberg, Austin, TX (US);
Ion C. Tesu, Austin, TX (US);
Riad Wahby, Austin, TX (US);
Michael J. Mills, Austin, TX (US);
Geoffrey Thompson, Austin, TX (US);
Siddharth Sundar, Austin, TX (US);
Douglas R. Frey, Austin, TX (US);
Russell J. Apfel, Austin, TX (US);
Marius Goldenberg, Austin, TX (US);
Ion C. Tesu, Austin, TX (US);
Riad Wahby, Austin, TX (US);
Michael J. Mills, Austin, TX (US);
Silicon Laboratories, Inc., Austin, TX (US);
Abstract
One embodiment of an apparatus for switching a transistor includes a first current mirror providing i=Ki, as a transistor base current, wherein the first current mirror is selectively driven by a current source A second current mirror providing a feedback signal i=Kito the first current mirror such that wherein icontributes to the transistor collector current, wherein i=i−KKi.