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:
Feb. 26, 2013

Filed:

Jun. 29, 2009
Applicants:

Aslamali A. Rafi, Austin, TX (US);

Chunyu Xin, Austin, TX (US);

Ruifeng Sun, Austin, TX (US);

Abhishek Kammula, Austin, TX (US);

Ramin Khoini-poorfard, Austin, TX (US);

Alessandro Piovaccari, Austin, TX (US);

Peter J. Vancorenland, Austin, TX (US);

Inventors:

Aslamali A. Rafi, Austin, TX (US);

Chunyu Xin, Austin, TX (US);

Ruifeng Sun, Austin, TX (US);

Abhishek Kammula, Austin, TX (US);

Ramin Khoini-Poorfard, Austin, TX (US);

Alessandro Piovaccari, Austin, TX (US);

Peter J. Vancorenland, Austin, TX (US);

Assignee:

Silicon Laboratories Inc., Austin, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

In one embodiment, a set of tracking filters to be coupled between an amplifier and a mixer is provided. The tracking filters may be differently configured depending on band of operation. For example, a first set of the filters can be configured to maintain a substantially constant Q value across their operating bandwidth while a second set of the filters can be configured to maintain a substantially constant bandwidth across their operating bandwidth.


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