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:
May. 12, 2015

Filed:

Jun. 30, 2010
Applicants:

King Chun Tsai, San Jose, CA (US);

Sang Wong Son, Sunnyvale, CA (US);

Wayne A. Loeb, San Francisco, CA (US);

Inventors:

King Chun Tsai, San Jose, CA (US);

Sang Wong Son, Sunnyvale, CA (US);

Wayne A. Loeb, San Francisco, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/10 (2006.01); H04B 1/30 (2006.01); H04B 1/04 (2006.01); H04B 1/16 (2006.01);
U.S. Cl.
CPC ...
H04B 1/30 (2013.01); H04B 1/0475 (2013.01); H04B 1/1638 (2013.01);
Abstract

Apparatus, systems, and methods implementing techniques for calibrating a filter circuit. A comparator generates an output based on a filter output amplitude signal and a reference amplitude signal. A calibration logic unit receives the comparator output and produces a component code that is used by the filter circuit to adjust one or more component values.


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