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:
Jun. 06, 2017

Filed:

Dec. 07, 2015
Applicant:

Skyworks Solutions, Inc., Woburn, MA (US);

Inventors:

Edward Youssoufian, Irvine, CA (US);

David L. Yates, San Clemente, CA (US);

Aly M. Ismail, Irvine, CA (US);

Geoffrey Hatcher, Lake Forest, CA (US);

Assignee:

Skyworks Solutions, Inc., Woburn, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 21/00 (2006.01); H03H 11/12 (2006.01);
U.S. Cl.
CPC ...
H03H 21/0012 (2013.01); H03H 11/1291 (2013.01); H03H 2210/021 (2013.01); H03H 2210/043 (2013.01); H03J 2200/10 (2013.01);
Abstract

A device includes a controller and an adaptive continuous-time filter that includes a control input and a first array of elements. The controller generates a digital word responsive to a time constant and compares a select bit of the digital word to a corresponding reference word to generate a control bit. The controller includes a duplicate array of elements, and applies the control bit to an adjustable element of the duplicate array of elements to modify the time constant. The controller provides the output word to the control input of the adaptive continuous-time filter to generate a filter response that accounts for effects of semiconductor process variation in the first array of elements.


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