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.:

US 7697651 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 13, 2010

Filed:

Jun. 30, 2004
Applicants:

Chamath Abhayagunawardhana, Chandler, AZ (US);

Arif Mahmud, Chandler, AZ (US);

Kianoush Rahbar, Phoenix, AZ (US);

Inventors:

Chamath Abhayagunawardhana, Chandler, AZ (US);

Arif Mahmud, Chandler, AZ (US);

Kianoush Rahbar, Phoenix, AZ (US);

Assignee:

Intel Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03D 3/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A tracking loop of an interpolator based receiver includes clock elements that generate a plurality of clocks to sample a signal from a remote transmitter. The tracking loop includes samplers and voter elements that sample the signal with the clocks and generate samples that comparatively indicate a phase relationship between the signal and the clocks. Based on the comparison of the samples in the samplers and voter elements, the tracking loop either sends phase-shift signals to the clock elements to shift the phase of the clocks to match the phase of the signal, or sends a phase-flip signal to the clock elements to flip the clocks if the phase relationship between the signal and the clocks is about 180°. Once a phase match between the clocks and the signal is established, the tracking loop remains phase locked with the signal and provides a recovered signal.


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Abhayagunawardhana, Chamath. (2010). Lock system and method for interpolator based receivers (U.S. Patent No. 7697651). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7697651

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