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:
Oct. 31, 2017

Filed:

Aug. 12, 2016
Applicant:

Inphi Corporation, Santa Clara, CA (US);

Inventors:

Guojun Ren, San Jose, CA (US);

James Gorecki, Santa Clara, CA (US);

Karthik S. Gopalakrishnan, Santa Clara, CA (US);

Assignee:

INPHI CORPORATION, Santa Clara, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/06 (2006.01); H03L 7/08 (2006.01); H03L 7/085 (2006.01); H03L 7/081 (2006.01);
U.S. Cl.
CPC ...
H03L 7/0807 (2013.01); H03L 7/0805 (2013.01); H03L 7/085 (2013.01); H03L 7/0812 (2013.01);
Abstract

The present invention is directed to signal processing system and electrical circuits. According to various embodiments, a DLL system includes a delay line provides multiple output signals associated with different clock phases. The delay line may be adjusted using a pair of bias voltages. A phase detector systems generates the bias voltages using the multiple output signals from the delay line. The multiple output signals include signals associated with the first phase, the last phase, and two adjacent phases. There are other embodiments as well.


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