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:
Jul. 15, 2025

Filed:

May. 18, 2023
Applicant:

The Boeing Company, Arlington, VA (US);

Inventors:

Alfio Zanchi, Seattle, WA (US);

Parham Khajeh Hesamaddin, Irvine, CA (US);

Assignee:

The Boeing Company, Arlington, VA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/107 (2006.01); H03L 7/089 (2006.01); H03L 7/095 (2006.01); H03L 7/099 (2006.01);
U.S. Cl.
CPC ...
H03L 7/1075 (2013.01); H03L 7/0891 (2013.01); H03L 7/095 (2013.01); H03L 7/099 (2013.01); H03L 2207/50 (2013.01);
Abstract

A phase-locked loop is disclosed. The phase-locked loop includes a phase error detector, an event detector, a loop filter, and an oscillator. The phase error detector is configured to receive an input signal and a feedback signal and output a phase error signal. The event detector is configured to detect a loss of lock condition based on the phase error signal. The loop filter is configured to filter the phase error signal to generate a filtered control signal based on a first set of filter parameter values, and in response to the loss of lock condition, filter the phase error signal to generate the filtered control signal based on a second set of filter parameter values different from the first set of filter parameter values. The oscillator is configured to output an output signal having a phase that is based on the filtered control signal.


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