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:
Nov. 03, 2026

Filed:

Oct. 21, 2024
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventor:

Ryan Alexander Smith, Lucas, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/099 (2006.01); H03L 7/089 (2006.01); H03L 7/093 (2006.01); H03L 7/197 (2006.01);
U.S. Cl.
CPC ...
H03L 7/099 (2013.01); H03L 7/0898 (2013.01); H03L 7/1976 (2013.01); H03L 7/093 (2013.01);
Abstract

Systems and methods for controlling a charge pump current in response to a control voltage provided to a voltage-controlled oscillator (VCO) are disclosed. An example system includes a phase-locked loop including a charge pump and a VCO coupled to the charge pump. Current adjusting circuitry receives the control voltage and controls the charge pump current. The current adjusting circuitry is configurable to cause the charge pump current to increase by a first amount responsive to the control voltage being in a first range, and cause the charge pump current to decrease by a second amount responsive to the control voltage being in a second range. A chirp signal output by the phase-locked loop has a bandwidth defined by a first bandwidth segment that corresponds to the control voltage being in the first range and a second bandwidth segment that corresponds to the control voltage being in the second range.


Find Patent Forward Citations

Quick Actions:

Smith, Ryan. (2026). Loop bandwidth control for fractional-n frequency synthesizer (U.S. Patent No. 12785702). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12785702

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