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:
Feb. 05, 2019

Filed:

Nov. 08, 2016
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:

Erhan Ozalevli, Richardson, TX (US);

Mustapha El Markhi, Richardson, TX (US);

Tuli Dake, McKinney, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/06 (2006.01); H03L 7/099 (2006.01); H03L 7/085 (2006.01); H03L 7/113 (2006.01); H03K 3/0231 (2006.01);
U.S. Cl.
CPC ...
H03L 7/099 (2013.01); H03L 7/085 (2013.01); H03L 7/113 (2013.01); H03K 3/0231 (2013.01);
Abstract

One example includes a phase-locked loop (PLL) circuit. The circuit includes a frequency divider and phase detector configured to generate a plurality of non-overlapping switching signals based on an input signal and a PLL output signal. The circuit also includes a linear frequency-to-current (F2I) converter configured to generate a control current having an amplitude that is based on the plurality of non-overlapping switching signals. The circuit further includes a linear current-controlled oscillator configured to generate the PLL output signal to have a frequency and phase to be approximately equal to the input signal based on the amplitude of the control current.


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