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:
Mar. 05, 2024

Filed:

Feb. 03, 2023
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Hao Liu, San Diego, CA (US);

Lejie Lu, San Diego, CA (US);

Yu Song, San Diego, CA (US);

Dong Ren, San Diego, CA (US);

Assignee:

QUALCOMM INCORPORATED, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/099 (2006.01); H03L 7/089 (2006.01); H03L 7/091 (2006.01);
U.S. Cl.
CPC ...
H03L 7/0995 (2013.01); H03L 7/0891 (2013.01); H03L 7/091 (2013.01);
Abstract

A voltage controlled oscillator (VCO), including: at least one second upper voltage rail; at least one second lower voltage rail; a ring of N cascaded inverters, wherein the set of N cascaded inverters are coupled between the at least one second upper voltage rail and the at least one second lower voltage rail; at least one first frequency band select circuit coupled between first upper voltage rail and the at least one second upper voltage rail; at least one second frequency band select circuit coupled between the at least one second lower voltage rail and first lower voltage rail; at least one first VCO frequency control circuit coupled between the first upper voltage rail and the at least one second upper voltage rail; and at least one second VCO frequency control circuit coupled between the at least one second lower voltage rail and the first lower voltage rail.


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