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:
Dec. 13, 2022

Filed:

Nov. 22, 2021
Applicant:

Synopsys, Inc., Mountain View, CA (US);

Inventors:

Akarsh Joshi, Kundalahalli, IN;

Biman Chattopadhyay, Bengaluru, IN;

Assignee:

Synopsys, Inc., Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B 5/12 (2006.01); H03L 7/099 (2006.01);
U.S. Cl.
CPC ...
H03B 5/1243 (2013.01); H03B 5/1206 (2013.01); H03B 5/1265 (2013.01); H03L 7/099 (2013.01); H03B 2201/0208 (2013.01);
Abstract

A voltage controlled oscillator (VCO) circuitry includes a varactor array. The varactor array includes a first varactor unit including a first varactor, a second varactor, and first switch circuitry. The first varactor is connected to a first node and a second node, and the second varactor is connected to the second node and a third node. The second node receives a voltage control signal. The first switch circuitry is electrically coupled to the first node and the third node, and selectively electrically couples a first voltage signal to the first node and the third node based on a first control signal.


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