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.
Patent No.:
Date of Patent:
Dec. 02, 2025
Filed:
Dec. 27, 2022
Applicant:
United Microelectronics Corp., Hsinchu, TW;
Inventor:
Shih-Yuan Liu, Kaohsiung, TW;
Assignee:
UNITED MICROELECTRONICS CORP., Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 17/687 (2006.01); H03K 5/24 (2006.01); H10N 50/80 (2023.01); H10N 70/20 (2023.01);
U.S. Cl.
CPC ...
H03K 17/6871 (2013.01); H03K 5/24 (2013.01); H10N 50/80 (2023.02); H10N 70/24 (2023.02);
Abstract
An adjustable capacitor device and a method for adjusting a capacitance value are provided. The adjustable capacitor device includes a first variable resistor, a first comparator coupled between the first variable resistor and a first node, a first capacitor, a second capacitor, a first transistor coupled between the first node, the first capacitor and the second capacitor, and a second transistor coupled between the first node, the first capacitor and the second capacitor.