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. 30, 2025
Filed:
Sep. 03, 2022
Applicant:
Smarter Microelectronics (Guang Zhou) Co., Ltd., Guangzhou, CN;
Inventors:
Assignee:
SMARTER MICROELECTRONICS (GUANG ZHOU) CO., LTD., Guangzhou, CN;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 3/195 (2006.01); H03F 1/30 (2006.01); H03F 3/24 (2006.01);
U.S. Cl.
CPC ...
H03F 3/245 (2013.01); H03F 1/301 (2013.01); H03F 3/195 (2013.01); H03F 2200/451 (2013.01);
Abstract
A bias circuit includes a control loop, configured to output a bias current to the input end of the RF power amplifier; a regulation circuit, configured to adjust loop bandwidth of the control loop based on Miller effect when it is determined that the bias current output by the control loop can meet a first condition, so that stability and noise suppression degree of the control loop can meet a second condition.