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:
Jun. 10, 2025

Filed:

May. 06, 2022
Applicant:

Analog Devices International Unlimited Company, Limerick, IE;

Inventors:

Qingyi Huang, Shenzhen, CN;

Yong Zhang, Beijing, CN;

Mark Cope, Bath, GB;

Bernhard Strzalkowski, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/30 (2006.01); H03F 1/02 (2006.01); H03F 3/24 (2006.01); H03F 3/72 (2006.01);
U.S. Cl.
CPC ...
H03F 3/245 (2013.01); H03F 1/0227 (2013.01); H03F 3/72 (2013.01); H03F 2203/7206 (2013.01);
Abstract

Various examples are directed to a circuit for biasing a power amplifier (PA). The circuit may comprise a first isolated power supply comprising a first DC output and a first common output as well as a second isolated power supply comprising a second DC output and a second common output. The second DC output may be electrically coupled to the first common output. The circuit may also comprise a switch network that is configurable to a first state in which the first DC output is provided at a circuit output and to a second state in which the second DC output is provided at the circuit output.


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