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:
Apr. 21, 2026

Filed:

Jun. 15, 2023
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Hyunchul Park, Suwon-si, KR;

Seokhyeon Kim, Suwon-si, KR;

Byungjoon Park, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 1/02 (2006.01); H03F 1/56 (2006.01); H03F 3/24 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0288 (2013.01); H03F 1/565 (2013.01); H03F 3/245 (2013.01); H03F 2200/451 (2013.01);
Abstract

The disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond a 4-Generation (4G) communication system such as long term evolution (LTE). A Doherty power amplifier in a wireless communication system is provided. The Doherty power amplifier includes a differential carrier amplifier, a differential peaking amplifier, and an output matching circuit. The output matching circuit may include a primary tuning capacitor, a transformer, and a secondary tuning capacitor. The differential carrier amplifier may be connected to the primary tuning capacitor through a carrier capacitor, and inductors, of an output terminal of the differential carrier amplifier. The differential peaking amplifier may be connected to the primary tuning capacitor. The primary tuning capacitor, the inductors, and the carrier capacitor may be configured to function as a quarter-wave transformer.


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