Title:
POWER AMPLIFIER USING COUPLER, AND ELECTRONIC DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/014021
Kind Code:
A1
Abstract:
The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than a 4th generation (4G) communication system such as long term evolution (LTE). According to various embodiments, a Doherty power amplifier of a wireless communication system comprises: a first power amplifier; a second power amplifier; a first transmission line; a 4-port coupler; and a load impedance, wherein the 4-port coupler may include a first port, a second port, a third port, and a fourth port, the first power amplifier may be coupled to the 4-port coupler via the first port, the second power amplifier may be coupled to the 4-port coupler via the fourth port, the load impedance may be coupled to the 4-port coupler via the third port, the first transmission line may be arranged between the first power amplifier and the first port of the 4-port coupler, and the second port may be an output terminal of the power amplifier.
Inventors:
JEE SEUNGHOON (KR)
YANG YOUNGOO (KR)
CHEN YIFEI (KR)
KANG HYUNUK (KR)
KIM KYOUNGTAE (KR)
WOO YOUNGYOON (KR)
SHIN JAEKYUNG (KR)
CHOI WOOJIN (KR)
YANG YOUNGOO (KR)
CHEN YIFEI (KR)
KANG HYUNUK (KR)
KIM KYOUNGTAE (KR)
WOO YOUNGYOON (KR)
SHIN JAEKYUNG (KR)
CHOI WOOJIN (KR)
Application Number:
PCT/KR2022/011319
Publication Date:
February 09, 2023
Filing Date:
August 01, 2022
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
RESEARCH ＆ BUSINESS FOUNDATION SUNGKYUNKWAN UNIV (KR)
RESEARCH ＆ BUSINESS FOUNDATION SUNGKYUNKWAN UNIV (KR)
International Classes:
H03F1/02; H03F1/56; H03F3/21
Foreign References:
| KR20110068439A | 2011-06-22 | |||
| KR20210028841A | 2021-03-15 | |||
| KR100840527B1 | 2008-06-23 | |||
| KR101672797B1 | 2016-11-08 | |||
| US20040119533A1 | 2004-06-24 |
Attorney, Agent or Firm:
KWON, Hyuk-Rok et al. (KR)
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