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이중 임피던스 선로를 이용한 출력 단자 가변 브랜치라인 커플러.

이중 임피던스 선로를 이용한 출력 단자 가변 브랜치라인 커플러.

Authors :
박웅희
Source :
Journal of the Korea Institute of Information & Communication Engineering; Nov2023, Vol. 27 Issue 11, p1382-1388, 7p
Publication Year :
2023

Abstract

The branch-line coupler to be four ports (Input: Port 1, Output: Ports 2 and 3, Isolation: Port 4) distributes the signal applied to Port 1 to Ports 2 and 3 as signals of equal amplitude with a 90-degree phase difference. This paper proposes a variable branch-line coupler to use the dual-impedance (35.35Ω and 50Ω) transmission lines allowing selective signal distribution from Port 1 to Ports 2 and 3, Ports 3 and 4, and Ports 2 and 4. The proposed circuit was fabricated and its performance was verified at a center frequency of 1GHz. The fabricated circuit exhibited valued of -5.0dB and -3.6dB to be outputted to Ports 2 and 3, -5.3dB and -5.0dB to be outputted to Ports 3 and 4, and -3.9dB and -3.8dB to be outputted to Ports 2 and 4, confirming the distribution of signals to any two of the output ports. [ABSTRACT FROM AUTHOR]

Subjects

Subjects :
POWER dividers

Details

Language :
Korean
ISSN :
22344772
Volume :
27
Issue :
11
Database :
Complementary Index
Journal :
Journal of the Korea Institute of Information & Communication Engineering
Publication Type :
Academic Journal
Accession number :
173902629
Full Text :
https://doi.org/10.6109/jkiice.2023.27.11.1382