Výsledky vyhledávání - "Mun Su Hwang"

Development of a Wideband Power Sensor for the Measurement of Wireless Power

Autor: Dal Ahn, In-Ho Na, Jongsik Lim, Mun-Su Hwang, Ja-Gyeong Gu

Publikováno v: Journal of the Korea Academia-Industrial cooperation Society. 10:3600-3607

본 논문에서는 300~3800MHz 주파수 대역에서 150mW~150W의 평균전력과 피크 전력을 검출할 수 있는 무선전력 검출센서의 개발에 대하여 기술하고 있다. 제안된 무선전력 센서는 기본적으로 전력�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::10aff96d7370a058ad264333f2ebb537
https://doi.org/10.5762/kais.2009.10.12.3600

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Design of a LTCC Front End Module with Power Detecting Function

Autor: Dongsu Kim, Ja-Kyung Koo, Jae-Jin Koo, Dal Ahn, Ung-Hee Park, Mun-Su Hwang, Jongsik Lim, Gyu-Yeol Yang, Jun-Chul Kim

Publikováno v: The Journal of Korean Institute of Electromagnetic Engineering and Science. 19:844-853

This paper describes the design of a FEM(Front End Module) having power detection function for mobile handset application. The designed FEM consists of a MMIC(Monolithic Microwave Integrated Circuits) power amplifier chip, SAW Tx filter and duplexer,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::945b93b58c03de49f2fb239097a6acd8
https://doi.org/10.5515/kjkiees.2008.19.8.844

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Design of n Miniaturized LTCC Power Detector for the Tx Power Control in Wireless Communication System

Autor: Gyu-Ryeol Yang, Mun-Su Hwang, Jongsik Lim, Dal Ahn

Publikováno v: Journal of the Korea Academia-Industrial cooperation Society. 9:621-627

This paper presents a compact and miniaturized power detector utilizing low temperature co-fired ceramics(LTCC) technology for the application in wireless handset system to monitor the transmitting power at the frequency of 824-849MHz. The proposed p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae5be0fac7a9bd454255d3f82f2efe1d
https://doi.org/10.5762/kais.2008.9.3.621

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An Active Resonator Using Defected Ground Structure with Islands

Autor: Kwan Sun Choi, Jae Jin Koo, Chun-Seon Park, Jongsik Lim, Seong-Min Oh, Dal Ahn, Yongchae Jeong, Mun Su Hwang

Publikováno v: 2007 Asia-Pacific Microwave Conference.

A new resonator using active device and defected ground structure with islands (DGSI) is proposed. The active device is used for supplying the negative resistance which is one of key factors of the proposed active resonator. The negative resistance i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac04e84c5b3043433d9e6f512fdc7628
https://doi.org/10.1109/apmc.2007.4554697

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An Unequal Wilkinson Power Divider with Variable Dividing Ratio

Autor: Mun-Su Hwang, Seong-Min Oh, Jae-Jin Koo, Jongsik Lim, Yongchae Jeong, Dal Ahn, Kwan-Sun Choi, Chun-Seon Park

Publikováno v: 2007 IEEE/MTT-S International Microwave Symposium.

In this paper, an unequal 1:N Wilkinson power divider with variable power dividing ratio is proposed. The proposed unequal power divider is composed of the conventional Wilkinson divider structure, rectangular-shaped defected ground structure (DGS),

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::103aa67bafd1a211d91ab315f8528a9c
https://doi.org/10.1109/mwsym.2007.380475

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A new DGS unequal power divider

Autor: Mun-Su Hwang, Yongchae Jeong, Dal Ahn, Jae-Jin Koo, Jongsik Lim, Seong-Min Oh, Kwan-Sun Choi, Chun-Seon Park

Publikováno v: 2007 European Microwave Conference.

An unequal Wilkinson power divider having rectangular-shaped defected ground structure (DGS) is proposed. DGS microstrip line adopted for the divider is composed of double-layer substrate which removes the ground problem of the previous DGS structure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::936b36da581e662975489d9812b71478
https://doi.org/10.1109/eumc.2007.4405251

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