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적응형 바이어스 조절 회로를 사용한무선에너지 전송용 고효율 전력증폭기 Go to Link

ArticleIssue Date2012Citation전자공학회논문지, v.49, no.10, pp.43 - 46Publisher대한전자공학회

A Wide Dynamic-Range Rectifier at 433 MHz for Multiple-Antenna Impedances

Au, Ngoc Duc; Le-Huu, Hoang; Seo, Chulhun

ArticleIssue Date2021CitationIEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, v.31, no.2, pp.196 - 199PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC

이중 바이어스 조절과 PBG를 이용한 도허티 증폭기 전력 효율 개선에 관한 연구 Go to Link

김형준; 서철헌

ArticleIssue Date2006Citation한국전자파학회 논문지, v.17, no.8, pp.707 - 712Publisher한국전자파학회

개방 루프 다중 분할 링 공진기를 이용한 0.13 um 전압 제어 발진기 설계 Go to Link

김형준; 최재원; 서철헌

ArticleIssue Date2010Citation한국전자파학회 논문지, v.21, no.2, pp.202 - 207Publisher한국전자파학회

OPTIMIZATION OF OUTPUT MATCHING NETWORK FOR CLASS F POWER AMPLIFIER ACCORDING TO ENVELOPE IN THE ENVELOPE ELIMINATION AND RESTORATION TRANSMITTER

Lee, Chongmin; Seo, Chulhun

ArticleIssue Date2010CitationMICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.52, no.8, pp.1890 - 1893PublisherJOHN WILEY & SONS INC

Metamaterial 공진기를 이용한 레이더 송. 수신기용 X-대역 고출력. 저위상 잡음 Push-Push 발진기

김양현; 서철헌; 하성재; 이복형

ArticleIssue Date2009Citation전자공학회논문지 - TC, v.46, no.12, pp.1 - 5Publisher대한전자공학회

Single FET와 CRLH 전송선을 이용한이중대역 고효율 전력증폭기 설계 Go to Link

김선숙; 서철헌

ArticleIssue Date2010Citation전자공학회논문지 - TC, v.47, no.2, pp.56 - 61Publisher대한전자공학회

COMPACT AND WIDEBAND CORRELATOR WITH METAMATERIAL HYBRID RAT-RACE COUPLER

Kim, Yang-hyun; Seo, Chulhun

ArticleIssue Date2010CitationMICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.52, no.8, pp.1771 - 1774PublisherJOHN WILEY & SONS INC

Prediction of wide range two-dimensional refractivity using an IDW interpolation method from high-altitude refractivity data of multiple meteorological observatories

Wang, S.; Lim, T.H.; Oh, K.; Seo, C.; Choo, H.

ArticleIssue Date2021CitationApplied Sciences (Switzerland), v.11, no.4, pp.1 - 14PublisherMDPI AG

메타구조의 CRLH를 이용한 이중대역 전력증폭기 설계 Go to Link

고승기; 서철헌

ArticleIssue Date2010Citation전자공학회논문지 - TC, v.47, no.12, pp.78 - 83Publisher대한전자공학회

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