Browse > Article
http://dx.doi.org/10.5515/KJKIEES.2012.23.2.262

A Ka-Band 8 W Power Amplifier Module Using 4-Way Waveguide Power Combiners with High Isolation  

Shin, Im-Hyu (Department of Radio Science and Engineering, Chungnam National University)
Kim, Choul-Young (Department of Electronics Engineering, Chungnam National University)
Lee, Man-Hee (ISR Research Center, LIG Nex1)
Joo, Ji-Han (ISR Research Center, LIG Nex1)
Lee, Sang-Joo (ISR Research Center, LIG Nex1)
Kim, Dong-Wook (Department of Radio Science and Engineering, Chungnam National University)
Publication Information
Abstract
In this paper, a Ka-band 8 W power amplifier module with WR-28 waveguide input and output ports is implemented and measured using four 2 W power amplifier modules and 4:1 waveguide power combiners with high isolation of 25 dB at 35 GHz. The 2 W power amplifier modules are fabricated using waveguide-to-microstrip transitions and show output power of 32.5~33.3 dBm and power gain of 26.9~28.7 dB at 35 GHz. Four 2 W power amplifier modules are combined through 4:1 waveguide power combiners with resistive septum and the combined power shows 39.0 dBm(8 W) under 6 V drain bias and 39.6 dBm(9.1 W) under 6.5 V drain bias at 35 GHz.
Keywords
Ka-Band; Waveguide Combiner; Resistive Septum; Waveguide Transition; Power Amplifier;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
1 http://www.quinstar.com/products/amplifier
2 김경학, 박미라, 김동욱, "Ka-대역 10 W 전력증폭기 모듈의 설계 및 제작", 한국전자파학회논문지, 20(3), pp. 264-272, 2009년 3월.
3 Yoke Choy Leong, Sander Weinreb, "Full band waveguide- to-microstrip probe transitions", IEEE MTT- S Int. Microwave Symposium Digest, pp. 1435-1438, 1999.
4 신임휴, 김철영, 이상주, 주지한, 이만희, 김동욱, "E-평면 프로브를 이용한 Ka-대역 마이크로스트립-도파관 변환기의 설계 및 제작", 한국전자파학회논문지, 23(1), pp. 76-84, 2012년 1월.
5 http://www.triquint.com/products/types/amplifiers
6 임주현, 양승식, 염경환, "저손실을 갖는 CBFGCPW-Microstrip 천이 구조의 해석 및 MIC 모듈집적화에 응용", 한국전자파학회논문지, 18(7), pp. 809-818, 2007년 7월.