Advanced Design Methods of Doherty Amplifier for Wide Bandwidth, High Efficiency Base Station Power Amplifiers Jangheon Kim1 , Jeonghyeon Cha1 , Ildu Kim1 , Sang Yeon Noh2 , Cheon Seok Park2 , and Bumman Kim1 1 Department of Electrical Engineering, Pohang University of Science and Technology, Gyeongbuk, 790-784, Korea, Tel: +82-54-279-5584, Fax: +82-54-279-8115 E-Mail: rage3k-postech.ac.kr, bmkim

A Frequency-Tunable Amplifier with a Simple Tunable Admittance Inverter Hiromitsu Uchida, Kentaro Ogura, Yoshihiko Konishi, and Shigeru Makino Mitsubishi Electric Corporation, 5-1-1 Ofuna, Kamakura, Kanagawa,247-8501, Japan Phone:+81-467-41-2531, FAX: +81-467-41-2419, E-mail: uchi-isl.melco.co.jp Abstract ­ This paper proposes a frequency-tunable amplifier with a simple frequency-tunable admittan

GaAs MMICs for use in Upconverter module for Ka-band OBS Satellite Transponders Jin-Cheol Jeong, Dong-Pil Chang, Dong-hwan Shin, In-Bok Yom Global Area Wireless Technology Group, ETRI, 161 Kajong-Dong, Taejon, 305-350, KOREA, +82-42-860-6422 Abstract -- GaAs MMICs has been developed for use in the Upconverter module for On-Board Switching Ka-band Satellite Transponders. There are four kinds of MM

Design of Broadband, Highly Integrated, 20-30 GHz and 35-45 GHz MMIC Up-converters Emmanuelle Convert, Paul Beasly, Simon Mahon, Anna Dadello, James Harvey Mimix Broadband Inc. 10795 Rockley Road, Houston, Texas 77099, USA Ph. +61 2 9956 3388 - Fax +61 2 9956 3399 email: econvert-mimixbroadband.com Abstract -- The design of broadband, highly integrated up-converters is described. Two up-converters

Coplanar Ferroelectric Phase Shifter on Silicon Substrate with TiO2 Buffer Layer Ki-Byoung Kim1, Tae-Soon Yun1, Hyun-Suk Kim2, Il-Doo Kim3, Ho-Gi Kim2, and Jong-Chul Lee1 2 RFIC Center, Kwangwoon University, 447-1 Wolgye-dong, Nowon-ku, Seoul 139-701, Korea Dept., of Material Sci. & Eng., Korea Advanced Institute of Science and Technology (KAIST), 373-1 Kusong-dong, Yusong-ku, Taejeon 305-701, Ko

Adaptive Algorithms for Doppler Weather Radar I.G. Prokopenko1, K.I. Prokopenko1, F.J. Yanovsky1,2, L.P. Ligthart2 National Aviation University, Prospect Komarova 1, 03058, Kiev, Ukraine, Phone: 380 44 4067244, e-mail: yanovsky-i.com.u 2 International Research Centre for Telecommunications and Radar (IRCTR), TU-Delft, Mekelweg 4, P.O. Box 5031, 2600 GA Delft, The Netherlands belonged to a stationa

RLC Parasitic Extraction and Circuit Model Optimization for Cu/SiO 2-90nm Inductance Structures Hazem Mahmoud Hegazy Technical Marketing Engineer, Mentor Graphics hazem_hegazy-mentor.com Abstract An efficient interconnects modeling and optimization methodology is proposed for multi-GHz clock network design. High frequency effects, including inductance and proximity effects are captured. The resul

Suppression of Reflection Coefficients of Surface Acoustic Wave Filters By Using Quadrature Hybrids J. G. Wen1,2), T. Omori1), K. Hashimoto1), M. Yamaguchi1) , O. Kawachi3) and M. Ueda4) 1) Chiba University, Chiba, Japan, 2) University of Electronic Science and Technology, Chengdu, China 3) Fujitsu Media Devices Ltd., Yokohama, Japan, and 4) Fujitsu Laboratories Ltd., Akashi, Japan Abstract ­­ Thi

A Low Cost 24-GHz FMCW Radar for Automobile Application Chuang Wang, Rong Qian, Ming-hui Yang, Yun Sun, Jian-zhong Gu and Xiao-wei Sun Shanghai Institute of Micro-system & Information Technology, RF &Microwave Group, Num.865 Chang Ning Road, 200050, Shanghai, China, +86-21-62511070-8607 Abstract -- A 24-GHz frequency modulation continuous-wave radar sensor with a novel type ,low-profile, and low c

A 1.5 to 37 GHz Ultra-Broadband MMIC Mouw's Star Mixer Chi-Yang Chang1, Ching-Ku Liao1, and Dow-Chih Niu2 1 National Chiao-Tung University, Communication Engr. Dept., 1001 Da-Hseuh Rd., Hsinchu, Taiwan R.O.C., 886-3-5712121 ext 54513 2 Chung-Shan Inst. of Science and Tech. Electronic System Dept. Lung-Tan, Taoyuan, Taiwan R.O.C. Abstract -- A MMIC ultra-broadband star mixer using Mouw's hybrid j