Direct-Conversion Quadrature Modulator MMIC Design with a New 90 Degrees Phase Shifter Including Package and PCB Effects for W-CDMA Applications J.M. Wu1, F.Y. Han1, T.S. Horng1, and J. Lin2 National Sun Yat-Sen University, Department of Electrical Engineering, Kaohsiung 804, Taiwan Tel: (886-7) 5254119, e-mail: jason-ee.nsysu.edu.tw 2 University of Florida, Department of Electrical and Computer E

Statistical Diagnosis and Parametric Yield Analysis of Liquid Crystalline Polymer RF Dualband Filters Souvik Mukherjee1, Madhavan Swaminathan1, Erdem Matoglu2 1 School of Electrical Engineering, Georgia Institute of Technology, Atlanta, GA-30332 2 IBM Corporation, Austin, TX- 78767 Abstract -- An efficient statistical diagnosis and yield analysis methodology for RF passive circuit layouts such a

Spatial Filter with Quasi-Elliptical Response Lyudmyla P. Mospan1, Anatoly A. Kirilenko1 Institute of Radiophysics and Electronics of the National Academy of Science of Ukraine, Computational Electromagnetics Department, 12, Ac. Proskury Str., 61085, Kharkov, Ukraine phone: +38 057 7448518, fax: +38 057 7441105, e-mail: lyuda-ire.kharkov.ua 1 Abstract -- Spatial filters with quasi-elliptical resp

A Construction of Coupled-Line 3-dB Couplers Using Quarter-Wave Connecting Lines Takao FUJII, Isao OHTA, Tadashi KAWAI, and Yoshihiro KOKUBO Graduate School of Engineering, Himeji Institute of Technology, University of Hyogo 2167 Shosha, Himeji-shi, Hyogo, 671-2201 Japan Tel & Fax: +81-792-67-4872, E-mail: eu04l004-steng.u-hyogo.ac.jp Abstract -- This paper presents a construction of coupled-line

A Direct-Conversion Receiver for Low-Voltage Low-Power Multi-Band UWB with a Novel SingleLevel Mixer Byoung Gun Choi1,2, Seok-Bong Hyun1, Geum-Young Tak1, Tae Young Kang1, Seong Su Park1, No Gil Myoung2, and Chul Soon Park2 1 Electronics and Telecommunications Research Institute (ETRI), Gajeong, Yuseong, Daejeon, Korea 2 Information and Communications University (ICU), Munji, Yuseong, Daejeon, Ko

Multiple-Step Rectangular Horn with Two Orthogonal Sectral Tapers for Elliptical Beam Hiroyuki Deguchi, Hirotsugu Urata, Mikio Tsuji and Hiroshi Shigesawa Doshisha University, Department of Electronics, Kyotanabe, Kyoto 610-0321, Japan. Tel: +81 774 65 6371, fax: +81 774 65 6824, e-mail: hdeguchi-mail.doshisha.ac.jp Abstract-- This paper proposes a new rectangular horn with two orthogonal sidewall

A GaAs Monolithic Anti-Series Varactor Pair for Voltage-Controlled Capacitance with Reduced RF Nonlinearity Qing Han1, Atsushi Shimura1, Keizo Inagaki1, Takashi Ohira1, Masami Akaike 2 1 ATR Wave Engineering Lab, 2-2-2 Hikaridai, Keihanna Science City, Kyoto 619-0288 Japan, +81 774 95 1536 2 Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601 Japan Abstract -- This paper pre

A Miniature DC-to-50 GHz CMOS SPDT Distributed Switch Mei-Chao Yeh, Zuo-Min Tsai and Huei Wang Dept. of Electrical Engineering and Graduate Institute of Communication, National Taiwan University, Taipei, 106, Taiwan demonstrates the first CMOS switch operating from dc to millimeter-wave frequency with a miniature chip size of 0.5 x 0.5 mm2. II. SWITCH DESIGN Figure 1 shows the circuit schematic of

Broadband 180o Bit X-band Phase Shifter Using ParallelCoupled Lines Gyu-Je Sung1, Rahim Kasim2, Jee-Youl Ryu2, Bruce Kim2 1 Hankyong National University, Ansung, Kyonggi-Do, 456-749, Korea, +82-31-670-5195 2 Arizona State University, Tempe, AZ, 85287, USA, +1-480-965-3749 characteristic impedances, Ze and Zo of the lines and their length, Abstract -- A novel, simple and broadband 180o bit X-band

Enhancement of Frequency-Tunability for a Smith-Purcell Free-Electron Laser in the Millimeter-Wave Region T. Shiozawa1, T.Muya2, A. Hirata2, and Z. Kawasaki2 Chubu University, Kasugai, Aichi 487-8501 Japan 2 Osaka University, Suita, Osaka 565-0871 Japan 1 Phone: +81-568-51-6586, Fax: +81-568-51-1478, E-mail: shiozawa-isc.chubu.ac.jp 1 Abstract ­ The frequency-tunability for a Smith-Purcell free-e