Spatial Power Combining of Second-Harmonic Gunn Diodes Using an Overmoded-Waveguide Resonator at W-band Jongsuck Bae, Mai Tsuzuki SIKUMI-College, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya 466-8555, Japan backshort was demonstrated experimentally at W-band as described in ref. [4]. In this paper, the theoretical and experimental results for optimization of the overmoded-waveguide har

Optimum Resonant Conditions of Stepped Impedance Resonators Sheng-Yuan Lee Manufacturing and Product Engineering Division, VIA Technologies, Inc. 8 F, 533 Chung-Cheng Road, Hsin-Tien, Taipei 231, Taiwan optimum solutions of the resonant conditions, mentioned in the previous paragraph, are then concluded. These results are very helpful and valuable for the designers to make the initial estimate of

Single-chip Dual-band WLAN Power Amplifier using InGaP/GaAs HBT Chien-Cheng Lin1, Yu-Cheng Hsu2 Computer & Communications Research Laboratories, Industrial Technology Research Institute, 195 Sec. 4, Chung Hsing Rd., Chutung, Hsinchu 310, Taiwan R.O.C., Phone: +886-35915554, E-mail1: peter.cclin-gmail.com, E-mail2: YCH-itri.org.tw doping concentration also allows the base region to be made quite th

Modifying Hybrid Coupler Design to Enhance Six-Port Reflectometer Performance JJ Yao, Y Chen and SP Yeo Electrical & Computer Enineering Department National University of Singapore Kent Ridge, Singapore 0 0 e -j2 e -j Abstract -- In general, six-port reflectometers based on standard four-port couplers do not satisfy the ideal-case design specifications stipulated for optimum performance. It is sh

Noise Analysis of ESD Structures and Impacts on a Fully-Integrated 5.5GHz LNA in 0.18µm SiGe BiCMOS Guang Chen1, Haigang Feng1, Albert Wang1 and Yuhua Cheng2 1 Dept of ECE, Illinois Institute of Technology, 3301 S. Dearborn St., Chicago, IL 60616, USA, awang-ece.iit.edu 2 Siliconlinx, Inc., P.O. Box 51951, Irvine, CA 92619, USA B. LNA + ESD To investigate the ESD noise impact on practical LNA ci

Cost-effective 60-GHz Modules with the Local-Oscillator having the Temperature-Coefficient of 0 ppm/°C ° for "Digital-Home"-Systems Osamu Anegawa , Hiroshi Nakano, Kinjiro Kosemura, Kiyoshi Kajii and Yasutake Hirachi *Eudyna Devices Inc., 1 Banchi, Kanai- Cho, Sakae- ku, Yokohama, 244 - 0845, Japan Phone : + 81- 45- 853- 8160, Fax : + 81- 45- 853- 8170, E-mail : o. anegawa-eudyna.com W Abstract

Network Approach to UWB Antenna Transfer Functions Characterization Xianming Qing, Zhi Ning Chen, Michael Yan Wah Chia Institute for Infocomm Research 20 Science Park Road, #02-21/25, TeleTech Park, Singapore Science Park II, 117674, Republic of Singapore Tel: 65-69709232, Fax: 65-67795441 Abstract - Transfer functions are useful parameters for UWB antenna characterization. In this paper, the tran

220 GHz Wafer Probe Membrane Tips and Waveguide-to-Coax Transitions Richard L. Campbell, Michael Andrews, Timothy Lesher, and Chris Wai Cascade Microtech Inc. 2430 NW 206th Ave. Beaverton, OR, 97006, USA, 503 601-1619 Abstract ­ We have developed two different styles of thin-film membrane tips for wafer probing to 220 GHz, and a membrane waveguide-to-coax transition. The new tips and waveguide -to

Two-Stage Adaptive Power Amplifier MMIC for Handset Applications Y. S. Noh1, I. B. Yom1, C. S. Park2 1 Satellite Communications RF Technology Team, Electronics and Telecommunications Research Institute, 161 Kajeong Yuseong, Daejeon, 305-350, Korea Phone: +82-42-860-6445, Fax: +82-42-860-6949, E-mail : nohys-etri.re.kr 2 School of Engineering, Information and Communications University (ICU) 103-6

Microwave Propagation Trough Mixed Ensemble of Hydrometeors: Effect of Backscattering A. Lawama1, A. Pitertsev2, F. Yanovsky2,3 Mutah University, P.O. Box: 81, Mutah, 61710, Jordan e-mail: lawama-mutah.edu.jo 2 National Aviation University, Prospect Komarova 1, 03058, Kiev, Ukraine e-mail: yanovsky-i.com.ua; pitertsev-bigmir.net 3 Delft University of Technology, TU-Delft, IRCTR, Mekelweg 4, P.O. B