A Design of Microstrip Directional Coupler for High Directivity and Tight Coupling Chul-Soo Kim, Young-Tae Kim, Seung-Hoon Song*, Wan-Soo Jung*, Kwang-Yong Kang** Jun-Seok Park, and Dal Ahn Div. of Information Technology Eng., Soonchunhyang Univ., Chungnam, R.O.Korea *Netel Inc. Seoul, R.O.Korea **Telecommunication Basic Research Lab., ETRI, R.O.Korea E-mail : dahn-ramrec.sch.ac.kr ABSTRACT In th

A MINIATURIZED BRANCH-LINE DIRECTIONAL COUPLER ON LOW TEMPERATURE COFIRED CERAMIC BOARD 1,2) 1) E. Loskot, 1) S. Leppävuori, 2)A. Kourbanov, 2)I. Vendik, 2)A. Lapshin and 1)E. Jakku University of Oulu, Microelectronics and Materials Physics Laboratories and EMPART Research Group of Infotech Oulu, P.O. 4500, FIN-90014 Oulu, Finland St.-Petersburg Electrotechnical University, Microwave Microelectr

SPECTRAL CHARACTERISTICS OF ANISOTROPIC DIELECTRIC DISK RESONATOR WITH IMPERFECT CONDUCTING END WALLS Yu.V. Prokopenko, Yu.F. Filippov Usikov Institute of Radiophysics and Electronics, National Academy of Sciences 12, Akad. Proskura St., Kharkov, 61085, Ukraine Tel.: (0572) 448593, E-mail: prokopen-ire.kharkov.ua ABSTRACT The electrodynamic analysis of a dielectric disk resonator with imperfect co

EXACT SOLUTION OF LOSSY ASYMMETRICAL COUPLED DIELECTRIC SLAB WAVEGUIDES P. R. Young* and R. J. Collier Electronic Engineering Laboratories, University of Kent at Canterbury, Canterbury, Kent, CT2 7NT, UK. email: p.r.young-ukc.ac.uk Microelectronics Research Centre, Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE, UK. email: rjc48-cam.ac.uk * ABSTRACT This paper g

ANALYSIS AND DESIGN OF CROSS-COUPLED, FOLDED E-PLANE FILTERS WITH ASYMMETRIC RESPONSES Erdem Ofli, Ruediger Vahldieck, and Smain Amari* Swiss Federal Institute of Technology, IFH, Gloriastrasse 35, CH-8092, Zurich, Switzerland Tel: +41-1-632 78 26, Fax: +41-1-632 11 98, E-mail: ofli-ifh.ee.ethz.ch * Dept. ECE, Royal Military College of Canada, Kingston, ON, K7K 7B4, Canada ABSTRACT Cross-coupled

Modeling and Measurement of Phase Noise in GaAs HBT Ka-Band Oscillators Friedrich Lenk, Matthias Schott, and Wolfgang Heinrich Ferdinand-Braun-Institut für Höchstfrequenztechnik (FBH), Albert-Einstein-Str. 11, D-12489 Berlin / Germany, Tel.: +49-30-6392-2625, Fax: +49-30-6392-2642, email: f.lenk-ieee.org, w.heinrich-ieee.org Abstract Accurate oscillator phase-noise simulation is a key problem in

Characterization of CMOS Spiral Inductors V. Palazzaril1 P. Placidi1, G. Stopponi1, P. Ciampolini2, F. Alimenti1, L. Roselli1 and A. Scorzoni1 2 1 DIEI, Università di Perugia, via G. Duranti 93, 06125 Perugia, Italy. DII, Università di Parma, Parco Area delle Scienze 181/A, 43100 Parma, Italy. Tel: +39-75-585.3637, Fax: +39-75-585.3654, E-mail: palazzari-diei.unipg.it Abstract In this work "full

Alleviating the Adverse Effects of Residual Stress in RF MEMS Switches Dimitrios Peroulis, Sergio P. Pacheco, Kamal Sarabandi, and Linda P. B. Katehi, Radiation Laboratory, Electrical Engineering and Computer Science Department, University of Michigan, 1301 Beal Ave., Ann Arbor, MI 48109-2122, dperouli-engin.umich.edu, katehi-engin.umich.edu. Abstract -- This paper presents two methods for counter

High Power Ultra Compact VCO with Active Reactance Concepts at 24 GHz E. Sönmez, A. Trasser, K. -B. Schad, P. Abele and H. Schumacher Dept. of Electron Devices and Circuits, University of Ulm, D-89069 Ulm, Germany esoenmez-ebs.e-technik.uni-ulm.de Extremely compact layout and circuit design techniques have been applied to commercially available Si/SiGe hetero bipolar transistor (HBT) MMIC technolo

Novel Sub-Harmonic Injection-Locked Balanced Oscillator N. Siripon1 , M. Chongcheawchamnan, and I. D. Robertson Microwave and Systems Research Group (MSRG), School of Electronics, Computing and Mathematics, University of Surrey, Guildford, Surrey, GU2 7XH, United Kingdom. 1 eep1ns-ee.surrey.ac.uk Abstract -- A novel sub-harmonic injection-locked balanced oscillator is proposed. The circuit provi