A NEW APPROACH TO PREVENT THE BURNOUT UNDER MISMATCHING LOAD CONDITIONS IN HIGH POWER HBT S. Suzuki, K. Yamamoto *, T. Asada, K. Chournei, A. Inoue, R. Hattori, N. Yoshida, and T. Shirnura High Frequency & Optical Semiconductor Division, *System LSI Development Center Mitsubishi Electric Corporation, 4-1 Mizuhara, ltarni, Hyogo 664-8641, Japan Tel: +81-727-84-7238, Fax: +81-727-80-2690, E-mail: ss

STATE -OF-THE-ART PERFORMANCE BARRIER V ARACTOR TRIPLER OF A HETEROSTRUCTURE OPERATING AT 250 GHz x. Melique 1, A. Maestrini 2, J. M. Goutoule 3, P. Goy4, P. Mounaix 1, M. Trier3 O. Vanbesien 1 , G. Beaudin 2, and D. Lippens 1 1 Institut d'Electronique et de Microelectronique du Nord, USTL, Avenue Poincare BP 69,F-59652 Villeneuve d'Ascq Cedex, France 2 Observatoire de Paris Meudon DEMIRM, 61 R

Harmonic Power Generation of GaAs-IMP ATT Devices up to 240 GHz H. Bohm, J. Freyer, M. Claassen Lehrstuhl fur Allgemeine Elektrotechnik und AngewandteElektronik, Technische Universitat Miinchen, Arcisstrafie21, D-80333Mtinchen, Germany Phone: ++49 (0)89289-22948, Fax: ++49 (0)89 289-22950,E-mail: aet-ei.tum.de Abstract - Cw-harmonic power generation of selfpumped GaAs double-drift IMPATT diodes ar

HIGH EFFICIENCY PLANAR FREQUENCY MULTIPLIER AT MILLIMETRE WAVES AND QUASI-OPTICAL INVESTIGATIONS FOR (SUB) MILLIMETRE APPLICATIONS J.L. Le Bras*, M. Le Goffl', B. Deschamps*, F. Le Pennec*, A. Peden*, D. Bourreau* and S. Toutain** * LEST UMR CNRS n° 6616 - ENST de Bretagne - BP 832 - 29285 BREST CEDEX E-mail: Daniel.Bourreau-enst-bretagne.fr - Tel : 332 98 00 13 14 - Fax: 332 98 00 13 43 ** IRESTE

AN 80-120 GHz SUB-HARMONICALLY PUMPED IMAGE-REJECT ThITEGRAnDCmCillTMDffiR Oya Sevimli and John W. Archer Commonwealth Scientific and Industrial Research Organisation (CSIRO) Telecommunications and Industrial Physics PO Box 76, Epping, NSW 1710, Australia E-mail: oya.sevimli-tip.csiro.au Abstract - An 80-120 GHz, sub-harmonically pumped image reject mixer (SHPIRM) was developed and tested. An IF

RF - and low frequency noise behavior of balanced resistive W-Band-Mixers v. Breuer, L. Klapproth, A. Schafer, G. Bock Technical University of Berlin, Microwave Engineering Group, Einsteinufer 25, 10587 Berlin, Germany email: vbreuer-mwt.ee.tu-berlin.de boeck-tu-berlin.de WWW: http://www-mwt.ee.tu-berlin.de Abstract We present a complete noise analysis for a balanced resistive W-band mixer, taking

WIRELESS AND MICROWAVE EDUCATION: FROM CIRCUITS TO SYSTEMS T. Weller and L. Dunleavy Department of Electrical Engineering, University of South Florida, Tampa, FL 33620 USA weller(a),eng.usf.edu, http://ee.eng.usf.eduJresearch_Iabs/WAMI! Abstract An innovative program is described that aims to meet the rapidly evolving demands of contemporary wireless education. Today's wireless engineers must face

Multimedia- and Computer-Based Engineering Education Magdy F. Iskander Electrical Engineering Depattment University of Utah Salt Lake City, Utah 84112 Abstract Multimedia technology provides a valuable resource to boost interest in engineering education and enhance the ability to teach and to learn from engineering courses. The ability to combine visualization of complex mathematical and abstract

THE EFFECTIVE USE OF COMPUTER MODELING AND VISUALIZATION IN MICROWAVE EDUCATION Wolfgang JR. Hoefer NSERC Research Chair in Radio Frequency Engineering Department of Electrical and ComputerEngineering Universityof Victoria, Victoria,BC, CanadaV8W 3P6 whoefer-ece.uvic.ca, htto:/Iwww.wirh.ece.uvic.ca Abstract - Many microwave educators are anxious to introduce computers into their teaching of elect

Globalization in Engineering Education: the German Experience Hermann Schumacher and Michael Hoffmann School of Engineering Science University of Ulm, D-89069 Ulm, Germany Email: hermann.schumacher-e-technik.uni-ulm.de Abstract - Engineering is a profession increasingly performed in a multi-cultural environment, with work groups spanning countries, if not continents. Yet engineering education was