APPLICATION OF A 3D FINITE ELEMENT METHOD IN THE TIME DOMAIN TO MICROWAVE COMPONENTS M.F.Wong, O.Picon and V.Fouad Hanna FRANCE TELECOM I CNET, Centre Paris-B PABIRSHlHYS, 38 rue du General Leclerc, F92131 ISSY, FRANCE Tel: 33-1-45-29-65-95 ; Fax: 33-1-45-29-45-34 ABSTRACT A finite element method based on the use of Whitney forms for the space discretization of the fields and a leap-frog scheme in

A Superconducting Cooler Asher ftadjar, COllpact C-Band Low Noise Front End With an Integral Avi Biran, Avi Breitbard ,AvinoaaPhilosof. RAFAEL, Haifa, Israel. P.O. Box 2250(code 87), Haifa, Israel. 792037, E-.ail: asherlee.technion.ac.il . Tel. +972-4-794128~ fax +972-4- ABSTRACT We report a superconducting RF front-end operating in C-band, which includes a narrow band filter (pre-sel

Direct Chip Mounting GaAs Power Module using an AIN Substrate Masahiro Maeda, Hiroyasu Takehara, tvtasaaki Nishijima, Hiromasa FujimotO. Yorito Ota and Osamu Ishikawa . . Semiconductor Research Center, Matsushita Electric Industrial Co., Ltd. ,r3-1~1 Yagumonakafri:ach},Moriguchi, Osaka 570, JAPAN Abstract A new power amplifier module (PAM) in which GaAs power MESFETs are mounted directly on an al

2:GHz BandwMth Predistortion Unearizer for Microwave Power Amplifiers at Ku-Band . , .' ,~ G?e'ggers R. ,Kohl Deutsche AerospaceAG~ Sateilite Systems~: D-81663MOnchen,Germany Telephone: +49 89 607 29679 Telefax: +49 89 607 27206. r . .'.: ABSTRACT , " Modern communication satellites carrying large nambers of signals require High Power Amplifiers (HPAs), which provides RFpower with high lin

ADVANCED OF MONOLITHIC FUNCTIONINTEGRATED AND FAILURE ANALYSIS TRAVELLING WAVE AMPLIFIERS BY SCANNING-FORCE-MICROSCOPY C. BOHM, A. LEYK, J. SPRENGEPIEL, and E. KUBALEK Gerhard-Mercator-Universitat-GH Duisburg Fachgebiet Werkstoffe der Elektrotechnik BismarckstraBe 81, 47048 Duisburg, Germany ABSTRACT , For the first time a scanning force microscope (SFM) test system is used for high resolut

FOUNDRY CELL ORIENTED DESIGN OF ACTIVE COPLANAR POWER DIVIDERS AND COMBINERS FOR MMIC APPLICATIONS B. Hopf, D. KOther, T. Sporkmann, I. Wolff, FELLOW, IEEE . IMST Institut fl1rMobil- und Satellitenfunktechnik Moerser Str. 316, D-47475 Kamp-Lintfort,FRG and J. Borkes Mercator Universitllt GH-Duisburg BismarckstraBe 81, D-47058 Duisburg, FRG ABSTRACT New types of active three ports, based on conv

Standard MMICs for space application: A broadband high resolution phase-shifter. E. Rogeaux**, V. Grognet **, J.L Cazaux*, F. Coppel*, M. Geen ***, G. Gatti ****. *ALCATELESPACE 26 avenueJ-F Champollion, B.P. 1187,31037ToulouseCedex France **ALCATEL/ LEMMIC 5 rue Noel Pons, 92734Nanterre Cedex France Pho 1 46523908 Fax 1 46523226 ***GECMarconiMaterialsTechnology,Caswell,Northamptonshire,NN12 8E

Voltage Dependence of the Optical Response of aPseudomorphic HFET-Photodetector A. Bangert, J. Rosenzweig, R. Bosch, W. Bronner, K. Kohler, B. Raynor Fraunhofer-Institut fUr Angewandte'Festkorperphysik Tullastrasse 72, D-79108 Freib\irg LBr..: Germany, Phone: +49 (761) 5159-525, Fax: +49 (761) 5159-565 ABSTRACT A pseudomorphic HFET has been used as a photodetector The optical response of such a

Optical Phase Modulation Based on an Artificial Line On GaAs Substrate Transmission M.S.Soghomonian and C.S. Aitchison Department Of Electrical Engineering and Electronics BruneI University, Uxbridge, Middlesex UB8 3PH United Kingdom TEL ++44 (0) 895274000 ext. 2840 Fax ++44(0) 895 258 728 Abstract . This paper describes simulated results of an optical modulator, based on an artificial transm

Millimeter-wave fiber optic technologies for subcarrier transmission systems Nobuaki IMAI, Seiichi BANBA,Eiji SUEMA TSU, and Hisashi SAWADA ATR Optical and RadioCommunic.itions ResearchLaboratories 2-2 Hikari-dai, Seika-cho, Soraku-gun, Kyoto 619-02, Japan ABSTRACf This paper describes millimeter-wave fiber optic technologies for subcarrier transmission systems to be used for future mobile syste