A monolithic 1-55 GHz HEMTdistributed amplifier in coplanar waveguide technology Roland Heilig, Detlev Hollmann, Guido Baumann Aleatel SEL AG, pforzheim, Germany Abstract A single stage four section 1-55 GHz GaAs monolithic distributed amplifier in coplanar technology has been developed. The achieved gain is more than 5 dB, the noise figure between 1040 GHz less than 5.5 dB and the return loss is

De-embedding of on-wafer lightwave measurements performed on a monolithic 10 Gb/s InP receiver-oeic D. Kaiser, H. GroBkopf, F. Grotiahn, I. Gyuro, w. Kuebart, J.-H. Reemtsma, and H. Eisele Alcotel SELResearch Centre Dep. Opto-Electronic Components ZFZ/WO Lorenzstr.1O, D-70435 Stuttgart, Germany Phone: +49711 821 5840 Fox: +497118216355 Abstract Small- and large-signal measurements on 10 Gb/s mono

Dual-band microstrip rectangular patch antenna using a spur-line filter technique David sanchez-Hernandez and Ian Robertson Con 1munications Research Group, Department of Electronic and Electrical Engineering, King's College, University of London, Strand, London WC2R 2LS, UK. Phone: +4471 873 2898 Fax +4471 8364781 Indexing terms: Microstrip Spur-line filters. resonator antennas, Microwave filters

Improved numerical strategies of microstrip antennas G. Splitt, FH-Kiel Institut for Communication and Electronics, Legienstr. 35, 24103 Kiel, Germany, Tel: 04322/6201, Fax: 0431/5198/110, email: splitt-e-techniUh-kiel.dbp.de for rigorous analysis Abstract Rigorous calculation of microstrip structures via Galerkin Method (Finite Element) is usually restricted to mainframe computer systems or at

Microstrip array antenna for an automatic road . . pricing system M. Guttenberger, K.H Mierzwiak, W. Sturm ANT Nachrichtentechnik GmbH, Gerberstr.33, D-71522 Backnang, FRG Tel: +497191133596; Fax: +497191132603 Abstract The paper deals with the development of a large contoured beam orthogonal equispaced microstrip array with flat topped/constant flux radiation pattern. The special radiation pat

A monolithic 35 GHz back-face using multi-layer techniques I. D. Robertson Communications Research Group Department of Electronic & Electricol Engineering King's College, University of London Strand, London, UK, WC2R 2LS patch antenna Tel +4471 8732523 Fax+44 71 8364781 Abstract A new technique is described for using the back-face of a monolithic chip to realise microstrip patch antennas, with

Broadband active circularly polarized microstrip antennas H. An, B. Nauwelaers, and A. Van de Capelle Katholieke Universiteit Leuven, Dept. of Electrical TELEMIC B-300 1 Leuven, Belgium. Tel: +32 16 220931, Fax: +32 16 221855 Engineering, ESAT- Abstract This paper presents a novel approach for the design of broadband active circularly polarized microstrip antennas. The semi-balanced amplifier con

A multiresonant slotted patch s. Maci, G.F. Avitabile, F. Bonifacio, L. Borselli Department of Electronic Engineering, Universityof Florence Via S. Marta 3, 50139, Florence, Italy TEL. :+3955 4796 274; FAX:+39 55 494569 Abstract A configuration of a slotted patch antenna is introduced, which allows two or more separate operating frequencies. Both of them are associated with a radiating mode alm

Application of the boundary elements radiation problems J. Abad, N. DuHo, J.M. Rius, J.C. Cruellas Dpto Teoria de 10 Senol y Comunicaciones, Grupo AM.R E.TS.I. de Telecomunicaciones de Barcelona. U.P.C Apdo 30002,08080 Barcelona Tell 93/401.72.61 method to 3-D Abstract In order to analyze the electromagnetic fields generated by perfectly conducting bodies composed by interconnected wires and sol

Spurious-free finite element analysis of multi axial coplanar waveguide discontinuities M.F.Wong, O. Picon and V. Fouad Hanna FRANCE TELECOM/Centre National d'Etudes des Telecommunications, Paris B PAB/STS, F92131 ISSY, FRANCE Abstract A finite element method which eliminates the spurious modes by using edge elements is used to analyse some elementary building blocks encountered in the design of