COPLANAR WAVEGUIDE TO SLOTLINE TRANSITIONS FOR TAPERED SLOT ANTENNAS ON INDIUM PHOSPHIDE D. Mirshekar-Syahkal8, D. J. Newson+, D. Wake+ and I. D. Henning+ 8Dept. of Electronic Systems Eng., University of Essex, Colchester, Essex C04 3SQ, UK +BT Labs., Martlesham Heath, Ipswich, Suffolk IP5 7RE, UK ABSTRACT Three different transitions for connecting the coplanar waveguide (CPW) to the slotline were

A RIGOROUS DISPERSIVE CHARACTERIZATION OF RADIATING COPLANAR WAVEGUIDE DISCONTINUITIES AND JUNCTIONS. B. LINOT*, M.F. WONG*, O. PICON*, V.FOUAD HANNA* andM. DRISSI** * FRANCE TELECOM - CNET Paris B, 92131 Issy les Moulineaux, France. ** INSA, CNRS, URA 834, 35043 Rennes Cedex, France. Tel: 33-1-45-29-61':86 , Fax: 33-1-45-29-45-34. :'II ABSTRACT: ~~ i~',:; A full-wave analysis of coplanar wavegu

Automating the Layout J.Robinson and D.Linton of MMI,C Cir~uits Using ArtificialJntelligence Techniques High Frequency Electronics Laboratory, Department of Electrical and Electronic Engineering, The Queen's University of Belfast, Ashby Building, Stranmillis Road, Belfast, Northern Ireland, BT9 5AH. Tel +44 +232 +245133. Fax +44 +232 +667023 ABSTRACT 4 A novel Knowledge Based System for MMIC l

HIGH-TC SUPERCONDUCTING I.B.Vendikl, M.M.Gaidukovl, V.N.Osadchiyl D.I.Kaparkov2, PHASE SHIFTERS V.V.Kuznetsov2, A.B.Kozyrevl, 1St.-Petersbul.g Electrotechnical University, St.-Petersburg, 197376, Russia 2Department of Microwave Technology, Chalmers University of Technology, Gotebotg, S-41296, Sweden. (Pellnanent address: St.-Petersburg Electrotechnical University, St.Petersburg, 197376, Russia)

BROADBAND OPTIMISATION OF MICROWAVE MIXERS FOR SIGNAL AND NOISE PERFORMANCE Vittorio (1) RIZZOLI (1), Alessandra COSTANZO (1), Claudio CECCHETTI (2), Franco MASTRI (3) Dipartimento di Elettronica, Informatica. e Sistemistica, University of Bologna, Villa Griffone, 40044 Pontecchio Marconi, Bologna, ITALY (2) FondazioneUgo Bordoni,Villa Griffone, 40044 PontecchioMarconi,Bologna,ITALY (3) Istituto

Millimeterwave high power pulsed silicon' IMPA TT oscillator modelling. C~DALLE* , B. CAPOEN*, M.R. FRISCOURT*, * * , M. DOREL *'*, C. DUA *** * IEMN UMR CNRS 9929 Departement Hyperfrequences et Semiconducteurs Avenue Poincare BP 69 59652 Villeneuve d'Ascq CEDEX-FRANCE Tel: 20 19 79 20 Fax: 20 19 78 96 ** THOMSON-CSF Semiconducteurs specifiques (TCS) Domaine de Corbeville, 91401 Orsay CEDEX-FRANCE

HBT Microwave Power Amplifier Design and Implementation Based on Large-Signal Characterisation. I~ ~. I.; . '" . \. . Michael J. Staniforth and ChristopherM. Snowden. Department of Electronic and Electrical Engineering; ,University, '..' , ,;.:,' of Leeds, UK. ABSTRACT A high efficiency 1.8GHz AIGaAs/GaAs HBT power amplifier for low voltage battery operation is designed and built a new desi

PREDICTED SMALL-SIGNAL GAIN OF THE HBT DISTRIB{]TED AMPLIFIER WITH PRACTICAL TERMINATIONS I. A. Botterill and C. S. Aitchison Department of Electrical Engineering and Electronics BruneI University Uxbridge, Middlesex 008 3PH, UK ABSTRACT Recent interest in the heterojunction bipolar transistor (HBT) distributed amplifier (DA) has led to a need for an analytical expression predicting its small-sign

A Continuous G IT Measurement for Satellite Kiyohiko Department Itoh, Technique Broadcasting Yas ut aka Ogawa, Engineering, and Faculty Receivers Yuliman Purwanto of Engineering, of Electronic Hokkaido University Sapporo 060 J AP AN Kita 13, Nishi 8, Kitaku, ABSTRACT Weather conditions affect the performance of satellite broadcasting receiving antennas. Snow accretion on antennas degrades

DEVELOPMENT OF A MASTER OSCILLA TOR USING A,~TIVE MULTIPLIERS FOR .; .; INTELSAT Vro SATELLITE,S' , fl. , , H.As.boka,P.M.Gourlay" . ' G.D.Callaghan, , ' 'anti J.B.Ness .... MITECLtd., 23 Hasp St., 17 Mile Rocks, nrisbane, AuStralia 4073. . , . Tel: (617) 376 SS88. FAX: (617) 376 3772 " ABSTRACT Space-qualified master oscillators at upper C-band microwave frequencies for INTELSAT VIII sate