Improvements measurements in on-wafer load pull Y. Gao, D. Kither, B. Roth, Th. Sporkmann and I. Wolff Institut far Mobil- und Satellitenfunktechnik, Cari-Friedrich-GauB StraBe 2, 47475 Kamp-Lintfort, Fax:#492842-981299 Phone:#492842-981200 Abstract This paper describes new results in the field of OnWafer Load Pull measurements. While the applied system may be of any (vectorized) kind, the focus

A phased array antenna for mobilesatellite communications in L-band (Near-FieldlFar-Field Measurements) A.P.Ansbro**, D.Finotto*, P.Glanola* CSELT Centro Studi E Laboratori Telecomunicazioni,Via G. Reiss Romoli 274 - 110148 Torino ITALYTel: +39 11 2287245 Fax: +3911 2285295 CSELT under an EEC contract "Human Capital and. MobilityAbstract This paper describes the characteristics of a microstripphas

Integrated uniplanar oscillatortransmitter and mixer with active antennas Aleksandar Neslc, Slnlsa Jovanovic, Ivana Radnovic Institute of Microwave Techniques and Electronics Lenjinov bulevar 165 b, P.O.Box 58, 11070 Belgrade, Yugoslavia Tel:++381 11 2221215 Fax:++381 11 138928 Abstract A new concept, design and realisation of integrated uniplanar oscillator-transmitter and mixer with active anten

A double layer microstrip spatial amplifier with increased active device density Toni Ivanov and Amlr Mortazawl Department of Electrical and Computer Engineering, University of Central Florida, Orlando, FL 32816-2450 Abstract A new quasi-optical amplifier consisting of four HEMTs coupled to a single receiving and a single transmitting microstrip patch antenna Is presented. This circuitcan be used

Voltage controlled self-oscillating microstrip patch antenna .JuraJ Bartollc*, .John Sanford**, Zvonlmlr Slpua**, D8vor Bonefaclc* *University of Zagreb, Faculty of Electrical Engineering and Computing, Department of Radiocomlnunications and Microwave Engineering, Unska 3, HR-10000 Zagreb, Croatia ** Chalmers University of Technology,Department of Microwave Technology S-41296, Gothenburg, Sweden

A versatile active antenna for lowcost microwave link applications G.Sofficl, Gentill G. Avitabile, G. 81ffl Dipartimento di Ingegneria Elettronica, Via S.Marta, 3, I - 50139 - Florence - Italy, Tel.:+39 55 4796 388; E-MAIL: MICLAB-INGFII.ING.UNIFI.IT Abstract An active antenna which configures a complete microwave receiving/transmitting front-end is inlroduced. The module is based on a single b

An Active Microstrip Leaky-Wave Antenna Employing Uniplanar Oscillator Chlng-Kuang C. Tzuang and Guang...Jong Chou Instituteof Communication Engineering, NationalChiao Tung University,No.1 001 , Ta Hsueh Road, Hsinchu, Taiwan, ROC. Abstract In this paper we describe the design and construction of uniplanar GaAs HEMT oscillator which couples the electromagnetic energy to the microstrip leaky-wave a

Novel techniques for obtaining high isolations in practical microwave FET MMIC mixers A. H. Bare. & I. D. Robertson MMIC Research Team, Communications Research Group, Dept. of Electronic & Electrical Engineering, King's College London, University of London, Strand, London WC2R 2LS. U.K. Tel: +44 171 873 2523 Fax:+44 171 8364781 Abstract This paper presents noveltechniques for obtaining high RF/LO

V-band MMIC mixers using AIGaAsl InGaAs/GaAs PM HFET c. KOlanowski, R. Allam, .lliC. De .Iaeger, P. Bourne-Vaonaba*, C. Dourlens*, .IiiFavre* I.E.M.N. - U.M.R. C.N.R.S. 9929, Departement Hyperfrequences et Semiconducteurs Avenue Poincare, B.P. 69 - 59652 VILLENEUVE D'ASCQ CEDEX FRANCE * Thomson CSF SEMICONDUCTEURS B.P. 46, route SPECIFIQUES CEDEX Abstract Departementale 128 91401 ORSAY - MMIC

A millimeterwave AllnAs-GalnAs HFET-based subharmonically pumped . mixer Herbert Zirath*,**, IIcho Angelov*, Nlklas Rorsman*, Christer Karlsson*, and Mlkko Sironen* *Chalmers University of Technology, Department of Microwave Technology, S412 96 Goteborg, Sweden **Ericsson Microwave Systems AS, Microwave Communications Division S-431 84 Molndal, Sweden Abstract The feasibility of subharmonically