A HOMODYNE 'NETWORK MILLIMETERWAVE RANGE ANALYZER WITH PARALLEL MIXERS FOR THE Bernd Geck, Institut fUr Hochfrequenztechnik, UNI Hannover, Appelstr. 9A, 30167 Hannover JOrgen Marquardt, Institut fUr Hochfrequerwechnik, UN! Hannover, Appelstr. 9A, 30167 Hannover ~ ABSTRACT A new concept for a homodyne network analyzer . is presented which uses at least two parallel mixers in phase quadrat

A MILLIMETER INCORPORATING . NETWORK ANAL YSER A SINGLE SIX-PORT JUNCTION .. ~~' , f . t .) ~,. t. ':' I, , ),'. ',., ~. S~ Abou cbahine, B. Huyal1~B. Yuijk, E:tJ,erg~ultandL.Jaliet . t( ,,:''':' , "-. ~'j ABSTRACT: This paper presents an Automatic Network Analyzer (ANA) using a single six-port junction in the W frequency band (75-110 GHz). Its analysis, design, and testing are descr

CPW Millimeter-Wave Six-Port Reflectometers Using MHMIC and MMIC technologies . David MAURINI, Yansheng XUI, Bernard HUYART2, e WUI, Michel CUHACI3 K and Renato G. BOSISIOl ABSTRACT In this paper, a millimeter-wave MMIC six-port reftectometer is introduced. Coplanar waveguide (CPW) is used as transmission medium to make the design more compatible with uniplanar MICs and extend the working freque

A ,NEW,IS..40 GHz DUAL 6-PORT'VECTORNETWORK f ANALYZER '. \ " . ' , Joseph ACHKAR' ,- BNM/LCIE BP ,8, 922~6Fontenay-aux-Roses, . . , ..,', .., ;' ..' ,France > ':.., ... I ~ J ;:, ,~ 'Abst " ~c" . 't .. ' " . ., ;, , :; (' " '. " ~: 18-40 GHz coaxial ,dual 6-port vector network analyzer has been built with 2.92mm r precision connectors at the output test ports. The design of the

JOINT .APPLICATION OF SUPERABSORPTIONAND NEAR-TO-FAR FIELD TlWfSFOIUI TO FDTD ANALYSIS OFAXISYMMETRICALANTENNAS C.Mroczkowski, M.Celuch-Marcysiak, W.K.Gwarek Institute of Radioelectronics, Warsaw University of Technology, ul.NowowieJska 15/19, OO~665 Warsaw, Poland. tel: (22) 253929, fax: (22) 255248, e-mail: czarekmiire.pw.edu.pl ABSTRACT The paper presents joint application of superabsorptio

Antenna Element Miniaturization and the use of Airgap Matching Techniques D. P. Tl'a.n, M. Tian, L. P. Ligt,hart, M. Hajian Delft University of Technology Facult.y of Elect.rical Engineering Lab. for Telecommunication and Remot.e Sensing Technology Mekelweg 4, 2628 CD Delft, the Netherlands Tel. +31-15-781034, Fax. +31-15-784046 Abstract: In this paper we present : 1) A concept for antenna miniatu

CPW-FED SLOT ANTENNAS ON MULTILAYER DIELECTRIC SUBSTRATES Jean-Marc Laheune**, Linda P. B. Katehi* and Gabriel M. Rebeiz* .. LaboralOired'Electronique,Antenneset T6lecornmuniClltions Univenite de Nice-SophiaAntipolis, Valbonne06~, France . Electrical Engineering.andCcmputer Science ~rtment Univenity of Michigan, Ann Arbor, MI 48109-2122,USA A»STRACT CPW-fed Slot antennas printed on multilayer die

A NEW BEHAVIOUR OF COAXIALLY FED RECTANGULAR MICROSTRIP ANTENNAS PRINTED ON THICK SUBSTRA.TE P. ETOURNEAU- Ph. I.R.C.O.M. .~ CRE.A.P.E. 'Parc ESTER Technopole 87069 LIMOGES CEDEX Tel: 55.42.60.50 Fax: 55.42.60.55 LEVEQUE - B. JECKO -u.R.A. au C.N.R.S. n° 356 Equipe "Electromagnetisme" Faculre des Sciences 123, Avenue Albert Thomas 87060 LIMOGES CEDEX ABSTRACT Increasing the substrate thickness

- CHARACTERIZATION, OF A".CIRCULAR P,OLARIZATION MICROSTRIP' ANTENNA 'USING.JA, TEMPORAL METHOD ~ ' L. Cirio, R. Vasta, J.L. Dubard?D. Pompei. I. '. ' ,: ,-) ' Laboratoire crElectronique,Universite de Ntce-Sophia Antipolis' \.<'CNRS URA 1400,25 rue Albert Einstein, 06560 Valbonne, France Tel: 92.94.28.26, fax: 92.94.28.12 ABS1RAq In this paper, we describe the determination of the characteristi

ANALYSIS OF MULTIREFLECTOR ANTENNA CLUSTERS BY SPECTRAL METHODS V.E.Boria, M.Baquero, M.Ferrando Departamento de Comunicaciones, U.P.V. Camino de Vera sIn 46071, Valencia (SPAIN) Telephone: 34 6 3877307 Fax: 34 6 3877309 E-mail: Boria-dcom.upv.es ABSTRACT. This paper analyzesmultireflectorantennas makinguse ofspectral domain techniques. The behaviour of the multireflector antenna is determined by