Scattering Parameters and Mode Conversion in Asymmetric CPW-Microstrip Overlap Transitions. L. KADRI, P. PANNIER, F. HURET, P. PALECZNY, C. SEGUINOT, P KENNIS Institut d'Electronique et de MicroeJectronique du Nord. U. M. R. CNRS 9929. Avenue Poincare, Domaine Scientifique et Universitaire de Villeneuve d' Ascq. B. P. 69, 59652 Villeneuve d' Ascq Cedex, FRANCE TeL. (+33) 3.20.19.79.58., Fax. . (+

AIR BRIDGE BASED PLANAR HYBRID TECHNOLOGY FOR MICROWAVE AND MILLIMETERW AVE APPLICATIONS E. Wasige, G. Kompa, F. van Raay, I. Schmale, I.W. Rangelow*, W. Scholz*; F. Shi*, R. Kassing*, R. Meyer**, M.-C. Amann** and P. Hudek***. FG Hochfrequenztechnik/AG Technische Physik*/FG Technische Elektronik** University of Kassel D-34121 Kassel, WilhelmshOher Allee 73 Tel: +49-561-8046364, Fax: +49-561-804 6

RF and DC multilayer: The Multi Function Concept P.Langlois Hollandse Signaalapparaten BV PO Box 42 Hengelo, The Netherlands Tel:+31 742482774/ Fax: +31 742484058/ E-mail: langloisp-signaal.nl Abstract: Future beamforming radar, especially of the phase array type, have demanding requirements on integration of RF antenna, transmit and receive functions. This paper describes a novel type of printed

IMPROVING OF IIIGIl-SPEED I\IOIHlLES BY AN ADV.\NCED ClIIP-IN-BOAIW ASSEMBLY Gerhard HanIH')' nd Wolf-Dietel'Nohl't a Dcntschc Tclckom AG Tcchnologic/.clltnIm Darnlstadt 2'()' Am Kmallcricsand 1)' - Agastrafk (,.( 2')5 Dannstadt)' - 12 .IX'! Bcrlin)' Gcrmany Phonc: +.('! (,151 Xl 152(,)- - +.(') 10 (,70X 15')1)' Fax: +.(') (, 151 Xl H('5)- - +.(') 10 (,70X 21(,1)' E-mail: hankc((/'lId.telckom.dc

Radiation From Directive Antennas Close to Human Tissue Robert Leijon, Zvonimir Sipus and Per-Simon Kildal Antenna Group, Department of Microwave Technology Chalmers University of Technology 8-412 96 Goteborg, Sweden e-mail: leijon-nt.chalmers.se Abstract The possibility of reducing the radiation from mobile phones into the human body by using a directive antenna is studied. The antenna analyzed

A GaAs MMIC Digital Phase Modulator G. Avitabile, A. Cidronali, C. Salvador, G. Manes Dipartimento di Ingegneria Elettronica Via S.Marta, 3 - I - 50139 - FLORENCE - ITALY phone # +39.55.4796386 fax # +39.55.494569 E-Mail acidronali-ingfil.ing.unifi.it Abstract - The paper introduces a GaAs MMIC digital phase modulator based on a lumped quadrature hybrid The quadrature coupler is implemented using

Modulation Imperfections in 1554 Dual Mode Cellular Radio Avi BrillantB.Sc.-EE OptomicMicrowavesLTD. MigdalHa'Emek10551 P.O.B 153 Tel:972-6-545440 Fax:972-6-545382 A. Abstract David Pezo B.Sc.-EE Telrad Inc. LTD. Lod-71100 P.O.B-50 Tel :972-8-9273229 Fax :972-8-9273164 Non ideal I and Q calibration circuits on one hand, phase noise spurious response of the synthesizers and carrier leakage on th

Six-port Direct Conversion Receiver Jari Hyyryliiinen, Leonid Bogod, Seppo Kangasmaa, Hans-Otto Scheck, Tommi Yliimurto Nokia Research Center, P.O. Box 45, (Heikkiliintie 7), FlN-00211 Helsinki, Finland ABSTRACT The applicability of the known six-port receiver structure for mobile phones was studied. The six-port receiver is typically used in high frequency microwave analyzers where a wide ban

Linearization of Microwave Emitters using an Adaptive Digital Pre distorter Ernesto G. Jeckeln, Fadhel M. Ghannouchi and Mohamad Sawan Department C.P. 6079, of Electrical and Computer Engineering Ecole Poly technique de Montreal Succ. Centre Ville, Montreal, Canada H3C 3A7 Abstract Adaptive digital predistortion for nonlinear power amplifier (PA) became one of the most robust linearization tec