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Marconi and the invention of wireless communication
FREE SPACE VECTOR TRANSMISSION-REFLECTION from 18 to 760 GHz
FREE SPACE VECTOR TRANSMISSION-REFLECTION from 18 to 760 GHz Philippe Goy, Michel Gross, AS Millimetre, 52 rue Lhomond, 75005 Paris, France tel: 33 1 470771 00, fax: 33 1 47077071 Abstract In millimeter and submillimeter waves, propagation in free space is easily obtained with reasonable size quasi-optical components. Quasi-plane wave transmission-reflection measurements have been observed with ve
MMICs FOR 30/20GHz SPACE EQUIPMENTS
MMlCs FOR 30/20GHz SPACE EQUIPMENTS H.Buret*, M.Hiibner*, B.Rattay*, A.Recly**, C. Tronche** °ALCATEL LEMMIC, 5 rue Noel Pons F-92734 Nanterre Cedex, Tel: (33.1).46.52.37.48 Fax: (33.1).46.52.32.26 oOALCATELESPACE, 26 avenue J.F.Champollion BP 1187.,F-31037 Toulouse Cedex ABSTRACT A set of MMICs at Ka-band including a 30GHz Low Noise Amplifier, a 30/20GHz Down-converting Mixer, a 20GHz Low Level
LOW LOSS LOW COST MICROSTRIP MILLIMETER WAVE SWITCHES AT 94 GHz
LOU LOSS Asher LOU COST ftICROSTRIP Zoref ftILLIftETER WAVE SWITCHES AT 94 6Hz ftadjar ,Saul ,Dan Adar Technion - Israel Institute of Technology and RAFAEL, Haifa, Israel. P.O.Box 2250(code 87), Haifa, Israel. Tel. +972-4-794128, fax +972-4792037,E --ail: asherlee. techn ion. ac. il ABSTRACT In recent years both military (sensors, seekers) and commercial (automotive) millimeter waves app
AN SIS SUBMILLIMETRE WAVE HETERODYNE RECEIVER FOR RADIOASTRONOMY AT 368 AND 380 GHz USING Nb/AI-AIOx/Nb JUNCTIONS.
AN SIS SUBMILLIMETRE WAVE HETERODYNE RECEIVER FOR RADIOASTRONOMY AT 368 AND 380 GHz USING NblAI-AIOxINbJUNCTIONS, G. Beaudin*, M. Gheudin*, A. Deschamps*, G. Ruffie*, F. Gadea*, LPagani,* P. Encrenaz*, with P. Febvre*, P. Feautrier**, S. George**, B. Leridon*, R. Maoli*, C~ Gac*, E. Gausi,* A. Germont*, P. Landry* ; J.C. Pernot**, M.C. Lemonnier**, J.C. Marecha/** ; J . Lacroix***, G. Montignac***
STUDIES OF JOSEPHSON MIXING IN SIS JUNCTIONS
STUDIES OF JOSEPHSON MIXING IN SIS JUNCTIONS " A.Vystavkinl, M.Tarasovl, G.Prokopenkol, S.Shitovl, S.Jacobsson2, V.Kosheletsl, S.Kovtonyuk 1, C.Holmstedt2, L.Filippenko 1, I.Lapitskaya J, E.Kollberg2 lInstitute of Radio Engineering & Electronics of Russian Academy of.~iences, Mochovaya 11, 103907, Moscow, Russia 2Chalmers University of Technology, Department of Microwave Technology, S412 96 Gote
Multimode Network Representation of Two Dimensional Steps in Rectangular Waveguides
Multimode Dimensional Network Representation of Two Steps in Rectangular Waveguides A. Alvarez Melcont and M. Guglielmit tAlcatel Espacio. 28760 Tres Cantos. Madrid. Spain. Fax: 34-1-8040016. Tel: 34-1-8034710. tEuropean Space Research and Technology Center (ESTEC). P.O. Box 299. Noordwijk, The Netherlands. Fax: 31-1719-84596. Tel:31-1719-83493. ABSTRACT In this paper a new Multimode Network re
AN IMPROVED EQUIVALENT CIRCUIT REPRESENTATION OF STRIPLINE STEP IN WIDTH DISCONTINUITIES
AN IMPROVED EQUIVALENT CIRCUIT REPRESENTATION STRIPLINE STEP IN WIDTH DISCONTINUITIES C. Spillard, S.R. Pennock, P.R.Shepherd, M.H. Burchett School of Electronic and Electrical Engineering, University of Bath, Claverton Down, Bath, Avon, BA2 7AY. United Kingdom. Tel.(022S)826281 Fax.(0225)82630S OF ABSTRACT This paper presents an improved equivalent circuit representation of symmetrical striplin
A NOVEL TRANSITION BETWEEN RECTANGULAR WAVEGUIDE AND LAYERED RIDGE DIELECTRIC WAVEGUIDE
A NOVEL TRANSITION LAYERED BETWEEN RECTANGULAR WAVEGUIDE RIDGE DIELECTRIC WAVEGUIDE AND George E. Ponchak National Aeronautics and Space Administration Lewis Research Center Cleveland, Ohio 44135 Nihad I. Dib and Linda P. B. Katehi Radiation Laboratory Department of Electrical Engineering and Computer Science University of Michigan. Ann Arbor, Michigan 48109-2122 ARSTRArT A novel transition
FD-TD Analysis of Coplanar Waveguide to Slotline Transitions Accounting for Air- Bridge, Shielding effects and Coaxial Connectors
FD- TD Analysis of Coplanar Waveguide to Slotline . Transitions Accounting for Air- Bridge, Shielding effects and Coaxial Connectors P. Mezzanotte, G. Pompei, L. Roselli, R. Sorrentino Istituto di Elettronica, Universita di Perugia, Perugia, Italy Ph. +39-75-5852658, Fax +39-7s;'5852654 e-mail: sorrent@ipguniv.unipg.it Abstract The FDTD method is employed to analyze several types of Coplanar Wa