NARROW LINE COUPLED STRIPLINE ELLIPTIC-FUNCTION USING F -FORM RESONATOR FOR TRANSMISSION FILTER ZEROS Tetsu Ohwada, Tamotsu Nishino, Moriyasu Miyazaki Information Technology R&D Center, Mitsubishi Electric Corporation, 5-1-1 ,Ofuna,Kamakura,Kanagawa,247 -8501, lAP AN Phone:+81-467-41-2532 Fax:+81-467-41-2519 baku -ant.isl.melco.co.jp ABSTRACT In portable telephone systems for mobile satellite

~PROVEMENTOFGLOBALPERFORMANCESOF BAND-PASS FILTERS USING NON-CONVENTIONNAL STEPPED IMPEDANCE RESONATORS S. Denis*, C. Person*, S. Toutain*, S. Vigneron**, B. Theron** (*) : LEST - UMR CNRS 6616 - ENST Br - BP 832 - 29285 BREST CEDEX - FRANCE Christian.Person-enst-bretagne.fr (**) : Alcatel Telecom - 26, Avenue IF. Champollion- BP1187 - 31037 TOULOUSE - FRANCE ABSTRACT In this paper, we propose

SWITCHED FILTER BANK INCORPORATING HTS FILTERS 2 D. C. Voyce 1, R. B. Greed 1 and R. G. Humphreys 1 GEC Marconi ResearchCentre, Great Baddow,Chelmsford,CN2 8HN,England. Tel. ++44 (0) 1245242628 Fax. ++44 (0) 1245242616 e-mail daniel.voyce-gecm.com. 2 DERA,Malvern, Worcestershire, WR14 3PS, England Abstract: A switched two channel filter bank incorporating high temperature superconductor (HTS)

IDGHL Y SELECTIVE MICROS TRIP BANDPASS FILTERS FOR HTS AND OTHER APPLICATIONS J.-S.Hong* , M.J.Lancaster*, R.B.Greed** and D.Jedarnzik*** * School of Electronic and Electrical Engineering, University of Binningham, Edgabaston, Binningham B 15 2IT, U.K., hongjs-eee.bham.ac.uk M.J .Lancaster-bham.ac.uk ** GEC-Marconi Research Centre, Great Baddow, Chelmsford, Essex CM2 8HN, U.K., robert. greed -gecm

1 1 Accelerated Simulation of Planar Circuits by Means of Wavelets Gerald Oberschmidt and Arne F. Jacob Institut fur Hochfrequenztechnik, Technische Universitat Braunschweig P.O. Box 3329, 38023 Braunschweig, FR Germany, Fax.: +49 531 391 5841, E-Mail: G.Oberschmidt-tu-bs.de.A.Jacob-tu-bs.de Abstract-A simple and computationally efficient method to a priori evaluate the magnitude of reactions in



A time domain hybrid method suitable for small antennas close to large scatterers F. Le Bolzer*, R. Gillard, J. Citerne Laboratoire Compos ants et Systemes pour Telecommunications, I.N.S.A. RENNES, C.N.R.S. V.P.R.E.S.A. 6075 20 avodes Buttes de Coesmes,35043 RENNES cedex, FRANCE Tel: +33 (0)299286507 Fax: +33 (0)299386248 E-mail: francoise.lebolzer-insa-rennes.fr V. Fouad Hanna, M. F. Wong France

FDTD MODELING AND ANALYSIS OF MICROSTRIP CIRCULATORS 1. Lenge, G. Steinwachs, I. Gieseke, D. Schulz UniversiUit Dortmund, Lehrstuhl fur Hochfrequenztechnik, Otto-Hahn-StraBe 6, D-44221 Dortmund, Germany lenge-hft.e-technik.uni-dortmund.de ABSTRACT A finite difference time domain (FDTD) simulation model for microwave circuits that includes ferrite loaded regions is applied to the analysis of circu

AN EFFICIENT FULL-WAVE ANALYSIS OF LOSSY TRANSMISSION LINES WITH ANISOTROPIC MEDIA Noriyuki Kariya, Yoshiaki Uematsu and Toshihide Kitazawa Department of Electrical & Electronic Engineering Ritsumeikan University, Noji-higashi 1-1-1, Kusatsu, 525 Japan Telephone/Fax +81-77-561-2870/+81-77-561-2663 kitazawa-se.ritsumei.ac.jp ABSTRACT An efficient full-wave analytical method is presented for the n

A NEW NONLINEAR NOISE MODEL FOR MESFET and HEMT MIXERS SUIT ABLE FOR CAD SOFTWARE F. DANNEVILLE* (!), S. FAN**, B TAMEN*, G. DAMBRINE* and A. CAPPY* * IEMN, UMR CNRS 9929, Cite Scientifique, Avenue Poincare- BP 69, 59652 Villeneuved' Ascq Cedex- France ** Hewlett-PackardCompany, HP EEsofDivision, 1400 Fountaingrove Parkway, MS 2USQ, Santa Rosa, California95403-1799,USA (!) present adress in HP EEs