A Novel Linearizing Technique Using Dual Diode Based Linearizers for Lightweight Power Amplifiers T. KASHIWA, Y. OHNISHI, K. YAMAMOTO and H. OHSHIMA FURUNO ELECTRIC CO., LTD., 9-52 Ashihara-cho, Nishinomiya, Hyogo 662-8580, Japan Abstract -- A novel way to compensate the distortion of Power Amplifier(PA) modules is presented in this paper. A diode linearizer with an inductor is used to compensate

Design of Millimeter-wave Bandpass Filters with g/4 Short Stubs Using GaAs Surface Micromachining Myeong-Gil Lee1, Tae-Soon Yun1, Ki-Byoung Kim1, Dong-Hoon Shin2, Tae-Jong Baek2, and Jong-Chul Lee1 1 RFIC Center, Kwangwoon University, 447-1 Wolgye-dong, Nowon-ku, Seoul 139-701, Korea 2 Millimeter-wave Innovation Technology research center (MINT), Dongguk University, Pil-dong 3ga 26, Chung-ku, Seo

A radio over multimode system based on a LO phase-noise cancellation for 60-GHz WLAN C. Loyez, C. Lethien, N. Deparis, J.P. Vilcot, D. Decoster, N. Rolland and P.A. Rolland Institut d'Electronique, de Microélectronique et de Nanotechnologie UMR CNRS 8520 - DHS - USTL Cité Scientifique - Avenue Poincaré, BP 69 59652 Villeneuve d'Ascq Cedex ­ France E-Mail : Christophe.loyez-iemn.univ-lille1.fr ­ Fa

Synthesis and Design of a Manifold Triplexer Implemented in a Three Layer Rectangular H-Plane Waveguide. José R. Montejo-Garai(jr-etc.upm.es), Jorge Ruiz-Cruz, Jesús M. Rebollar Departamento de Electromagnetismo y Teoría de Circuitos, ETSI Telecomunicación. Universidad Politécnica de Madrid, Avenida Complutense S/N, 28040, Madrid, Spain. Abstract -- In this article, a new procedure for the design

A high accuracy calibration and receive instrument for TerraSAR-X ground calibration Rainer Lenz, Juan Pontes, Werner Wiesbeck Universität Karlsruhe (TH) Institut für Höchstfrequenztechnik und Elektronik Kaiserstrasse 12 76 131 Karlsruhe, Germany rainer.lenz-ihe.uka.de Abstract -- TerraSAR-X is a new earth observing satellite which will be launched in spring 2006. It carries a high resolution X-ba

Photoconductive switch applied to high power ultrawideband unipolar and bipolar electrical pulse generation B. Vergne1, V. Couderc1, A. Barthélémy1, M. Lalande2, V. Bertrand2 and D. Gontier3 1 2 IRCOM, 123 avenue Albert Thomas, 87060 Limoges, France 3 IRCOM / IUT GEII, 7 Rue Jules Vallès , 19100 Brive, France CEA, 91680 Bruyères-le-Châtel, France supplying. Then the generator can be positioned c

Application of FDTD/Kirchhoff Method for Radiation Pattern Calculation P. D'Atanasio1 , A. Zambotti1 , A. Moro1 and R. Casilli2 1 ENEA - Department of Materials and New Technologies, C. R. Casaccia, Via Anguillarese 301, I-00060 Santa Maria di Galeria (Roma), Italy, Phone: +39 06 30486226, E-Mail: paolo.datanasio-casaccia.enea.it Phone: +39 06 30486078, E-Mail: alessandro.zambotti-casaccia.enea.

Backscattering from a spatial random permittivity plate: a statistical approach G. Dauron1, M.F. Wong1, E. Richalot2, O. Picon2, J. Wiart1 1 France Télécom R&D, 38-40 rue du Général Leclerc, 92794 Issy les Moulineaux Cedex 9, France, +33145294444 2 ESYCOM/Univ. de Marne-la-Vallée, 5 blvd Descartes, 77454 Marne-la-Vallée Cedex 2 , France, +331609575000 (r, , ) is the spherical coordinates triplet.

An Antichaff Technique For Tracking Radar Saidi,H., Askari,G.H., Akhlaghi,J., Mirmohammad Sadeghi,H. Isfahan University of Technology, Information & Communication Technology Institute, 8415683111, Isfahan, Iran Tel: +983113912480 Abstract -- The critical interference in radar systems is unwanted echo named clutter. Some important clutter includes echoes from land, weather (particularly rain), sea

A Size-Reduced CPW Balun using a "X"-Crossing Structure *Jong-Sik Lim, **Dong-Joo Kim, ***Youg-Chae Jeong, and *Dal Ahn *Division of Information Technology Engineering, Soonchunhyang University, Rep. Of KOREA ** Ace Technology Inc., Rep. Of KOREA ***Division of Electronics and Information Engineering, Chonbuk National University, Rep. Of KOREA * Eupnae-ri, Shinchang-myeon, Asan, Chungnam, 336-745,