Knowledge Centre
Find a document written by the best international scientists in our secure database.
24776 documents found.
Design and performance of SAW microstrip antenna-duplexers for mobile phones in the UHF -band
Design and performance of SAW microstrip antenna-duplexers for mobile phones in the UHF -band K Weigenthaler*, R Dill**, I Schropp***, R Weigel* *Technische UniversWit Miinchen, Lehrstuhl fiir Hochfrequenztechnik, Arcisstr 21, D-80290 Miinchen, Germany. "Siemens AG Miinchen, Corporate Research and Development, Otto-Hahn-Ring 6, D-81739 Miinchen, Germany. ***Siemens Matsushita Components, OFW E, Ba
Advanced MMIC technology for the next generation-3D MMICs and master-slice technology
Advanced MMIC technology for the next generation-3D MMICs and master-slice technology Masayoshi Aikawa, Tsuneo Tokumitsu and Kenjiro Nishikawa. NIT Wireless Systems Laboratories, 1-2356 Take, Yokosuka-shi, 238-03 Japan. Tel: +81-468-59-3464 Fax: +81-468-59-4254 E-mail: aikawa@mhosun.wslab.ntt.jp Abstract As an advanced microwave and millimeter-wave band technology, this paper introduces "Three-Dim
InP-based microwave/millimeterwave technology for military and commercial markets
InP-based microwave/millimeterwave technology for military and commercial markets Paul T Greiling Hughes Research Laboratory, 3011 Malibu Canyon Road, Malibu, CA 90265. Abstract InP-based device technology has superior microwave/ millimeterwave performance for low noise, high efficiency power and high speed digital/ analog applications. Presently InP-based devices are being utilized in communicati
Physical and electrical modelling of discrete devices for the design and the optimization of microwave monolithic integrated circuits
Physical and electrical modelling of discrete devices for the design and the optimization of microwave monolithic integrated circuits G Salmer Institut d'Electronique et de Microelectronique du Nord, UMR CNRS 9929, Universite des Sciences et Technologies de Lille, Cite Scientifiql!e, Avenue Poincare, BP 69, 59652 Villeneuve d' Ascq Cedex, France. Abstract The design of microwave monolithic integra
Analysis of the suspended strip in elliptical cross-section by separation of variables
Analysis of the suspended strip in elliptical cross-section by separation of variables Tullio Rozzi, Luca Pierantoni and Marco Ronzitti. Dipartimento di Elettronica ed Automatica, Universita degli Studi di Ancona, Via delle Breece Bianche, 60131 Ancona, Italy. E-Mail: lucaptn@sirio.em.ee.unian.it. Fax +39 71 2804334. Abstract The coaxial suspended strip configuration in elliptical cross-section is
A novel analysis for eigenvalues of a dielectric disk resonator with a high dielectric constant
A novel analysis for eigenvalues of a dielectric disk resonator with a high dielectric constant Y.Tomabechi*, Y.Kogami** and K.Matsumura** *Faculty of Education, Utsunomiya University ** Faculty of Engineering, Utsunomiya University *Mine-machi 350, **Ishii-machi 2,753, Utsunomiya, 321, JAPAN * Tel. and Fax +8128 649 5326, E-mail;yoshirot@cc.utsunomiya-u.ac.jp ** Tel. and Fax +81 28 689 3741, E-ma
Power series solution of Maxwell's equations of arbitrary shaped hollow waveguides
Power series solution of Maxwell's equations of arbitrary shaped hollow waveguides A Morini and T Rozzi. Dipartimento di Elettronica ed Automatica, Universita di Ancona, Via Breece Bianche, 60131 Ancona, Italy. Abstract Maxwell's equations for hollow metallic waveguides of arbitrary shape are solved by the power series method. The above technique is very flexible in application and permits to reco
Analysis of inhomogeneous broadband circulators by means of a mixed numerical method
Analysis of inhomogeneous broadband circulators by means of a mixed numerical method Giuseppe Macchiarella*, Gian Guido Gentili**, Alberto Lobina*** *Dipartimento di Elettronica del Politecnico di Milano, Piazza Leonardo da Vinci, 32 20133 Milano, Italy. (e-mail: macchiar@elet.polimi.it) **Centro Studi per Ie Telecomunicazioni Spaziali del CNR, Dipartimento di Elettronica del Politecnico di Milano
Extinction of lossy conductors and its effect on the resonant characteristics of strip-patch resonators
Extinction of lossy conductors and its effect on the resonant characteristics of strip-patch resonators Mikio Tsuji, Shuji Yamato and Hiroshi Shigesawa Department of Electronics, Doshisha University, Tanabe, Kyoto, 61003 Japan Tel: +81-774656358, Fax:+81-774 656824 e-mail: mtsuji@duaic.doshisha.ac.jp Abstract We report here for the first time the effect of lossy conductor with finite thickness on
Characterization of microstrip line with a trapezoidal dielectric ridge in multilayered media
Characterization of micros trip line with a trapezoidal dielectric ridge in multilayered media Keren Li and Kazuhiko Atsuki Department of Electronic Engineering, The University of Electro-communications, 1-5-1 Chofugaoka, Chofu-shi, Tokyo 182, Japan TellFax. +81-424-81-5713 (dial in) E-mail Address:keren@light.ee.uec.ac.jp Abstract In this paper, we present an analysis of microstrip line with a tr