A Comparison Between Two CG-FFT Formulations for the Analysis of Volumetric Double Periodic Lossy Structures Javier Corral, José Basterrechea Dpto. Ingeniería de Comunicaciones. ETSIIT. Universidad de Cantabria Avda. Los Castros s/n. 39005. Santander. Cantabria. SPAIN jose-gsr.unican.es Abstract - In this work a comparison between two formulations of the Conjugate Gradient Fast Fourier Transform

NUMERICAL INVESTIGATION OF FLIP CHIP CONNECTIONS USING FDTD SIMULATIONS J. Piotr Starski1 and Janusz Rudnicki2 1 Chalmers University of Technology Microwave Electronics 412 96 Göteborg Sweden Email: piotr-ep.chalmers.se 2 Instytut Radioelektroniki Politechnika Warszawska Nowowiejska 15/19 00-665 Warszawa, Poland Email: jrudnick-elka.pw.edu.pl Abstract In this paper we present computer simulat

Resonant Frequency of Slotted Ring Resonator Dariush Mirshekar-Syahkal, Y C Mark Lim, and Reza F Mostafavi University of Essex, Colchester, UK dariush-essex.ac.uk ycmlim-essex.ac.uk mos-essex.ac.uk Abstract - The slotted ring resonator has some promising features for the realisation of compact microwave filters. For the first time, using the finite difference technique and conformal mapping meth

On the transformation of modal bases in rectangular waveguide A. Morini, T. Rozzi, L. Zappelli, A. Angeloni Dipartimento di Elettronica ed Automatica, Università di Ancona Via Brecce Bianche, I-60131 Ancona, Italy e-mail a.morini-ee.unian.it Abstract- The excitation of hybrid modes by discontinuities in rectangular waveguide can often be decomposed into separate LSE/LSM or TE/TM mechanisms, so tha

New Space Leaky Wave Spectrum Components on the Slotline Ján Zehentner, Jan Machác Czech Technical University, Technická 2, 16627 Prague 6, Czech Republic Tel +420 2 24352273, Fax +420 2 24355865, E-mail zeh-mbox.cesnet.cz Abstract - Surface and space leakage of power deteriorates the operation of circuits. On the other hand space leaky waves enable the design of specific radiators. In this paper

Numerical Investigation of Micromachined Structures for Thin Layers Larissa Vietzorreck and Peter Russer Lehrstuhl für Hochfrequenztechnik Technische Universität München, Germany eMail: vietzorreck-ei.tum.de Abstract ­ In the present paper we analyze numerically the high-frequency behavior of different micromachined structures including MEMS. One special feature of micromachined structures is th

An Impedance Matching System Using a Line Loaded by Capacitors and Power Detectors 1,2 R. N. de Lima, 1B. Huyart, 1E. Bergeault, 1L.Jallet 1 ENST, Paris, France 2 UFBA, Salvador, Brazil delima-com.enst.fr, huyart-com.enst.fr Abstract - This paper describes a MMIC impedance matching system capable of correcting load mismatches of to up 5:1 a better than 2:1 VSWR. This system consists of a thr

Intermodulation Distortion Analysis of FET Mixers under Multitone Excitation J. Angel García*, M. L. De la Fuente**, J. M. Zamanillo**, A. Mediavilla**, A. Tazón**, J. Carlos Pedro***, N. B. Carvalho*** *TTI Norte S. L., Santander, SPAIN. **Univ. de Cantabria, Santander, SPAIN. ***Inst. de Telecomunicações, Aveiro, PORTUGAL jangel-ieee.org Abstract.- This paper presents an extension of the time-va

Detecting IMD Sweet Spots in LDMOS Devices through an Accurate Nonlinear Characterization P. J. González, L. F. Herrán, J. A. García, T. Fernández0, A. Tazón0, A. Mediavilla0 and J. L. García0 ACORDE, Santander, Spain, TTI Norte, Santander, Spain, DICOM, Universidad de Cantabria, Spain, pedroj-dicom.unican.es 0 Abstract.The existence of small signal intermodulation distortion (IMD) "sweet spots"

6ROLG 6WDWH /LQHDUL]HUV )RU 6DWHOOLWH 7:7V P.Ranieri, A.Suriani Alenia Spazio S.p.A. -Via Saccomuro 24, 00131 Rome, Italy phone: 39-06-4151.2489 - fax: 39-06-4151.2507 - email a.suriani-roma.alespazio.it $EVWUDFW 7KLV SDSHU GHVFULEHV WKH GHVLJQ DQG GHYHORSPHQW RI VROLG VWDWH 7:7$ OLQHDUL]HUV IRU .X DQG .D EDQG VDWHOOLWH SD\ORDGV 7ZR GLVWLQFW DSSURDFKHV WR WKH GHVLJQ RI OLQHDUL]HUV DUH SUHVHQWHG DO