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Multilayer MMIC for stacked integrated circuits
Multilayer MMIC for stacked integrated circuits Toshikazu Imaoka* Akira Minakawa ** Nobuaki Imai* ATR Optical and Radio Communications Research Laboratories Currently, * ATR Adaptive Communications Research Laboratories, 2-2 Hikari-dai, Seika-cho, Souraku-gun, Kyoto 619-02, Japan. TEL.: +81-774-95-1566; FAX.: +81-774-951508; E-mail: imaoka@acr.atr.co.jp ** NTT Wireless Systems Laboratories, 1-2356
Characterization of leaky wave antenna and active gain enhancement
Characterization of leaky wave antenna and active gain enhancement Min Chen, Howard Z. Chang, Bijan Houshmand*, and Tatsuo Itoh Department of Electrical Engineering, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, CA 90095, USA *Jet Propulsion Laboratory, Pasadena, CA 91109, USA Abstract The leaky wave antenna has been characterized using the 3-D FDTD method, and its employ
Novel broadband slot antenna with low cross- polarization
Novel broadband slot antenna with low cross- polarization Xueru Ding and Arne F. Jacob Institut fur Hochfrequenztechnik, Technische UniversWit Braunschweig Postfach 3329, D-38023 Braunschweig, Germany Tel. +49-531-3912497, Fax: +49-531-3915841, e-mail: x.ding@tu-bs.de Dedicated to Professor Dr. -Ing. Dr. -Ing. E.h. multo Dr. rer. nat. h.c. Hans-Georg Unger on the occasion of his 70th birthday Abst
New printed antenna with circular polarization
New printed antenna with circular polarization A. Nesic, I. Radnovic, M. Mikavica, S. Dragas and M. Marjanovic Institute of Microwave Techniques and Electronics, Lenjinov bulevar 165 b, 11070 Belgrade, Yugoslavia Tel.: +381 11 222 1215 Fax: +381 11138 928 E-Mail: aca@imtel.co.yu Abstract A new type of printed antenna element, as well as of array of elements with circular polarization is shown in t
Integrated active antennas with simultaneous transmit-receive operation
Integrated active antennas with simultaneous transmit-receive operation M. J. Cryan, P. S. Hall, K. S. H. Tsang and J. Sha School of Electronic and Electrical Engineering, The University of Birmingham, Edgbaston, Birmingham, B15 2TI, U.K. EmaH: cryanmj@eee.bham.ac.uk Abstract This paper discusses two novel active integrated antennas with same frequency transmit-receive operation. Firstly, results
Combined spatial and spectral techniques for the analysis of microstrip antennas
Combined spatial and spectral techniques for the analysis of microstrip antennas G Vecchi, P Pirinoli, L Matekovits, M Sereno-Garino and M Orefice Politecnico di Torino, Dip. di Elettronica, 110129 Torino, Italy Abstract In this paper techniques are presented, that permit an efficient full-wave analysis of printed structures with metalization of arbitrary shape, based on the electric field integra
Efficient numerical optimisation of nonlinear microwave circuits by the harmonic-balance technique coupled with electromagnetic simulation
Efficient numerical optimisation of nonlinear microwave circuits by the harmonic-balance technique coupled with electromagnetic simulation Vittorio Rizzoli *, AIessandra Costanzo *, Mauro Caposciutti *, and Andrea Neri ** * Dipartimento di Elettronica, Informatica e Sistemistica, University of Bologna, Villa Griffone, 40044 Pontecchio Marconi, Bologna, Italy ** Fondazione Ugo Bordoni, Villa Griff
Non-linear frequency-domain analysis of microwave circuits through rational functions modelling
Non-linear frequency-domain analysis of microwave circuits through rationalfunctions modelling Franco Giannini, Giorgio Leuzzi, Ernesto Limiti, Lucio Scucchia Dipartimento di Ingegneria Elettronica, Universita di Roma "Tor Vergata" Via della Ricerca Scientifica 00133 Roma - Italy Abstract A non-linear frequency-domain analysis method for microwave circuits has been implemented and an efficient alg
A modulation-oriented piecewise harmonic-balance technique suitable for transient analysis and digitally modulated signals
A modulation-oriented piecewise harmonic-balance technique suitable for transient analysis and digitally modulated signals Vittorio Rizzoli *,Andrea Neri **, and Franco Mastri *** * Dipartimento di Elettronica, Informatica e Sistemistica, University of Bologna, Villa Griffone, 40044 Pontecchio Marconi, Bologna, Italy ** Fondazione Ugo Bordoni, Villa Griffone, 40044 Pontecchio Marconi, Bologna, Ita
Non-linear time domain modelling of oscillators
Non-linear.time oscillators M I Sobhy, MWRNg and EI-Sayed A Bakkar domain modelling of The Electronic Engineering Laboratory, The University of Kent at Canterbury, Canterbury, Kent, CTI 7NT, U.K. Tel. +44 1227 823236 Fax. +44 1227 456084 Abstract This paper describes non-linear modelling of oscillators from time domain measurement. Non-linear time domain transfer functions are used to model both