New design approach for high-order recursive filter using MMIC technology M Delmond, L Billonnet B Jarry, P GuiDon I.R.C.O.M.,Universite de Limoges, 123,AvenueAlbert Thomas, 87060 Limoges Cedex, France. Abstract A new design approach for high-order active recursive filters is presented in this paper. The methodology is based upon a multi-cellular approach. Transfer functions of such filters result

Subharmonically drain pumped wideband lumped and distributed microwave MESFET mixers A H Darsinooieh, 0 Palamutcuoglu Faculty of Electrical and Electronics Engineering, Istanbul Technical University, Ayazaga Kampiisii, Istanbul, Tiirkiye Abstract The nonlinear analysis of subharmonically drain pumped lumped and distributed MESFET mixers have been performed to find the optimum operation conditions.

Low cross-polarized integrated mixer/ phase shifter patch antenna for beamforming applications S Gupta, V F Fusco High Frequency Electronics Laboratory, Department of Electrical and Electronic Engineering, The Queen's University of Belfast, Ashby Building, Stranmillis Road, Belfast, BT9 5AH, United Kingdom Tel: +44 +(0)1232245133 Fax: +44 +(0)1232 667023 Abstract This paper describes . a demonstr

Analog phase shifter structure for recursive and transversal filter design using MMIC technology A Cenae, L Billonnet B Jarry, P Gullion IRCOM, Universite de Limoges, 123 Avenue Albert Thomas, 87060 Limoges Cedex, France. Abstract In this article, we design a lossless analog transmission type phase shifter using a novel and original optimization approach in MMIC technology. The selected phase shif

Microwave performance of GaInAs/AIInAsHEMTs grown on optical waveguide layers for high-bit rate optical receivers G G Mekonnen, W Schlaak, W Passenberg, A Umbach, C Schramm, A Seeger, H-G Bach Heinrich-Hertz-Institut fur Nachrichtentechnik Berlin GmbH, Einsteinufer 37, D-10587 Berlin, Germany, Tel: +493031002285 e-mail: mekonnen-hhLde Abstract We report on the fabrication and characterization of A

Comparison of different carrier transport models for simulations of Wand D-band GaAs IMPATT diodes M Curow, D Liebig, K Schiinemann Technische Universitat Hamburg-Harburg, Arbeitsbereich, Hochfrequenztechnik, Wallgraben 55, D-21073 Hamburg, Germany. Abstract This contribution presents a comparison of different carrier transport models for design and optimization of GaAs IMPATT diodes for W- and D-

Nonlinear modelling of dispersive photo diodes based on frequency-and time-domain measurements A Stolze, G Kompa Department of High Frequency Engineering, University of Kassel, Wilhelmshoeher Allee 73, 34121 Kassel. Abstract This paper presents a concept for the nonlinear modelling of dispersive photo diodes. Different devices such as MSM-, PIN-, and avalanche photodiodes can be described by the s

Modelling and measurement of picosecond transients on nonlinear transmission lines P Heymann, T Langer, H Prinzler* T Pfeifer, T LOmer** *Ferdinand-Braun-Institut fur Hochstfrequenztechnik Berlint Rudower Chaussee 5t D-12489 Berlint Germany. Tel +49 30 6392 2643 Fax +49 30 6392 2642 **Institut fur Halbleitertechnik lIt RWTH Aachen, SommerfeldstraBe 24, D-52056 Aachent Germany. Abstract A time-doma

A neural network characterization HEMT Kazuo Shirakawa, Naofumi Okubo Fujitsu Laboratories Ltd. 1015 Kamikodanaka, Nakahara- ku, Kawasaki 211, Japan Tel: +81-44-754-2647 Fax: +81-44-754-2646 E-mail: nato-flab.fujitsu.co.jp Abstract We report a new approach to describe the bias-dependent behavior of a HEMT by using a neural network, whose inputs are gate-to-source (Vgs) and gate-to-drain bias volta

Study of mm-range electromagnetic radiation effects on biological systems as a basis of the EHF therapeutic equipment and its clinical employment L Ryzhkova, A Sazonov St.Petersburg Electrotechnical University, Prof Popov str 5, 197376, St Petersburg, Russia. Tel: (7) 812 234 96 72 e-mail: public-mit.etu.spb.ru Abstract The results of long-term investigations of the mm-wave effects on nervous syst