Application of a Novel Active Envelope Load Pull Architecture in Large Signal Device Characterization Tudor Williams, Johannes Benedikt and Paul J. Tasker School of Engineering, Cardiff University, Cardiff CF24 3TF Tel: +44 2920 876347, e-mail: williamst5-cf.ac.uk Abstract -- This paper presents the large signal characterization of an on-wafer PHEMT device using a novel closed loop active envelope

High Performance CPW Embedded Passive Components Using Photoimageable Thick Film Technology K. K. Samanta and I. D. Robertson Institute of Microwaves and Photonics, School of Electronic and Electrical Engineering, University of Leeds, Leeds, LS2 9JT, UK, Tel. +44 (0)113 343 7076, Fax +44 (0)113 343 7265 Abstract -- This paper presents the characterisation and modelling of ceramic-based multilayer

50W L-Band and 25W Ku-Band SSPA for European Space programs N. Le Gallou1, M. Ludwig1, C. Mavrocordatos1, L. Balestra1, A. Battisti2, P. Regan3, R. Weston3, D. Seymour3, A. Darbandi4, F. Lavielle4, J. Y. Touchais4 European Space Agency (ESA/ESTEC) Keplerlaan 1, 2200 AG Noordwijk, The Netherlands 2 Galileo Avionica SpA Via Montefeltro, 8. 20156 Milano, Italy 3 EADS-Astrium, Gunnels Wood Road, Steve

A 310° K-Band Phaseshifter using tunable BaSrTiO3 interdigitated capacitors G. Vélu(1), K. Blary(2), L. Burgnies(1), J.C. Carru(1), E. Delos(2), A. Marteau(2), D. Lippens(2) (1)LEMCEL, Université du Littoral-Côte d'Opale, 50 Rue F. Buisson, BP 717, 62228-Calais cedex (France) Tél : 33 (0)321465783 Fax : 33 (0)321465778 E-mail : carru-univ-littoral.fr (2)IEMN-DHS, Groupe DOME, Université de Lille1,

Electromagnetic Waves Scattering on Slot Systems in Rectangular Waveguides with Arbitrary Loads Blinova N.K., Yatsuk L.P. Karazin Kharkov National University, Radio physical department, Svobody Sq. 4, Kharkov, 61077, Ukraine, phone: +38057 7075548 Abstract -- The work deals with investigation of electromagnetic waves scattering on the slot systems in rectangular waveguides with arbitrary end loads

High Rejection Planar Diplexer on Liquid Crystal Polymer Substrates Using Oversizing Techniques Alexandre Manchec1, Ramanan Bairavasubramanian2, Cédric Quendo1, Stéphane Pinel2, Eric Rius1, Christian Person1, Jean François Favennec1, John Papapolymerou2, Joy Laskar2 2 1 LEST - UMR CNRS n°6165 ­ CS 93837 - 29238 Brest Cedex 3 ­ France Georgia Electronic Design Center, Georgia Institute of Technolog

Calculations for the Measure of the Achievable Phase Noise Reduction by the Utilization of Optimized Multiloop Opto-Electronic Oscillators Tamás Bánky1, Bálint Horváth1, Tibor Berceli1 1 Budapest University of Technology and Economics, Department of Broadband Infocommunications and Electromagnetic Theory, Goldmann Gy. Ter. 3, 1111 Budapest, Hungary, +36-1-463-3684 Abstract -- This paper is conce

CHARACTERISATION OF AN EXPERIMENTAL GALLIUM NITRIDE MICROWAVE DOHERTY AMPLIFIER Jonathan Lees1, Johannes Benedikt1, Keith P Hilton2, Jeff Powell2, Richard S Balmer2, Michael J Uren2, Trevor Martin2 and Paul J. Tasker1 1 Dept of Electrical and Electronic Engineering, Cardiff School of Engineering, Cardiff University, The Parade, Cardiff, CF24 3TF, Wales, UK. 2 QinetiQ Ltd, Malvern, Worcestershire

A C-Band High Efficiency Second Harmonic Tuned Hybrid Power Amplifier in GaN technology P. Colantonio1, F. Giannini1, R. Giofrè1, E. Limiti1, A. Serino1 M. Peroni2, P. Romanini2, C. Proietti2 1 University of Rome "Tor Vergata", Department of Electronic Engineering, via del Politecnico n°1, 00133 Rome, Italy,+390672597346 2 Selex Sistemi Integrati s.p.a., via Tiburtina Km 12,400, 00131 Rome, Italy

Design of large mm-wave beam-scanning reflectarrays Benedetta Mencagli, Roberto Vincenti Gatti, Luca Marcaccioli, Roberto Sorrentino University of Perugia, Dept. Electronic and Information Engineering, Perugia, via G. Duranti 93, 06125, Italy Abstract ­ Beam scanning reflectarrays represent an attractive alternative to MMIC-based phased array antennas, particularly at mm-wave frequencies, thanks t