A method to increase linearity and/or efficiency of power RF amplifier using a predistortion linearizer without tuning (patent pending) Carlo Buoli, Tommaso Turillo, Simone Fusi, Luca Oreste Erbisti Siemens Mobile Communications S.p.A, Strada Padana Superiore Km 158, 20060 Cassina de' Pecchi, Milano, Italy Phone: +39 02 9526 6896, Fax: +39 02 9526 6375, E-Mail: Carlo.Buoli-siemens.com Abstract --

Large Signal Circuit Model of Parallel-Plate Ferroelectric Varactors 1 Pär Rundqvist1, Andrei Vorobiev1, Spartak Gevorgian1,2 Department of Microelectronics, Chalmers University of Technology, SE-41296 Göteborg, Sweden +46(0)31-7721901 2 Microwave and High Speed Electronics Research Center Ericsson AB, SE-481 34 Mölndal, Sweden Abstract -- A simple method is proposed to measure the large signal

Some Important Aspects on the Design of Active Microwave Filters using Standard RF Silicon Process Technologies Robert Malmqvist1, Martin Hansson2, Carl Samuelsson1, Mattias Alfredson1 1 FOI Swedish Defence Research Agency, Dept. of Microwave Technology, 581 11 Linköping, Sweden, +46 13 378353 2 Linköping University, Dept. of Electrical Engineering, 581 83 Linköping, Sweden, +46 13 282859 II. TWO

On-chip Cooling of RFICs and MICs Wai Y. Liu1, Bal S. Virdee2 University of Michigan, Dept. of Electrical Engineering and Computer Science, 1301 BEAL, Ann Arbor, MI 48109-2122,USA. 2 London Metropolitan University, Dept. of Computing, Communications Technology & Mathematics, 166-220 Holloway Road, London N7 8DB, UK. 1 Abstract -- This paper reports a polymer micro-heatpipe technology suitable for

A 1-Watt Ku-band Power Amplifier MMIC using Cost-effective Organic SMD Package A. Bessemoulin1, M. Parisot1, P. Quentin1, C. Saboureau2, M. van Heijningen3, J. Priday4 1 United Monolithic Semiconductors S.A.S, route départementale 128 ­ BP46, F-91401 Orsay Cedex ­ France 2 IRCOM CNRS-UMR 66-15, 123 avenue Albert Thomas, F-87100 Limoges, France 3 TNO Physic and Electronic Laboratory, Oude Waalsdor

Novel Broadband Coupler for Detection of RF Signals in Microwave Systems A. S. Virdee1, B. S. Virdee2 2 Filtronic Components Limited, 8 Vincent Avenue, Crownhill, Milton Keynes, U.K. London Metropolitan University, Dept. of Computing, Communications Technology & Mathematics, 166-220 Holloway Road, London N7 8DB, U.K. 1 Abstract -- This paper reports the results of a novel miniature broadband re

LTCC transition and embedded bandpass filter for LMDS applications Emmanuel Picard1, Valérie Madrangeas1, Dominique Cros1, Pascal Dominique Boivin2 1 IRCOM-UMR CNRS n°6615, 87000 Limoges, France 2 THALES Communications with 8 layers. On layer 1, there is a transition (T) of a coplanar line (width 250 µm, gap 275 µm) to a microstrip line and a ground plane. This line is connected to a embedded st

A Novel Band-Selective DGS Configuration and Its Application to Design of 5.8GHz Oscillator Myeong-Sub Jung, Jun-Seok Park, Jae-Bong Lim, and Hong-Goo Cho School of Electrical Engineering, Kookmin Univ. 861-1, Chongnung-dong, Songbuk-gu, Seoul, 136-702 Korea Phone No. : +82-2-910-4829, e-mail : jspark-kookmin.ac.kr Abstract -- In this paper, a novel DGS(Defected Ground Structure) of band-selecting

Cavity Perturbation Method for Characterization of Liquid Crystals up to 35 GHz Andreas Penirschke1, Stefan M¨ ller1 , Patrick Scheele1, Carsten Weil2 , u Michael Wittek3 , Christian Hock3, and Rolf Jakoby1 1 Technische Universit¨ t Darmstadt, Institut f¨ r Hochfrequenztechnik, Merckstr. 25, 64283 Darmstadt, Germany a u 2 AFT GmbH, Spinnerei 44, 71522 Backnang, Germany 3 Merck KgaA, 64293 Darmsta

Direct QAM Modulation Using a Class E Amplifier Thorsten Brabetz , Vincent F. Fusco ¡ Queen's University Belfast, Electrical & Electronic Eng., Ashby Building, Stranmillis Road, Belfast, BT9 5AH, United Kingdom, E-mail: v.fusco-ee.qub.ac.uk Abstract-- A class E amplifier's ability to accurately represent abrupt phase and amplitude transitions of the input signal at its output port is investigate