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Advances in Condensed Matter Physics
Volume 2012 (2012), Article ID 286562, 10 pages
http://dx.doi.org/10.1155/2012/286562
Review Article

Microwave Magnetoelectric Devices

Institute of Electronic and Information Systems, Novgorod State University, B. S. Peterburgskaya Street 41, Veliky Novgorod 173003, Russia

Received 23 September 2011; Accepted 2 December 2011

Academic Editor: Vladimir Petrov

Copyright © 2012 A. S. Tatarenko and M. I. Bichurin. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Tunable microwave magnetoelectric devices based on layered ferrite-ferroelectric structures are described. The theory and experiment for attenuator, band-pass filter and phase shifter are presented. Tunability of the ME devices characteristics can be executed by application of an electric field. This electric tuning is relatively fast and is not power-consuming. The attenuator insertion losses vary from 26 dB to 2 dB at frequency 7251 MHz. The tuning range of 25 MHz of band-pass filter at frequency 7360 MHz was obtained. A maximum phase shift of 30–40 degree at the frequency region 6–9 GHz was obtained.