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Integrated Ferroelectrics
An International Journal
Volume 66, 2004 - Issue 1
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Original Articles

Tuneable Two-Pole One-Dielectric-Resonator Filter with Elliptic Characteristics

P. K. PETROV Centre for Physical Electronics and Materials London South Bank University, 103 Borough Road, London, UK, SE1 0AA
,
N. McN. ALFORD Centre for Physical Electronics and Materials London South Bank University, 103 Borough Road, London, UK, SE1 0AA
,
O. BUSLOV Saint Petersburg State Electrotechnical University, 5 Prof. Popov str., St. Petersburg, Russia, 197376
,
V. KEIS Saint Petersburg State Electrotechnical University, 5 Prof. Popov str., St. Petersburg, Russia, 197376
,
I. KOTELNIKOV Saint Petersburg State Electrotechnical University, 5 Prof. Popov str., St. Petersburg, Russia, 197376
,
P. KULIK Saint Petersburg State Electrotechnical University, 5 Prof. Popov str., St. Petersburg, Russia, 197376
&
A. KOZYREV Saint Petersburg State Electrotechnical University, 5 Prof. Popov str., St. Petersburg, Russia, 197376
 show all
Pages 261-266 | Received 01 Apr 2004, Accepted 01 May 2004, Published online: 12 Aug 2010
 
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Abstract

A frequency tuneable microwave filter based on a dual mode dielectric resonator has been developed. Tuning of the filter was realised by using metal plate located over the dielectric resonator and moved along the resonator axis by a piezoelectric bimorph. The main parameters of the filter were: central frequency in the middle of the range of tuning—2.35 GHz, bandwidth for 1dB level—∼ 0.5%, range of tuning—∼ 10%. The insertion losses in the whole tuning range were below ∼ 1 dB.

ACKNOWLEDGEMENTS

This work was financial supported by Framework V Programme (Project GRD1-2001-40547 “TUF”) and Engineering and Physical Sciences Research Consul (EPSRC).

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