Community Research and Development Information Service - CORDIS


TUF Report Summary

Project ID: G1RD-CT-2002-00741
Funded under: FP5-GROWTH
Country: United Kingdom

Piezoelectric tuning of dielectric resonator filters

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 2.35GHz, bandwidth for 1dB level 0.5%, range of tuning 10%. The insertion losses in the whole tuning range were below 1dB.

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Imperial College London
Exhibition Road
SW7 2AZ London
United Kingdom
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