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Frequency-tunable microwave dielectric resonator

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4 Author(s)
Poplavko, Y.M. ; Fac. of Electron., Nat. Tech. Univ., Kiev, Ukraine ; Prokopenko, Yu.V. ; Molchanov, V.I. ; Dogan, A.

A new type of tunable composite dielectric resonator (DR) has been designed, In the structure of this DR, a controllable insert was used to change the resonance frequency (f0) in a wide spectral range, while preserving a high quality factor. The simplest of proposed resonance systems for obtaining f0 control is a microwave DR crossed by an air slot, which is controlled by fast piezoelectric actuator. Analytical and experimental techniques were employed for optimization of the composite DR structure. It has been observed that this device can create a change up to 20%-25% in its resonance frequency

Published in:

Microwave Theory and Techniques, IEEE Transactions on  (Volume:49 ,  Issue: 6 )

Date of Publication:

Jun 2001

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