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YIG ferrite magnetostatic wave cascaded resonators

A. CISMARU1,* , R. MARCELLI2

Affiliation

  1. IMT-Bucharest, 32 B Erou Iancu Nicolae, Bucharest, Romania
  2. CNR-IMM, Rome Section, Microwave Microsystems Group, Via del Fosso del Cavaliere 100, 00133 Rome, Italy

Abstract

In this paper is presented a microwave tunable band-stop resonators based on the combination of two cascaded magnetostatic wave (MSW) resonators, working at frequencies greater than 10 GHz (X-Band) in comparison with a single resonator. Measurements performed at different DC biasing magnetic fields demonstrate a tunability between 10 GHz and 17 GHz. The attenuation ranges between 20 and 25 dB at the central frequency domain (11 - 12 GHz and 13 - 16 GHz) and between 34 and 40 dB at the limits of the frequency domain (10 - 11 GHz … 16 - 17 GHz) showing a better attenuation for the two cascaded resonators in comparision with a single resonator..

Keywords

YIG-ferrite, Microwave, Resonators, Magnetostatic Waves.

Submitted at: Nov. 14, 2006
Accepted at: May 15, 2007

Citation

A. CISMARU, R. MARCELLI, YIG ferrite magnetostatic wave cascaded resonators, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 5, pp. 1505-1507 (2007)