Insertion loss of magnetostatic surface wave delay lines |
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Authors: | Bajpai S.N. Carter R.L. Owens J.M. |
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Affiliation: | Dept. of Electr. Eng., State Univ., of New York, Stony Brook, NY; |
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Abstract: | An experimental and theoretical study is presented of the insertion loss of magnetostatic surface wave delay lines. The magnetostatic surface waves are excited by single microstrip transducer and propagate in a delay line consisting of conductor-dielectric-YIG-GGG. The effect of nonuniformity in microstrip current and the effect of finite width of YIG film are included in the theory. An undesired notch seen in the insertion-loss response of the surface-wave delay line in the low-frequency region of the band is explained by the present theory, which includes the finite width of the YIG film |
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