Unidirectional transducer and saw filter comprising the same

作者: Tatsuya Tsuruoka , Yasufumi Horio , Kenji Suzuki

DOI:

关键词: TransducerMaterials scienceElectrical engineeringElectronic filterElectrodeCenter (group theory)AcousticsSurface acoustic wave

摘要: A unidirectional transducer for a SAW filter having first group (D) including electrode finger ( 21 ) and fingers 14 16 arranged at center distances of 3λ/8 5λ/8 in direction opposite to the propagation surface acoustic wave from ); second (E) 22 ), 15 20 10λ/8, 13λ/8 15λ/8 third (F) 17 18 19 3λ/8, 7λ/8 ).

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