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Surface wave interdigital transducer and surface wave filter with symmetric or predeterminable asymmetric transfer characteristic between input and output
Surface wave interdigital transducer and surface wave filter with symmetric or predeterminable asymmetric transfer characteristic between input and output
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机译:在输入和输出之间具有对称或可确定的非对称传输特性的表面波叉指式换能器和表面波滤波器
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摘要
A surface acoustic wave interdigital transducer of a filter includes split finger electrodes in pairs. To achieve a desired transfer characteristic that is either symmetrical or deliberately asymmetrical, a number of the pairs of the split finger electrodes are replaced by single finger electrodes.
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