Technique for triple-transit suppression in surface-acoustic-wave delay lines

Technique for triple-transit suppression in surface-acoustic-wave delay lines

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A unique broadband technique for suppression of the triple-transit signal in a surface-acoustic-wave delay line is described. The scheme, which utilises two similar delay line channels differing only in the symmetry of the output transducers, suppresses triple-transit signals by a mechanism which is independent of frequency and may be used on low-as well as high-coupling substrates.


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