surface-acoustic-wave filter

surface-acoustic-wave filter

[′sər·fəs ə′kü·stik ′wāv ‚filtər]
(electronics)
An electric filter consisting of a piezoelectric bar with a polished surface along which surface acoustic waves can propagate, and on which are deposited metallic transducers, one of which is connected, via thermocompression-bonded leads, to the electric source, while the other drives the load.
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