FIELD: radio engineering.
SUBSTANCE: device consists of acoustic duct, which is installed in leak-tight casing and on which in one acoustic channel the receiver-transmitter interdigital transducer (IDT) and reflecting IDT, with split dowels, top block terminals of these IDT are connected with common bus bar, and top block terminals have separate bus bars, between reflecting IDT there are wave ducts, which are connected to bus bars with ties.
EFFECT: availability of fuses, which close reflecting interdigital transducers.
1 dwg
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