FIELD: physics.
SUBSTANCE: multichannel reflecting delay line on surface acoustic waves is made on a substrate of piezoelectric material, having an input transducer, reflecting elements with output contacts connected to an external load. The reflecting elements are in form of interdigital transducers. The input transducer consists of n separate identical interdigital transducers connected in parallel, each forming a separate acoustic channel. Reflecting elements are mounted in each acoustic channel on each side of the interdigital transducer. The reflecting elements in the acoustic channels on each side lie on one line and equidistant from the edges of the substrate. The output contacts of the reflecting elements are connected to a controllable load in form of an inductor, a capacitor or a resistor. The n separate identical interdigital transducers are arranged along a line having an angle of inclination α to the line of reflecting elements.
EFFECT: high reliability of receiving and processing an information signal, high technological effectiveness of assembly operations.
1 dwg
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