A method for using a piezoelectric transducer type tonpilz alternately as transmitter and receiver as a broadband piezoelectric transducers
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The invention relates to a method for using a piezoelectric transducer type Tonpilz alternately as a transmitter and as a broadband receiver and piezoelectric transducers for this application. A Tonpilz type transducer includes a stack 1 of piezoelectric plates of four couples separated by electrodes 5 which is interposed between a horn 2 and a counterweight 3. A transmitter 6 is connected between a horn 2 and a countermass 3. a transmitter 6 is connected by a conductor 10a to an electrode on both. A pair of pads 8a, adjacent to the counterweight is separated 8b other by an insulator 7. The two electrodes 5a, 5b which surround this group are connected in parallel to a receiver 9 and, through two diodes D1, D2 mounted in opposition on a common conductor 10b of grounding. One application is the construction of transmitting and receiving antennas sonar bandwidth. (CF DRAWING IN BOPI)