Pulsed mode of operation of a piezoelectric transducer with a correcting RL circuit |
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Authors: | S. I. Konovalov A. G. Kuz’menko |
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Affiliation: | (1) St. Petersburg State Electrotechnical University, ul. Prof. Popova 5, St. Petersburg, 197376, Russia |
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Abstract: | The pulsed mode of operation of a water-loaded piezoelectric plate is considered. Parallel or series RL circuits are connected to the plate, while the latter is excited by a voltage source with internal resistance R i . The exciting pulse is preset in the form of a half-period of sinusoidal voltage with frequency equal to the antiresonance frequency of the plate. The optimal (from the point of view of obtaining the minimum duration of the emitted pulse) values of the parameters characterizing each of the emitting systems are calculated. Comparative estimates of the durations and amplitudes of emitted pulses are presented for all cases of using the RL circuits under study. |
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