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Input electrical impedance and efficiency of ultrasonic transducers with phased excitation of two piezoelectric plates

  • Acoustic Methods
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Abstract

The type of changes in the total input conduction and its active and reactive components has been analyzed for an ultrasonic transducer with two independent piezoelectric plates separated by a dielectric layer as compared with the case of in-phase excitation of the transducer. Results of calculating the efficiency are considered for different transducer designs in accordance with a synthesisproblem solution that ensures a uniform amplitude-frequency response and a linear phase-frequency characteristic of emission.

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Authors and Affiliations

  1. St. Petersburg Electrotechnical University “LETI”, St. Petersburg, 197376, Russia

    N. A. Bystrova & B. G. Stepanov

Authors
  1. N. A. Bystrova
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  2. B. G. Stepanov
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Correspondence to N. A. Bystrova.

Additional information

Original Russian Text © N.A. Bystrova, B.G. Stepanov, 2017, published in Defektoskopiya, 2017, No. 3, pp. 3–11.

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Bystrova, N.A., Stepanov, B.G. Input electrical impedance and efficiency of ultrasonic transducers with phased excitation of two piezoelectric plates. Russ J Nondestruct Test 53, 167–174 (2017). https://doi.org/10.1134/S1061830917030032

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  • DOI: https://doi.org/10.1134/S1061830917030032

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