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Large-signal impedance measurements of piezoelectric ultrasonic transducers

    • Xi'an Jiaotong-Liverpool University

    Research output: Chapter in Book or Report/Conference proceedingConference Proceedingpeer-review

    2 Citations (Scopus)

    Abstract

    This paper reports the use of large-signal impedance measurements to study the behaviour of piezoelectric ultrasonic transducers (PUTs). The method requires only ordinary laboratory equipment including a signal generator, a digital oscilloscope together with a high frequency transformer. Equivalent circuit model parameters are extracted from the impedance measurement data of for investigating the device characteristics of the PUT. Such useful model parameter extraction is not possible from impedance measurements using even a sophistical LCR meter which is for small-signal impedance measurements. This low-cost and simple impedance measurement method is attractive for allowing even undergraduate students to perform research-related experiments.

    Original languageEnglish
    Title of host publication2015 IEEE 12th International Conference on Electronic Measurement and Instruments, ICEMI 2015
    EditorsCui Jianping, Wu Juan
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages731-736
    Number of pages6
    ISBN (Electronic)9781479976195
    DOIs
    Publication statusPublished - 16 Jun 2016
    Event12th IEEE International Conference on Electronic Measurement and Instruments, ICEMI 2015 - Qingdao, China
    Duration: 16 Jul 201518 Jul 2015

    Publication series

    Name2015 IEEE 12th International Conference on Electronic Measurement and Instruments, ICEMI 2015
    Volume2

    Conference

    Conference12th IEEE International Conference on Electronic Measurement and Instruments, ICEMI 2015
    Country/TerritoryChina
    CityQingdao
    Period16/07/1518/07/15

    Keywords

    • equivalent circuit modeling
    • impedance measurement
    • large-signal measurement
    • piezoelectric ultrasonic transducer

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