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  • What are the two functions of the preamplifier of the piezoelectric sensor?

    * Question

    What are the two functions of the preamplifier of the piezoelectric sensor?


    *
    Answer

    The preamplifier of the piezoelectric sensor includes two functions: one is to amplify the weak electrical signal output by the sensor, and the other is to convert the high output impedance of the piezoelectric sensor into a low output impedance.


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