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    Piezo buzzer how to choose?

    Sources : | Release date : 2017-04-17 | View :
    Keywords : 碳酸钙行业用高效混合制粒机发展现状与特点
    1, drive mode, if unable to provide the frequency signal to the buzzer work, may consider using the drive circuit, given the DC voltage can be. Another sound, fast crosstalk, slow sound different sound signal.
    2, size, size will affect the frequency, small size frequency will be higher.
    3, the voltage size, calculated as V 0-P (1/2 square wave).
    4, the voltage size to square wave drive (V P-P), the higher the voltage, the higher the volume.
    5, Pin pitch, piezoelectric buzzer specifications are numerous, often difficult to find exactly the same specifications, you can pick the same pitch, the frequency of the trial


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