Abstract
This paper deals with basic experiments on achieving the high resonance quality factor of a piezoelectric vibrator by applying negative elements of the negative impedance converter (NIC) circuit. Based upon the method described here, the experiments have proven that the resonance quality factor of a piezoelectric ceramic vibrator could be increased by about 50 times, and moreover, in proportion to becomes the increase of the resonance quality factor, the measured displacement of the vibrator large.
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