Impedance Matching between Signal Generator and Piezoelectric Transducer

Abstract:

In order to acquire enough energy, high power pulse must be used to drive a piezoelectric transducer. At the same time, it is a key technology to design an impedance matching circuit between a signal generator and a piezoelectric transducer so that signal source can transmit energy to the piezoelectric transducer effectively. In the paper, the impedance matching theory is analyzed. And, a method of using an oscilloscope to measure resonance frequency of the piezoelectric transducer is tested, through which, a perfect matching circuit is designed.

• Periodical: Advanced Materials Research (Volumes 472-475)
• Pages: 1488-1491
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.472-475.1488
• Online since: February 2012
• Authors: Zhen Jiang Tan, Ming Zhou
• Keywords: Impedance Matching, Oscilloscope, Piezoelectric Transducer, Resonance Frequency

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