ArticleSensors (Basel, Switzerland)2017
The Effect of Electrical Impedance Matching on the Electromechanical Characteristics of Sandwiched Piezoelectric Ultrasonic Transducers.
Article in Sensors (Basel, Switzerland), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Article
- Review of the design of power ultrasonic generator for piezoelectric transducer.Ultrasonics sonochemistry · 2023Review
- A Simple Approach to Connecting Pt100 by Utilizing an Electroacoustic Resonance Tube.Sensors (Basel, Switzerland) · 2023Article
- Analytical and Experimental Investigation of a Curved Piezoelectric Energy Harvester.Sensors (Basel, Switzerland) · 2022Article
- Piezoelectric MEMS Acoustic Transducer with Electrically-Tunable Resonant Frequency.Micromachines · 2022Article
- Overview of Ultrasound Detection Technologies for Photoacoustic Imaging.Micromachines · 2020Review
- A Simplified Analysis Method for the Piezo Jet Dispenser with a Diamond Amplifier.Sensors (Basel, Switzerland) · 2018Article
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Authors and funding
4 authors.
Funding
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Abstract
For achieving the power maximum transmission, the electrical impedance matching (EIM) for piezoelectric ultrasonic transducers is highly required. In this paper, the effect of EIM networks on the electromechanical characteristics of sandwiched piezoelectric ultrasonic transducers is investigated in time and frequency domains, based on the PSpice model of single sandwiched piezoelectric ultrasonic transducer. The above-mentioned EIM networks include, series capacitance and parallel inductance (I type) and series inductance and parallel capacitance (II type). It is shown that when I and II type EIM networks are used, the resonance and anti-resonance frequencies and the received signal tailing are decreased; II type makes the electro-acoustic power ratio and the signal tailing smaller whereas it makes the electro-acoustic gain ratio larger at resonance frequency. In addition, I type makes the effective electromechanical coupling coefficient increase and II type makes it decrease; II type make the power spectral density at resonance frequency more dramatically increased. Specially, the electro-acoustic power ratio has maximum value near anti-resonance frequency, while the electro-acoustic gain ratio has maximum value near resonance frequency. It can be found that the theoretically analyzed results have good consistency with the measured ones.
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