Driving Circuit Design for Electrostatic Ultrasonic Transmitter

被引：0
作者：
Kamigaki, Takaaki [1 ]
Shinoda, Hiroyuki [1 ]
机构：
[1] Univ Tokyo, Grad Sch Frontier Sci, Kashiwa, Chiba, Japan
来源：
2019 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2019年
关键词：
driver circuit; high efficiency; airborne ultrasound; capacitive transducer; TRANSDUCERS;
D O I：
10.1109/ultsym.2019.8926045
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we report a driver circuit design for electrostatic-type of airborne ultrasound transmitter. The proposed circuit consists of a CMOS switch and an inductor to drive the capacitive load. In the experiment, the prototype system including the transducer achieved 37 % electro-acoustic energy conversion efficiency. Besides, we prototyped a phased array with the proposed circuit and evaluated the focusing performance.
引用
收藏
页码：811 / 814
页数：4
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