Title :
Compact 600 W DC-to-RF MOSFET inverter for ultrasonic transducer at 1 MHz
Author :
Suzuki, Taiju ; Nakabori, Tsuyoshi ; Ikeda, Hiroaki ; Yoshida, Hirofumi ; Honda, Keisuke ; Miyamoto, Toshiaki ; Yamamoto, Takeshi
Author_Institution :
Shizuoka Univ., Hamamatsu, Japan
Abstract :
Described is a compact single-ended MOSFET inverter with a switching snubber operating at a frequency of 1 MHz, which generates an RF power of 600 W when an ultrasonic transducer with a characteristic impedance of 1 ohm is connected to the inverter. The inverter has a power conversion efficiency of 67% at 1 MHz when a DC voltage of 70 V is supplied to the inverter. The inverter is 22 cm×l7 cm×9 cm in dimensions and 2 kg in weight
Keywords :
acoustic transducers; insulated gate field effect transistors; invertors; overvoltage protection; power convertors; semiconductor switches; switching circuits; ultrasonic transducers; 1 MHz; 600 W; 67 percent; 70 V; DC-to-RF MOSFET inverter; power conversion efficiency; single-ended MOSFET inverter; switching snubber; ultrasonic transducer; Character generation; Impedance; Inverters; MOSFET circuits; Power MOSFET; Power conversion; Power generation; Radio frequency; Snubbers; Ultrasonic transducers;
Conference_Titel :
Industrial Electronics, 1994. Symposium Proceedings, ISIE '94., 1994 IEEE International Symposium on
Conference_Location :
Santiago
Print_ISBN :
0-7803-1961-3
DOI :
10.1109/ISIE.1994.333140
