1 MHz, 1 kW series resonant converter for ultrasonic transducer using the high frequency power SITs

M Tatsuta,H Wada,J.-I Nishizawa,T Tamamushi,E Yamanaka

doi:10.1109/pesc.1988.18267

1 MHz, 1 kW series resonant converter for ultrasonic transducer using the high frequency power SITs

M Tatsuta, H Wada + Show 3 more

https://doi.org/10.1109/pesc.1988.18267

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Publication Date: Apr 11, 1988

Citations: 2

#Static Induction Transistor #Power Static Induction Transistor + Show 8 more

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Abstract

A 1000 V, 30 A high-breakdown-voltage power static induction transistor (SIT) has been developed. It has a unity gain frequency of 50 MHz and a drain power dissipation of 500 W. Using these power SITs with a half bridge circuit, a 1 MHz, 1 kW series resonance converter for driving an ultrasonic transducer has been realized that has an efficiency of 85%. >

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