Ultrasonic generator (i. e. ultrasonic power) is a power supply that converts 220V or 380V alternating current into ultrasonic frequency electrical oscillation signal, it is composed of an oscillator, a voltage amplifier, a power amplifier and an output transformer. In order to ensure the frequency stability of the ultrasonic generator and the impedance matching between the generator and the transducer, the ultrasonic generator is also equipped with an acoustic tracking circuit and an automatic frequency tracking circuit.
The development of ultrasonic generator is closely related to the development of electronic equipment. To some extent, the development of electronic vehicle leads the development direction of ultrasonic generator. There are many kinds of ultrasonic generators, which can be divided into analog circuit and digital circuit according to the different working principles Depending on the type of power transistor used, it can be further divided into three stages of development: the electronic tube, the transistor and the Analog chip.