Ultrasonic drilling machine circuit diagram 2

The ultrasonic drilling machine circuit is composed of power supply circuit, ultrasonic oscillator circuit, preamplifier, promoting amplifier circuit and power amplifier output circuit, and the circuit is shown as the chart. Ultrasonic oscillator circuit consists of resistors R1 ~ R4, transistor V1, capacitors C1 ~ C4 and inductor L. Preamplifier circuit con..

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