Published:2011/6/1 6:48:00 Author:Lucas | Keyword: Ultrasonic, drilling machine | From:SeekIC
The ultrasonic drilling machine circuit is composed of power supply circuit, ultrasonic oscillator circuit, driver amplifier circuit and power output circuit, and the circuit is shown as the chart. Power circuit consists of the power switch S, power transformer T1, rectifier diodes VD1 ~ VD8, three-terminal voltage regulator integrated circuit IC and filter capacitors C1, C3, C5, C6. Ultrasonic oscillator circuit consists of resistors R9, R11, R12, inductor L, capacitors C7 ~ C9 and transistor V7. Driver amplifier circuit is composed of capacitor C4, transistors V8 and V9, input transformer T2 and resistors R7, R10, R13, R14. Power output circuit consists of the windings W2 and W3, transformer T2, power amplifier tubes V1 ~ V6, resistors R1 ~ R6, output transformer T3, capacitor C2 and ultrasonic transducer B.
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