Ultrasonic Drilling Machine Two

Work of the circuit The circuit consists of power supply circuit, ultrasonic oscillator circuit, pre-amplifier, amplifier and power amplifier drive output circuit. (It is showed in picture 8-125.)Power supply circuit consists of power switch Sl, fuse FU, power transformer m, bridge rectifier, URl and UR2, capacitors C9 and Cll-C13, resistors R16 and R17, v..

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