Ultrasonic Drilling Machine Two

Description: The circuit comprises a power supply circuit, an ultrasonic oscillator circuit, a pre-amplifier, an amplifier, and a power amplifier drive output circuit. The power supply circuit includes a power switch (S1), a fuse (FU), a power transformer (T1), a bridge rectifier (UR1 and UR2), capacitors (C9 and C11-C13), and resistors (R16 and R17).

The power supply section begins with the power switch (S1), which controls the flow of electricity to the circuit. Following the switch, the fuse (FU) provides protection against overcurrent conditions, ensuring that the circuit components remain safe from damage. The power transformer (T1) steps down the AC voltage to a suitable level for the circuit's operation.

The bridge rectifier, consisting of diodes (UR1 and UR2), converts the AC voltage from the transformer into a pulsating DC voltage. This DC voltage is then smoothed by the capacitors (C9 and C11-C13), which filter out the ripples, providing a stable DC supply to the subsequent stages of the circuit.

The ultrasonic oscillator circuit generates high-frequency signals necessary for ultrasonic applications. This signal is first amplified by the pre-amplifier, which boosts the weak signals from the oscillator. The amplifier further increases the signal strength before it reaches the power amplifier, which drives the output circuit. The power amplifier ensures that the output signal is strong enough to drive the load, which may be an ultrasonic transducer or another device requiring high-frequency signals.

Resistors (R16 and R17) are used within the circuit for biasing and setting gain levels in the amplifier stages, contributing to the overall performance and stability of the circuit. Each component plays a critical role in ensuring that the circuit functions effectively for its intended application, which may include ultrasonic cleaning, sensing, or other ultrasonic technologies.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..