Powerful Audio Amplifier Circuit

Powerful Audio Amplifier Circuit

4558 ic Audio Power Amplifier Circuit Diagram This is circuit diagram of powerful audio amplifier. This circuit is given by Emmanuel. In this circuit one ic 4558 and 4 Power transistors are used with some discrete components. Use 20v-to 60v for operating this circuit. This is a single channel audio amplifier circuit. Use capacitor of minimum 50v value. Positive supply […]

Autocut Circuit For Stabilizer

Autocut Circuit For Stabilizer

Autocut Circuit For Stabilizer Here is presenting circuit of autocut that is used mostly in manual voltage stabilizer. This is a protection circuit that protects electrical appliances from high voltage. This circuit connected with the output of stabilizer. When voltage increase above from the required set level then this circuit activates the relay and then the output is disconnected and […]

Over-Voltage Automatic Switch off Circuit

Over-Voltage Automatic Switch off Circuit

Over-voltage Protection circuit using TL431 Shunt Regulator IC This circuit protects from high voltage. Automatic Equipment disconnect when the power cross the level of a fixed voltage. This is safety device to overvoltage . As per datasheet –  TL431A is the three-terminal programmable integrated circuit . This is a shunt regulator diode. Look like a transistor. This monolithic IC voltage references […]