SCR (Silicon controlled rectifier or semiconductor controlled rectifier) is an electric device which comprises four pnpn layers with three major terminals anode, cathode and gate. The device has usage …
Voltage Regulator
A voltage regulator is a device used to provide pure DC supply to electronic devices. In other words a voltage regulator maintains a constant voltage level. What is the need of Voltage Regulator? As …
Light Emitting Diode (LED), Working and Advantages
LED Full Form LED stands for light emitting diode. LED is a device which converts electrical energy into light energy. Just like a general purpose diode we apply a voltage across p-type and n-type …
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Zener Diode
Zener diode is a special purpose diode which is designed to work in reverse bias condition. In contrast to ordinary diode which blocks the flow of current in reverse bias and even goes into breakdown …