Electronics

Principle of Operation and Applications of a Laser Diode

Laser diodes are PN junction devices under a forward bias. LASER is an acronym for Light Amplification by Stimulated Emission…

1 year ago

The Varactor Diode

The varactor also termed to as varicap, is a diode that behaves like a variable capacitor, with the PN junction…

2 years ago

Power MOSFET Motor Control

Because of the very high input gate resistance of MOSFETs, MOSFET’s fast switching speeds, and the ease at which they…

2 years ago

Metal Oxide Semiconductor FET (MOSFET)

The Metal oxide semiconductor FET (MOSFET) also known as the insulated-gate FET (IGFET) is similar to JFET but exhibits even…

2 years ago

The Junction Field Effect Transistors (JFET)

The bipolar transistor has several disadvantages: it has low input impedance because of forward biased emitter junction, it has small…

2 years ago

Bipolar Junction Transistors (BJT)

By placing two PN junctions together we can create a bipolar junction transistor. In a PNP transistor the majority charger…

2 years ago

Multiplexers and Demultiplexers in Digital Circuits  

Multiplexers and demultiplexers are devices that route signals. A multiplexer also called a data selector takes one of several inputs…

2 years ago

Tuned Amplifier Applications

A tuned amplifier operates over a band of frequencies centered on a resonant frequency. Its two main requirements are to…

2 years ago

The Different Applications of Diodes

Diodes are used in many applications for example diodes are employed in reverse-polarity protection, used in voltage regulators, etc. We…

4 years ago

Semiconductor Diodes

A diode is a device that allows current to flow only in one direction. It is made from p-type or…

4 years ago