Basic of PCB -2

In previous article, we learn about basics of PCB.  https://articleelectrical.blogspot.in/2017/12/basics-of-pcb-1.html In this article, we will see different parts of PCB, material used in PCB and different PCB designing software. Different parts of PCB Pad: The pad is a piece of copper. Lead of components are mounted on pad and on which soldering are done. Pad provides the mechanical...

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Types of switches - Electrical switch

In previous article we discussed about mechanical switch: https://articleelectrical.blogspot.in/2017/12/types-of-switches.html In this article we will discuss about different types of electrical switch: Electrical Switches: The electrical switches is a semiconductor device. These switches are...

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SMPS component and TL494

For introduction of SMPS :  http://articleelectrical.blogspot.in/2018/02/switched-mode-power-supply-smps.html TRANSFORMER A single-phase voltage transformer generally comprises of two electrical coils of wire, into that constructive part one called the “Primary Winding” and another called...

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Switched-mode power supply (SMPS)

Block Diagram and description                                    FIG: BLOCK DIAGRAM OF SWITCH MODE POWER SUPPLY Input Rectifier Stage It is used to convert an AC input into DC. A SMPS with dc input does...

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BJT (Bipolar Junction Transistor)

In this article, we will discuss about the bipolar junction transistor, which is also known as BJT. The BJT is a solid-state device and used for amplifying, controlling and generating electrical signals. What is the meaning of “bipolar”? Bipolar word is used because of the current through the BJT...

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