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Simple FET Circuits and Projects

Last Updated on January 18, 2021 by Swagatam 4 Comments

The Field-Effect Transistor or the FET is a 3 terminal semiconductor device which is used for switching high power DC loads through negligible power inputs. The FET comes with some […]

Filed Under: Mini Projects

The Role of Inductor Coil in SMPS

Last Updated on January 14, 2021 by Swagatam Leave a Comment

The most crucial element of a switched mode converter or an SMPS is the inductor. Energy is stored in the form of a magnetic field in the core material of […]

Filed Under: SMPS

Modifying XL4015 Buck Converter with an Adjustable Current Limiter

Last Updated on January 5, 2021 by Swagatam Leave a Comment

The post explains a simple way to enhance the the XL4015 DC to DC buck converter with an adjustable current limiter, which seems to be missing in the original module. […]

Filed Under: Datasheets, Power Electronics, SMPS

Variac Circuit for Controlling Large DC Shunt Motors

Last Updated on December 31, 2020 by Swagatam Leave a Comment

The simple DC shunt motor controller circuit presented in the following article uses a variac. This design facilitates an instant stopping of the motor at any stage with a flick […]

Filed Under: Motor Controller

How an Autotransformer Works – How to Make

Last Updated on January 2, 2021 by Swagatam 2 Comments

An autotransformer is an electrical transformer which consists of only a single, continuous, non-isolated winding, with tapped terminals across various points of the winding. The winding section between the taps […]

Filed Under: Power Supply Circuits

Class-D Sinewave Inverter Circuit

Last Updated on December 26, 2020 by Swagatam 10 Comments

A sinewave inverter using class-D amplifier functions by converting a small sinewave input frequency into equivalent sine PWMs, which is finally processed by an H-bridge BJT driver for generating the […]

Filed Under: Inverter Circuits



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