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Category: Electronics

mosfet reverse battery protection
May 3, 2020 electronicsbeliever

How to Use MOSFET as Reverse Battery Protection

You may not know how to use MOSFET as reverse battery protection. The most common method is using a diode. However, diode voltage drop is high and this will creat issue in low voltage circuits. That is the reason many use MOSFET as reverse battery protection due to its very low on state voltage drop.

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Linear Regulator
April 17, 2020 electronicsbeliever

What is Voltage Regulator – Explained in Details

A linear voltage regulator is the easiest to deal with. It is very easy to create and do not need much technical knowledge to understand its behavior. It has two variations: series and shunt.

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Diode Troubleshooting
November 2, 2019 electronicsbeliever

How to Know a Defective Diode

Diode is a two terminal semiconductor device. One terminal is called the anode while the other terminal is cathode. Anode

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February 16, 2017 electronicsbeliever

SURGE PROTECTION CIRCUIT PRINCIPLE and DESIGN

Surge protection circuit is the one referred by many as protector for voltage spikes in AC grid lines; however it

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NPN Transistor applications and uses
February 2, 2017 electronicsbeliever

NPN Transistor Principles and Practical Uses

Basic NPN Transistor Principles Universities are covering this topic very well but despite I still attempt to discuss NPN transistor

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February 12, 2016 electronicsbeliever

Capacitor as ESD Protection

    Electrostatic discharge or simply ESD is a universal problem in electronic circuits. Capacitor as ESD protection is providing

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December 9, 2015 electronicsbeliever

Transistor Operation Mode Determination

Transistor operation mode is can easily be determined by using mathematical equations. Don’t worry; these are not difficult equations. There

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November 26, 2015 electronicsbeliever

Heat Sink Thermal Resistance Calculation Easy Explanation

For power devices like power MOSFETs, power BJT and power diodes, heat sink is very important to provide thermal relief.

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November 23, 2015 electronicsbeliever

MOSFET RDSon Temperature Coefficient Usage and Interpretation

MOSFET RDSon temperature coefficient is positive. Meaning, it will increase with increasing temperature. In this article I will discuss and

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NPN Transistor Biasing Tool
November 18, 2015 electronicsbeliever

NPN Transistor Biasing Tool and Checker in Excel

In this article I will discuss the feature of the NPN transistor biasing tool and checker in excel that I

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