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Category: BJT

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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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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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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April 3, 2015 electronicsbeliever

Fixed Bias Configuration with a Divider Resistor in the Base Complete Analysis

This article will uncover the fixed bias configuration with a divider resistor complete analysis. Actually this is another variation of

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April 3, 2015 electronicsbeliever

Complete Analysis of a Fixed Bias Circuit using NPN Transistor

This article will uncover the complete analysis of a fixed bias circuit. Figure 73 below shows a simple common emitter configuration.

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February 15, 2015 electronicsbeliever

How to Saturate a PNP Transistor

PNP transistor is very useful in high side driving. A successful high side driving circuit starts with the proper understanding

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February 15, 2015 electronicsbeliever

How to know if a Transistor is Saturated?

There are several ways how to know if a transistor is saturated or not. It is very important that if

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November 19, 2014 electronicsbeliever

How to Drive a Transistor into Hard Saturation

How to drive a transistor into hard saturation? In using a transistor to operate as a switch you must drive

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November 19, 2014 electronicsbeliever

BJT Operation Modes

BJT operation modes are at cut-off, saturation and active or linear. At cut-off, simply the BJT is not operating, say the base-emitter

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