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A transistor is a semiconductor device used to amplify or switch electronic signals and electrical .... In a grounded-emitter transistor circuit, such as the light-switch circuit shown, as the base ...

Transistors - learn.sparkfun.com


Introduction. Transistors make our electronics world go 'round. They're critical as a control source in just about every modern circuit. Sometimes you see them, ...

1 - 200 Transistor Circuits - Talking Electronics


Transistor data is at the bottom of this page and a transistor tester circuit is also provided. There are lots of categories and I am sure many of the circuits will be ...

Experiment: Transistor Circuit Design - Backyard Brains


In the previous Transistor lesson plan, you learned the theory. Now you will apply it and build your own simple amplifier circuit from scratch using two transistors ...

The Transistor as a Switch (BJT) : Bipolar ... - All About Circuits


Because a transistor's collector current is proportionally limited by its base current , it can be used as a sort of current-controlled switch. A relatively small flow of ...

Practical Transistor Circuits - Sentex Data Communications


Dec 18, 2009 ... This last article on bipolar junction transistors (BJT) is a potpourri of circuits. Some are practical and some are not so practical, but they can be ...

Transistor Basics


Transistors can be regarded as a type of switch, as can many electronic components. They are used in a variety of circuits and you will find that it is rare that a ...

NPN transistor circuits, transistor amplifier, power transistors - Future ...


A selection of general purpose transistors of several types when looking for an ... high power or high voltage NPN transistor or transistor amplifier for circuits.

5 Cool Projects With a General Transistor - Instructables


A transistor is a semiconductor device used to amplify and switch electronic signals and ... material with at least three terminals for connection to an external circuit.

Transistor as a Switch - Using Transistor Switching


If the circuit uses the Bipolar Transistor as a Switch, then the biasing of the transistor, either NPN or PNP is arranged to operate the transistor at both sides of the ...

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Transistor Circuits


Figure 13: A circuit for measuring the current voltage relationship of an npn junction transistor (for testing the Ebers-Moll equation).

Electronics Club - Transistor Circuits


This page explains the operation of transistors in simple circuits, mainly their use as switches. Practical matters such as testing, precautions when soldering and ...

How Transistors Work - Build Electronic Circuits


May 28, 2014 ... Understanding how transistors work is something you will benefit a lot from. It can seem hard, but I'm gonna give you a simple explanation.