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Question
Explain briefly, with the help of a circuit diagram how an n-p-n transistor in C.E. configuration is used to study input and output characteristics.
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Solution
A common emitter or CE circuit is used for amplification. A small signal introduced into the base produces a larger signal at the output. It has the emitter lead connected to ground. It is usually built with at least two resistors, with one at the base and the other at the collector.
The circuit has two loops, where one is called the base loop and the other the collector loop. The loops are found by using Kirchoff's Law to follow the path between the supplied voltage and the transistor leads.
A common emitter or CE circuit is used for amplification. A small signal introduced into the base produces a larger signal at the output. It has the emitter lead connected to ground. It is usually built with at least two resistors, with one at the base and the other at the collector.
The circuit has two loops, where one is called the base loop and the other the collector loop. The loops are found by using Kirchoff's Law to follow the path between the supplied voltage and the transistor leads.
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