Question

Explain How the range of variation of amplitude of input signal is decided for the proper working of atransistor,

Answer 1

The Input signal can be calculated from the gain formula.

Explanation:

For the proper working of the transistor as an amplifier without any distortion, we need to give biasing voltage and a base current. The gain of the transistor amplifier is  

                                                    A = output/input  

and  

                                                   Input = output/A

If the value of output and gain is known, we can calculate the range or value of the input.

Answer 2

With the help of gain formula, the input can be calculated.

Explanation:

Throughout the preparation for each transistor to operate properly as another amplifier beyond possible distortion, a biased voltage including a base current must be given.

The value of that same transistor amplifier seems to be:

⇒  $A=\frac{Out}{In}$

Or,

⇒  $In=\frac{Out}{A}$

∴  In = Input or Out = Output

Enough that, unless the amount of output, as well as gain, becomes recognized, we could determine the amount or significance of that same input.

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