State the need of multistage amplifier. Draw frequency response of R-C coupled amplifier.

State the need of multistage amplifier. Draw frequency response of R-C coupled amplifier.
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Answer :

The need of multistage amplifier

The voltage (or power) gain, obtained from a single stage small signal amplifier, is limited. Therefore, it is not sufficient for all practical applications. Therefore, in order to obtain greater voltage and power gain, we have to use a „MULTISTAGE AMPLIFIER‟. 

Frequency response of R-C coupled amplifier.

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