Linear amplifier- Output signal characteristics

Q.  The output signal generated corresponding to the magnified input signal by a linear amplifier is _________

A. Larger in size
B. Smaller in size
C. Similar in shape as that of input signal
D. Different in shape as that of input signal
- Published on 23 Sep 15

a. A & C
b. B & D
c. B & C
d. A & D

ANSWER: A & C

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    Discussion

  • Satyawati Patil   -Posted on 07 Oct 15
    The main purpose of linear amplifier is to amplify the analog signals. Generally, the analog signal can acquire any value and there is possibility that the signal can exhibit variations on a continuous basis with respect to time.

    However, it is essential for the linear amplifier to multiply the input signal by a constant factor so as to generate the output.
    The multiplying factor in a linear amplifier has the value greater than unity (1) & hence regarded as 'Gain of an amplifier'.

    However, linear amplifier performs the magnification of input signal & production of corresponding output signal with larger size and similar shape as that of input.

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