What is fidelity?

Q.  Fidelity is nothing but an ability of amplifier to reproduce ________
- Published on 23 Sep 15

a. Input signal without any distortion
b. Output signal without any distortion
c. Phase shift signal
d. Amplitude shift signal

ANSWER: Input signal without any distortion
 

    Discussion

  • Satyawati   -Posted on 29 Sep 15
    Fidelity is the property of amplifier which is usually taken into consideration during the analysis of an amplifier's frequency response. The ability or a potential of an amplifier in order to reproduce the distortion-less nature of input signal is known as 'Fidelity'.

    Fidelity of an amplifier is dependent on the frequency response and the bandwidth of an amplifier to the greater extent.
    Fidelity gives an implication of satisfying the condition of distortion less output.

    This condition for distortion-less output implies that gain of an amplifier should be independent of frequency (constant) while the phase shift introduced by an amplifier should exhibit proportionality with respect to frequency or zero.

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