Identify the 'INCORRECT' statement from the following.

Identify the 'INCORRECT' statement from the following.
  1. Modulation index $\mu$ is kept greater than one to avoid distortion.
  2. The receiving antenna is followed by amplifier, intermediate frequency (IF) stage and detector.
  3. AM detection is carried out using a rectifier and an envelop detector.
  4. Modulated signal is to be followed by power amplifier and then fed to an antenna.

Solution

Modulation index $\mathrm{u}$ is kept greater than one to avoid distortion /

Asked in: MHT CET 2020 (20 Oct Shift 2)

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