In which process is the flat-top pulse amplitude modulated signal generated?

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DFCCIL Executive S&T 29 Sept 2021 Official Paper
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  1. Sampling
  2. Encoding
  3. Reconstruction filter
  4. Quantisation

Answer (Detailed Solution Below)

Option 1 : Sampling
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Detailed Solution

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Flat-Top sampling:

In this, the pulses will have flat-tops.

The top of the sample remains constant and is equal to the instantaneous value of baseband signal g(t) at the start of the sampling:

The above equation represents the spectrum of the flat top sampled signal.

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