Question: Q. 8. Draw a block diagram of a detector for $A M$ signal and show, using necessary processes and the waveforms, how the original message signal is detected from the input $A M$ wave.
U] [Delhi I, II, III 2015]
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[Note : Award these 3 marks irrespective of the way the student attempts the question.]
Commonly Made Error
- Many students couldn’t draw the output of ’envelope detector'.
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