Physics · Analog Communication
Which one of the following statements is NOT correct regarding communication receivers?
- 1The figure of merit of a conventional AM receiver using envelope detection is always greater than unity.✓
- 2The figure of merit of an SSB receiver using coherent detection is equal to unity.
- 3The figure of merit of a DSB-SC receiver using coherent detection is equal to unity.
- 4The noise performance of a conventional AM receiver with envelope detection is always inferior to that of a DSB-SC receiver.
Correct answer
The figure of merit of a conventional AM receiver using envelope detection is always greater than unity.
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