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Electronics and Communication Engineering - Communication Systems - Discussion

Discussion Forum : Communication Systems - Section 21 (Q.No. 18)
Communication Systems
18.
Consider the following statements as regards communication receiver
  1. Variable sensitivity is used to eliminate selective fading
  2. A product demodulator can be used to receive Morse code
  3. The noise limiter cuts off receiver output during a noise pulse
  4. Double conversion is used to improve image rejection
Which of the above statements are correct?
1, 2, 3, 4
1, 2, 3
2, 3, 4
1, 3, 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
Dharma Mohan said:   8 years ago
Variable sensitivity is used to improve selectivity.
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