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Electronics and Communication Engineering - Communication Systems - Discussion

Discussion Forum : Communication Systems - Section 7 (Q.No. 25)
Communication Systems
25.
Which of the following are useful in comparing the noise performance of receivers?
  1. Input noise voltage
  2. Noise figure
  3. Noise resistance
  4. Noise temperature
Select answer as per the following codes:
1, 2 and 3
1, 3 and 4
2, 3, 4
1, 2, 4
Answer: Option
Explanation:

Noise figure, noise resistance and noise temperature are useful quantities. Input noise voltage alone is not sufficient unless gain of amplifier stages is also known.

Discussion:
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