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E4C04:What is the noise figure of a receiver?

E4C04E4C

What is the noise figure of a receiver?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E4C04 is The ratio in dB of the noise generated by the receiver to the theoretical minimum noise.

The key fact is The ratio in dB of the noise generated by the receiver to the theoretical minimum noise. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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More questions in E4C

E4C01What is an effect of excessive phase noise in an SDR receiver’s master clock oscillator?E4C02Which of the following receiver circuits can be effective in eliminating interference from strong out-of-band signals?E4C03What is the term for the suppression in an FM receiver of one signal by another stronger signal on the same frequency?E4C05What does a receiver noise floor of -174 dBm represent?E4C06How much does increasing a receiver’s bandwidth from 50 Hz to 1,000 Hz increase the receiver’s noise floor?E4C07What does the MDS of a receiver represent?