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E6E05
Which of the following noise figure values is typical of a low-noise UHF preamplifier?
Pick an answer to check it.
Answer: A. 0.5 dB
A good low-noise UHF preamplifier has a noise figure of about 0.5 dB. Noise figure cannot be negative, and dBm is a power level, not a noise figure.
Tip: Good preamp noise figure: under 1 dB.