RF/analog electronics (receiver performance): When characterizing a small-signal amplifier in a radio receiver, engineers often evaluate its noise ____. Fill the standard performance metric used to quantify degradation of signal-to-noise ratio. Choose the correct term.
Interview
Technology
Difficulty: Easy
Choose an option
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Afigure
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Bmargin
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Cindex
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Dgain
Answer
Correct Answer: figure
Explanation
ConceptNoise figure (NF) quantifies how much an amplifier degrades SNR versus an ideal noiseless device (related to noise factor).
Final Answerfigure