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E4C06
How much does increasing a receiver's bandwidth from 50 Hz to 1,000 Hz increase the receiver's noise floor?
Pick an answer to check it.
Answer: D. 13 dB
Noise power rises with bandwidth. Increase = 10 log(1000 / 50) = 10 log(20) = 13 dB.
Tip: Noise change = 10 log(bandwidth ratio).