RadioQTH Lookup

Extra Exam

Question: E7F05

Question: How frequently must an analog signal be sampled to be accurately reproduced?

1. At least half the rate of the highest frequency component of the signal
2. At least twice the rate of the highest frequency component of the signal
3. At the same rate as the highest frequency component of the signal
4. At four times the rate of the highest frequency component of the signal

Correct Answer: B

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