Mathematics · Sampling Theorem
What is the minimum Nyquist sampling frequency required for a signal passed through a low-pass filter (LPF) with a cut-off frequency of 20 kHz?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120 kHz
- 230 kHz
- 340 kHz✓
- 450 kHz
Correct answer
40 kHz
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