Electronics Engineering · Communication Systems
Which of the following statements with respect to Frequency Shift Keying (FSK) demodulation using a Phase-Locked Loop (PLL) circuit is/are correct? S1: If the input signal frequency changes, the PLL adjusts its VCO frequency output to match the input frequency. S2: The phase-locked loop is used to track the changes in the frequency of the modulated signal.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both S1 and S2✓
- 2Neither S1 nor S2
- 3Only S2
- 4Only S1
Correct answer
Both S1 and S2
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