What is the working principle of phase-locked loops?
Phase-locked loops (PLLs) are control systems that synchronize an output signal's phase with a reference signal's phase.
How do PLLs achieve phase synchronization?
PLLs use feedback to adjust the output frequency, ensuring it matches the reference signal's frequency and phase.
What are the main components of a PLL?
A typical PLL consists of a phase detector, a low-pass filter, and a voltage-controlled oscillator (VCO).
Can you explain the role of the phase detector?
The phase detector compares the phase of the input signal with the output signal and generates an error signal based on the difference.
What applications do phase-locked loops have?
PLLs are widely used in communication systems, frequency synthesis, and clock recovery in digital circuits.
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