What is the history of phase-locked loops?
Phase-locked loops (PLLs) were first developed in the 1930s for use in radio technology. They became widely used in the 1960s for frequency synthesis and demodulation.
Who invented the phase-locked loop?
The concept of the phase-locked loop was introduced by Harold Stephen Black in 1932, primarily for use in telephone systems.
How have phase-locked loops evolved over time?
PLLs have evolved significantly, from analog circuits to digital implementations, enhancing their performance in communication systems and signal processing.
What are some applications of phase-locked loops today?
Today, PLLs are used in various applications, including telecommunications, clock recovery in digital circuits, and in synthesizers for generating stable frequencies.
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