Phase-locked loop
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A phase-locked loop is a control system that generates an output signal whose phase is fixed relative to the phase of an input signal. Keeping the input and output phase in lockstep also implies a con
ON Semiconductor HC4046A
A voltage-controlled oscillator is an electronic oscillator whose oscillation frequency is controlled by a voltage input. The applied input voltage determines the instantaneous oscillation frequency.
Phase-locked loop
…detector in a feedback loop (Figure 1). The oscillator generates a periodic signal Vo with frequency proportional to an applied voltage, hence the term voltage-controlled oscillator (VCO). The phase detector compares the phase of the VCO's output signal with the phase of periodic input reference signal Vi and outputs a voltage…
27 MHz VCXO clock generator IC (TLSI T73227), used in a DVB-T set-top box.
The Korg Monologue is a monophonic synthesizer with two VCOs.