A phase-locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is fixed relative to the phase of an input...

channel. A frequency-locked loop is similar to a phase-locked loop (PLL), but only attempts to control the derivative of phase, not the phase itself. Because...

difference in phase between two signal inputs. The phase detector is an essential element of the phase-locked loop (PLL). Detecting phase difference is...

(acquisition range), and lock-in range are widely used by engineers for the concepts of frequency deviation ranges within which phase-locked loop-based circuits...

A Costas loop is a phase-locked loop (PLL) based circuit which is used for carrier frequency recovery from suppressed-carrier modulation signals (e.g...

Charge-pump phase-locked loop (CP-PLL) is a modification of phase-locked loops with phase-frequency detectors and square waveform signals. A CP-PLL allows...

In electronics, a delay-locked loop (DLL) is a pseudo-digital circuit similar to a phase-locked loop (PLL), with the main difference being the absence...

is the demodulated audio output. The phase-locked loop detector should not be confused with the phase-locked loop frequency synthesizer, which is often...

A PLL multibit or multibit PLL is a phase-locked loop (PLL) which achieves improved performance compared to a unibit PLL by using more bits. Unibit PLLs...

can degrade the performance of phase-locked loops and RF integrated circuits. Injection pulling and injection locking can be observed in numerous physical...

mixers, modulators, sound synthesizers and as part of a digital phase-locked loop. A basic Direct Digital Synthesizer consists of a frequency reference...

over a large frequency range due to its unique characteristics. A phase-locked loop (PLL) uses a reference frequency to generate a multiple of that frequency...

modulation (FM) or phase modulation (PM) by applying a modulating signal to the control input. A VCO is also an integral part of a phase-locked loop. VCOs are...

phase. One way to keep a local oscillator "phase synchronized" with a remote transmitter uses a phase-locked loop. Algebraic connectivity Coherence (physics)...

f_{out}={\frac {f_{in}}{N}}} where N {\displaystyle N} is an integer. Phase-locked loop frequency synthesizers make use of frequency dividers to generate...

in resonant frequency directly using a feedback circuit (usually a phase-locked loop) to always drive the sensor on resonance (frequency modulation). The...

frequency division, direct digital synthesis, frequency mixing, and phase-locked loops to generate its frequencies. The stability and accuracy of the frequency...

Gardner (1929 – 2021) was a well-known expert and author in the area of phase lock loops (PLLs). The first, second, and third editions of his book Phaselock...

(2008), Phase Noise and Frequency Stability in Oscillators, Cambridge University Press, ISBN 978-0-521-88677-2 Wolaver, Dan H. (1991), Phase-Locked Loop Circuit...

frequency of oscillation depends on, or is constrained (i.e., phase-locked or mode-locked, in some contexts) based on some quantity, and it is often of...

to receiving AM and FM signals without implementing an elaborate phase locked loop. Although these and other technical challenges made this technique...

generated at the receiver using a phase-locked loop or other techniques. Synchronous detection preserves any phase information originally present in the...

this behavior resembles the process by which neurons create a phase-locked loop that permits recognition of consonant musical intervals. Choir Evolutionary...

a phase detector, a control-loop can be set up so that the VCO's output is frequency-locked to a crystal-controlled reference oscillator. The phase detector's...

digital-to-analog converter. Examples of anti-jitter circuits include phase-locked loop and delay-locked loop. Jitter buffers or de-jitter buffers are buffers used to...

approximate frequency reference, and then phase-aligns the clock to the transitions in the data stream with a phase-locked loop (PLL). This is one method of performing...

especially on FM, which exhibits a capture effect. However, the use of a phase-locked loop (PLL) essentially eliminates the drift issue. For transmitters, a...

requires replacement of the internal clock of the Ethernet card by a phase locked loop in order to feed the Ethernet PHY. Extension of the synchronization...

rate to the externally supplied clock. This may be implemented with phase-locked loop (PLL) frequency multiplier circuitry. A CPU with a 10x multiplier...

the flow speed and direction. In an all-digital phase-locked loop (ADPLL), a TDC measures the phase shift and its result is used to adjust the digital...