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Definition of "phase locked loop" |
A phase locked loop or phase lock loop is a control system that generates an output signal whose phase is related to the phase of an input signal. / Electronic Security is protection resulting from measures designed to deny unauthorized individuals information derived from the interception and analysis of noncommunications electromagnetic radiations. / a device containing a voltage controlled oscillator, a synchronous detector and a low-pass filter, arranged in a feedback loop so that the oscillator output can be made to lock onto a weak incoming periodic signal such as a radio wave. Also of use in frequency synchronization. |
Definition of "Phase-Locked Loop" |
[PLL] An electronic circuit that controls an oscillator so that it maintains a constant phase angle relative to a reference signal. An electronic circuit with a voltage or current-driven oscillator that is constantly adjusted to match in phase (and thus lock on) the frequency of an input signal. / A phase-locked loop or phase lock loop is a control system that generates an output signal whose phase is related to the phase of an input signal. / Emission Security is an analysis of a certain system's vulnerability to unauthorized access as a result of issues with electromagnetic emanations from hardware. |
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