phase-locked recovery
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Phase-locked loop — PLL redirects here. For other uses, see PLL (disambiguation). A phase locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is related to the phase of an input reference signal. It is an electronic… … Wikipedia
Phase detector — A phase detector is a frequency mixer or analog multiplier circuit that generates a voltage signal which represents the difference in phase between two signal inputs. It is an essential element of the phase locked loop (PLL).Detecting phase… … Wikipedia
Carrier recovery — A carrier recovery system is a circuit used to estimate and compensate for frequency and phase differences between a received signal s carrier wave and the receiver s local oscillator for the purpose of coherent demodulation. Example of QPSK… … Wikipedia
Delay-locked loop — In electronics, a delay locked loop (DLL) is a digital circuit similar to a phase locked loop (PLL), with the main difference being the absence of an internal voltage controlled oscillator. A DLL can be used to change the phase of a clock signal… … Wikipedia
Clock recovery — Some digital data streams, especially high speed serial data streams (such as the raw stream of data from the magnetic head of a disk drive) are sent without an accompanying clock signal. The receiver generates a clock from an approximate… … Wikipedia
Clock Recovery — Die Taktrückgewinnung (auch Symboltakt Synchronisation) in der digitalen Übertragungstechnik hat zum Ziel, aus einem empfangenen Digitalsignal den Sendetakt des Senders zu bestimmen und damit das zeitgenaue Abtasten des Empfangsignals zu… … Deutsch Wikipedia
Burst mode clock and data recovery — The passive optical network (PON) uses tree like network topology. Due to the topology of PON, the transmission modes for downstream (i.e., from optical line termination, OLT to optical network unit, ONU) and upstream (i.e., from ONU to OLT) are… … Wikipedia
Two-phase commit protocol — In computer networking and databases, the two phase commit protocol (2PC) is a distributed algorithm that lets all nodes in a distributed system agree to commit a transaction. The protocol results in either all nodes committing the transaction or … Wikipedia
Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… … Universalium
Injection locking — is a high frequency (usually RF, but possibly microwave and optical) phenomenon where an oscillator directly synchronizes to another high frequency signal. In the case of a VCO an injection locking signal may override its low frequency control… … Wikipedia
Jitter — For other meanings of this word, see Jitter (disambiguation). Jitter is the undesired deviation from true periodicity of an assumed periodic signal in electronics and telecommunications, often in relation to a reference clock source. Jitter may… … Wikipedia
