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- Clock_recovery abstract "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 frequency reference, and then phase-aligns to the transitions in the data stream with a phase-locked loop (PLL). This process is commonly known as clock and data recovery (CDR). It is very closely related to the problem of carrier recovery, which is the process of re-creating a phase-locked version of the carrier when a suppressed carrier modulation scheme is used. These problems were first addressed in a 1956 paper, which introduced a clock recovery method now known as the Costas loop. Since then many additional methods have been developed.In order for this scheme to work, a data stream must transition frequently enough to correct for any drift in the PLL's oscillator. The limit for how long a clock recovery unit can operate without a transition is known as its maximum consecutive identical digits (CID) specification. To ensure frequent transitions, some sort of encoding is used; 8B/10B encoding is very common, while Manchester encoding serves the same purpose in old revisions of 802.3 local area networks.".
- Clock_recovery wikiPageID "6076335".
- Clock_recovery wikiPageRevisionID "540930434".
- Clock_recovery hasPhotoCollection Clock_recovery.
- Clock_recovery subject Category:Clock_signal.
- Clock_recovery subject Category:Electrical_circuits.
- Clock_recovery subject Category:Line_codes.
- Clock_recovery type Artifact100021939.
- Clock_recovery type Circuit103033362.
- Clock_recovery type Device103183080.
- Clock_recovery type ElectricalCircuits.
- Clock_recovery type ElectricalDevice103269401.
- Clock_recovery type Instrumentality103575240.
- Clock_recovery type Object100002684.
- Clock_recovery type PhysicalEntity100001930.
- Clock_recovery type Whole100003553.
- Clock_recovery comment "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 frequency reference, and then phase-aligns to the transitions in the data stream with a phase-locked loop (PLL). This process is commonly known as clock and data recovery (CDR).".
- Clock_recovery label "Clock recovery".
- Clock_recovery label "Clock recovery".
- Clock_recovery label "Recuperação de relógio".
- Clock_recovery label "Synchronisation Symbole".
- Clock_recovery label "クロック・データ・リカバリ".
- Clock_recovery sameAs Synchronisation_Symbole.
- Clock_recovery sameAs Clock_recovery.
- Clock_recovery sameAs クロック・データ・リカバリ.
- Clock_recovery sameAs Recuperação_de_relógio.
- Clock_recovery sameAs m.0fnwtd.
- Clock_recovery sameAs Q2348121.
- Clock_recovery sameAs Q2348121.
- Clock_recovery sameAs Clock_recovery.
- Clock_recovery wasDerivedFrom Clock_recovery?oldid=540930434.
- Clock_recovery isPrimaryTopicOf Clock_recovery.