Parallel sync detection

Details Parallel sync detection Parallel sync detection

H - Electricity

04

L

340/205

H04L 7/00 (2006.01)

Patent

CA 2015973

A parallel sync detection circuit comprising a serial-to-parallel converter for converting an input serial signal into a corresponding parallel signal, a phase detector for detecting possible phase of a sync word in the parallel signal and generating a phase signal responsive thereto, a sync word generator for receiving the phase signal and in response generating a phase shifted stored version of the sync word, and a correlator for comparing the parallel signal to the phase shifted stored version of the sync word and in the event of substantial identity therebetween generating an output signal for indicating detection of the sync word.

Circuit de détection de synchronisation parallèle comprenant un convertisseur série-parallèle destiné à convertir un signal série d'entrée en un signal parallèle correspondant, un détecteur de phase servant à détecter la phase possible d'un marqueur dans un signal parallèle et à produire un signal de phase sensible à cet égard, un générateur de marqueur pour recevoir le signal de phase et, en réponse, produire une version stockée déphasée du marqueur, ainsi qu'un corrélateur permettant de comparer le signal parallèle à la version stockée inversée du marqueur et, dans le cas d'une identité substantielle, produire un signal de sortie indiquant la détection d'un marqueur.

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