CLOCK EXTRACTION DEVICE WITH DIGITAL PHASE LOCK, REQUIRING NO EXTERNAL CONTROL
The invention relates to a device for extracting a clock signal from a baseband serial signal, consisting of: an injection-locked oscillator (19), and a phase-lock loop (25) including a digital phase detector (26). The oscillator (19) includes a digital input (24) for controlling the value of the fr...
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creator | NEVEU CLAUDE DEVAL YANN MAZOUFFRE OLIVIER PIGNOL MICHEL BEGUERET JEAN BAPTISTE |
description | The invention relates to a device for extracting a clock signal from a baseband serial signal, consisting of: an injection-locked oscillator (19), and a phase-lock loop (25) including a digital phase detector (26). The oscillator (19) includes a digital input (24) for controlling the value of the frequency thereof and the phase-lock loop (25) includes a counting circuit (30, 35) which totals the relative values of the digital signal delivered by the digital phase detector (26) and delivers a digital control signal for the oscillator (19). |
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subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
title | CLOCK EXTRACTION DEVICE WITH DIGITAL PHASE LOCK, REQUIRING NO EXTERNAL CONTROL |
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