1.4-8 Gb/s Low Power Quarter-Rate Single-Loop Referenceless CDR With Unlimited Capture Range

This brief describes a low power quarter-rate single-loop clock and data recovery circuit (CDR) without a reference clock. A new frequency acquisition method is proposed, featuring unlimited frequency capture range and a short locking time. The proposed CDR has been designed and fabricated in a 28nm...

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Veröffentlicht in:	IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2024-09, Vol.71 (9), p.4061-4065
Hauptverfasser:	Kim, Jin-Ho, Kim, Tae Ho, Lee, Hyung-Wook, Park, Jeong-Mi, Kang, Jin-Ku
Format:	Artikel
Sprache:	eng
Schlagworte:	CDR circuits Clock and data recovery (CDR) Clock recovery Clocks Data recovery Detectors Frequency measurement Locking low power CDR oversampling CDR power issue Periodic structures Power demand Power efficiency quarter rate CDR single-loop CDR Time-frequency analysis unlimited capture range Voltage controlled oscillators
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