Adaptive oversampling rate controller in full-digital timing recovery for read channel systems

Kouji Okamoto; Akira Yamamoto; Hiroki Mouri; Takashi Yamamoto

doi:10.1117/12.685225

22 June 2006 Adaptive oversampling rate controller in full-digital timing recovery for read channel systems

Kouji Okamoto, Akira Yamamoto, Hiroki Mouri, Takashi Yamamoto

Proceedings Volume 6282, Optical Data Storage 2006; 62820Y (2006) https://doi.org/10.1117/12.685225
Event: Optical Data Storage 2006, 2006, Montréal, Canada

Abstract

A novel timing recovery for read channel systems with asynchronous full-digital architecture is presented. The timing recovery consists of a frequency synthesizer and digital circuits employing an adaptive oversampling rate controller to keep its oversampling rate constant. Therefore, it is no need to change a digital equalizer characteristic even if a data transfer rate varies. Moreover, it controls the power consumption to be adequate at CAV. Since the proposed timing recovery is constructed of full-digital logic, it can realize a robust read channel system in high-speed signal processing and on next generation LSIs.

Citation Download Citation

Kouji Okamoto, Akira Yamamoto, Hiroki Mouri, and Takashi Yamamoto "Adaptive oversampling rate controller in full-digital timing recovery for read channel systems", Proc. SPIE 6282, Optical Data Storage 2006, 62820Y (22 June 2006); https://doi.org/10.1117/12.685225

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