A 10 Gb/s adaptive analog decision feedback equalizer for multimode fiber dispersion compensation in 0.13 µm CMOS

Abstract

A 10 Gb/s adaptive analog decision feedback equalizer (DFE) with 6 taps is realized in 0.13 µm CMOS. A modified Cherry-Hooper stage is designed as the delay element in the feed-forward path. An analog implementation of the LMS algorithm is used to continuously adapt the feedback filter coefficients. A clock and data recovery (CDR) circuit is used to extract… (More)

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