This paper introduces a novel peak detection method in the hunt-mode receiver considering the extinction ratio (6dB) of the received burst packet eells. The peak detector is designed using a 0 . 1 8~ CMOS teehnology and can be applied to the optical hunt-mode receiver in Ethernet PON system. By adopting this method, we can get the -29dBm sensitivity and -8dBm overload at 1.25 Ghls.
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