Keywords: MAX3991, LOS detector, 10Gbps receiver, BER, bit error rate, LOS hysteresis, loss of signal monitor, system digital diagnostics, XFP optical modules, clock and data recovery, CDR, output signal amplitude, TIA, OMA, optical modulation amplitude
MAX3991: Accurate Loss-of-Signal Detection in 10Gbps Optical Receivers using the MAX3991
Abstract:This design note outlines the characteristics of the MAX3991 LOS detector, and describes how to set the optical assert power in a 10Gbps receiver for a specified BER. A method for increasing LOS hysteresis for operation at low power levels is also described.
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