四通道28Gbps TIA + CDR + LA；-12dBm典型靈敏度，LOS閾值可編程；平均光電流監(jiān)視；輸出擺幅可編程及去加重功能。

4 Channel 28Gbps TIA + CDR + LA; -12dBm typical sensitivity.High-sensitivity limiting amplifier with programmable LOS threshold.Average photodiode current monitor,

Programmable output swing and de-emphasis.