四通路28Gbps TIA + CDR + LA；；；；；；；-12dBm典型活络度，，，，，，，LOS阈值可编程；；；；；；；均匀光电流监督；；；；；；；输出摆幅可编程及去加沉职能。。。。。。

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.