经过约120米同轴电缆(1694A)传输的3Gbps的SDI信号, 应该用哪款芯片接收? 看datasheet LMH0344和DS30EA101似乎都能用啊,应该怎么选?
另外,LMH0344的参考设计上用了75ohm电阻和3.9nH电感并联.这个能不能省掉(DS30EA101上就没有)?
谢谢啊
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对于传输SDI信号,两者都可以选用;还可以选择支持距离更长的LMH0384,LMH0394。
3.9NH和75ohm是为了阻抗匹配用的,不建议省掉。