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当DS90UB933使用STP接口时,RIN+ /RIN- 是使用100Ω阻抗控制。而使用coaxial接口时是使用50Ω阻抗控制,是否 AC电容两端采用不同的阻抗控制?
即电容靠近芯片端RIN+ /RIN- 为差分 100Ω阻抗控制,电容靠近Connector端接的是单端信号,RIN+ 使用50Ω阻抗控制。