有两块电路板LMH0346+LMH0302 输出SDI图像成功,但是LD在有无SDI信号输入时,始终是低电平,LED不亮,利用其他好的电路部分全部替换后,仍然是这一现象,请问是什么原因造成的这一现象? 是否与LF1与LF2之间56nF电容有关,
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有电路图吗?输入的SDI data rate没才超出LMH0346支持的范围吧?建议将rate[1:0配置为00.