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HDMI差分时钟jitter cleaner推荐

Other Parts Discussed in Thread: CDCE62002

您好:

现在的问题是基于FPGA 将HDMI转为3G SDI输出,SDI眼图很差,判断应该是HDMI 时钟抖动原因(换成clock generator产生的时钟眼图就很好)。

第一个解决方案是添加lm1982,根据同步信号重建时钟,但面积较大需要加VCO,2.5V电源等周边器件,且成本较高。

第二是直接对HDMI的差分CLK(74.25M和148.5M Hz的两个频率)消除抖动后给FPGA的SERDES,不知哪个芯片更加合适?

请TI大神帮忙推荐,谢谢!

2.97G SDI 眼图如下,2.6UI,,