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[参考译文] DS280DF810:如何提高 Heo 和 VEO?的值

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请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/interface-group/interface/f/interface-forum/868103/ds280df810-how-to-increase-the-value-of-heo-and-veo

器件型号:DS280DF810

所有通道的 Heo 和 VEO 值在:下列出

finsh>> get_ch_reg (8、0x27)                                                       
CH = 0、val = 0x0d                                                             
CH = 1、val = 0x15                                                             
CH = 2、val = 0x0d                                                             
CH = 3、val = 0x17                                                             
CH = 4、val = 0x0d                                                             
CH = 5、val = 0x16                                                             
CH = 6、val = 0x08                                                             
CH = 7、val = 0x15                                                             
       0、0x00000000                                                           
finsh>> get_ch_reg (8、0x28)                                                       
CH = 0、val = 0x37                                                             
CH = 1、val = 0x5a                                                             
CH = 2、val = 0x3e                                                             
CH = 3、val = 0x4c                                                             
CH = 4、val = 0x3c                                                             
CH = 5、val = 0x60                                                             
CH = 6、val = 0x33                                                             
CH = 7、val = 0x50                                                             
       0、0x00000000

EQ 增益和 VGA 增益已设置。 由于存在位错误、我们应该增加 Heo 和 VEO 的值。

可以设置哪些寄存器来放大 Heo 和 VEO?

  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

    您好!

    水平和垂直眼图张开度是 CTLE 或增益设置和信号振幅的函数。 为了优化这两个参数、最好使用示波器、然后将 CDR 置于旁路模式。 然后优化 CTLE 和信号振幅设置、以在示波器上提供最佳的眼图张开度。

    此致、Nasser