您好,我们想在FPGA和tlk2711之间用ds125mb203的fan out功能。信号流向如下:FPGA----(AC capacitor)---》ds125MB203-----(AC capacitor)--》tlk2711。ds125MB203 和 tlk2711之间交流耦合。tlk2711是VML输入,内部有50ohm上拉到Vcmt。上述方案是否可行? 在设计时ds125MB203的输出端和tlk2711的输入端是否还要加外部的上拉电阻。谢谢!!
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您好,我们想在FPGA和tlk2711之间用ds125mb203的fan out功能。信号流向如下:FPGA----(AC capacitor)---》ds125MB203-----(AC capacitor)--》tlk2711。ds125MB203 和 tlk2711之间交流耦合。tlk2711是VML输入,内部有50ohm上拉到Vcmt。上述方案是否可行? 在设计时ds125MB203的输出端和tlk2711的输入端是否还要加外部的上拉电阻。谢谢!!