This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
如果要和50欧的电源阻抗进行匹配，且Vin接地，应该怎么匹配？某推荐的图上，是正负输入信号端都用了20欧姆的电阻接地，这样匹配合理吗？
50欧的电源阻抗? 是信号源的阻抗吧,
正负输入信号端都用了20欧姆的电阻接地, 我觉得最佳值应该是 25欧姆的电阻.
信号源输出阻抗为50ohm吧？可直接在输入端端接50ohm电阻到地，如图：
