手册给出的 输出 端接电阻值,对应的是100欧姆传输线。
那么50欧姆传输线对应的端接电阻值是多少呢?
附图如下:
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100ohm终端电阻指的是传输线的阻抗,在靠近接收端加上终端匹配电阻防止信号在传输过程中信号发生反射。 像你说的50ohm的传输线的意思是传输线的阻抗为50ohm,一般单端信号走线的阻抗为50ohm。