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.
1,衰减电路参考的手册链接 https://wenku.baidu.com/view/a834dd3f5727a5e9856a617c.html 中 2.2章节 Figure 5. Inverting Attenuation Circuit。如下图
2,请教一个关于运放阻抗匹配问题,如下图,R4匹配的是传输线的阻抗,消除反射,R5的作用是什么,是让输出阻抗50欧姆吗?参考TI论坛(e2echina.ti.com/.../83521)中描述。