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85问答库 > 那个电路里面，连接输入端的是并联还是串啊？

那个电路里面，连接输入端的是并联还是串啊？

2025-04-08 01:20:20

推荐回答（1个）

回答1：

从传递信号的角度看，连接输出端与输入端的阻抗，构成了串联反馈，没有并联。
但是，计算输入输出阻抗的时候，因为信号源相当于短路，有时会被看成阻抗并联。
所以，谈信号关系，上面的电路一定是串联反馈。计算输入阻抗，另外考虑。

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