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如何选择衰减器
更新时间: 2020-09-24 00:00:00  

衰减器的选用主要决定于:衰减器的输入阻抗和衰减率。

如果想要接其它阻抗功放,一定要选择衰减器的阻抗大于或等于功放输出阻抗的衰减器。

选择衰减器的衰减率,要根据你的功放功率范围,选择功率接近,不要用大功率衰减器配小功率功放。同样小功率衰减器配大功放,衰减程度就会不够。

关键词: 如何 选择 衰减

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