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多级放大电路的放大倍数等于各级放大倍数的乘积
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多级放大电路的放大倍数等于各级放大倍数的乘积
A、正确
B、错误
正确答案：A
Tag：
电工电子技术
倍数
乘积
时间：2024-11-07 10:40:17
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现有两个稳压管DZ1和DZ2，稳定电压分别是4.5V和9.5V，正向压降都是0.5V，图T44-1电路中的输出电压UO为
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