其中Vop是运算放大器的交流输出电压。假设这是一个完美的运算放大器,电压则被定义为:
Zf 和 Zi 是图6中所圈部分的阻抗。从这两个网络中,我们可用快速分析电路技术参考文献[8]来推断我们想要的博马国际娱乐平台零点的位置。在Vout有激励的情况下,需要怎样的Zf 和 Zi 阻抗组合,才能使输出VFB为零?
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