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虚地究竟是什么？
2026-06-22
网络整理
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Key Point:运算放大器（运放）电路通常借助虚地进行分析，而虚地在其他拓扑结构中同样存在典型应用场景，差分滤波器分析便是其中一例。本文将对此展开论证，并阐明虚地并非仅仅适用于运放电路。
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