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本文描述用运放制作的积分器在减少直流电源的高频噪声方面并不很有效,当受到高频噪声影响时,它似乎起着微分器的作用。这种现象是由于输入线和直流电源的快速瞬态噪声对运放作用的结果。
This article describes that an integrator made with an op amp is not very effective at reducing the high frequency noise of a dc power supply and appears to act as a differentiator when subjected to high frequency noise. This phenomenon is due to the effects of fast transient noise on the input line and DC supply on the op amp.