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I think he tells about the compensation network in the control systems.
Even there there is only lag,lead and lag lead
please be clear about the field of topic.
:?
Sorry that unclear
The compensation network is used in switching power
It looks like a feedback from output
As I said , there are three different types , but how do I decide which one I can use ?
Usually we use the Compensation network to compensate our circuit, let its phase margin is larger than 45 degree (or about) in the loop.
If we don't have it, maybe our circuit will osc.
There are some compensation methods: pole split, zero pole cancelling ..... you can refer to the textbook to understand these method.
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