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stability vs gain testing in ltspice

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yef smith

Joined Aug 2, 2020
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Hello, there is the following structure (shown in the article )I want to simulate using ltspice tsmc180nm pdk.
However as you can see there is a pole compensation which is basickaly a feedback structure .
So I have a dillema:
we have here a open loop circuit which cannot be unstable,so why are we doing a pole compensation if this structure cannot start oscilating.

could you give me an update to a structure which I could test the closed loop stability vs gain ?
Thanks.

https://www.mdpi.com/2079-9292/12/11/2361
1760343899693.png
 
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