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stability of chopper amplifier

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iamxo

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Does anyone know how to analyze the stability of chopper amplifier?
suppose the chopper amplifier has 3 stages.

if we just remove the chopper switch, and analyze the stability of the rest circuit, is it ok?

please help me.
Thanks.
 

for a system to become unstable the feedback should be 180 degrees... the chopper part doesnt reach this condition especially it is negative feedback...

i have not met this problem... but i'm kinda sure...
 

Maybe you can run the transisent analyis and do the ac analysis to check the stabilty by using .op time
 

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