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any kind or bias circuit?

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paraon00

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wilson current source?
help me~

thanks
 

paraon00

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A.Anand Srinivasan said:
please post your doubt clearly.... so that we can help you.....

I'm so sorry..

I dont know my folded cascode op amp works well because two diode connected NMOS(cascode NMOS) and PMOS(active load) may be wrong design method.

I can't know the type of active current mirror in ths folded cascode op amp.
It seems that Wilson current source is similar to this current source load.
Is my guess right?

My op amp is OK?
 

niezimei

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wrong. The upper should be current mirror rather than current source.
 

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