current mirror matching

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nsai

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hello

want to match 4 transistors.what is the good combination


thanks
 

Do you mean you want 4 current sources or one? Are you meaning cascode mirrors or common centroid?

Keith
 

i want to match current mirror
 

AB
BA

ABAB

Do you mean this? If just centroid

Alvays
 

i want to match 4 current sources
and also two diff pairs
 

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