layout a small bias current

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jojoyce

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Hi all,

I am thinking using 2uA current as bias current in current mirror. Is there any potential risk and how can I do some improvement in the layout. Thanks

Jojoyce
 

That's OK
Mmaybe you should be careful not make the transistor work in the subthreshold region. and if the bias need to be established very quickly, then the transistor should not be two large, because it will make large parasitic capacitance.
 

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