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How to level shift a voltage by Vthn0?

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zxcynosure

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I want to level shift one voltage Vin up by one Vthn0 (threshold voltage of NMOS when Vgs=0), I am not sure how to use NMOS to realize it? Thank you very much!
 

vbhupendra

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i m not sure but u can use source follower and then summer to do your job.
 

zxcynosure

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thanks vbhupendra. yes, by using SF, voltage can be shift up by Vgs or several Vgs, but one problem, how to avoid the body effect. conventional process donot support isolated p-well, i think that is a problem.
 

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