Question about body effect on transistor

[Irfansw07]

Can anybody please tell me the difference between the two figure of the NMOS transistor and what does body of each transistor determines about each transostor output....

Thanks in advance

 

[subharpe]

Can you make out a bigger and clearer picture?
It is difficult to see what is what.

 

[ralph007]

the top transistor in fig. 1 requires a triple well process to isolate its body from the underlying p-type substrate (body of bottom transistor).

fig.2 can use a simpler process but suffers from body effect.

 

[calculus_cuthbert]

For the first figure: the body effect is eliminated by a triple well process whereas in the second figure body effect is present

Body effect affects the threshold voltage of the transistor; in this case the NMOS. In simpler words a larger gate source voltage is required to turn ON the transistor