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DivyaSep
Member • Jul 28, 2015
A doubt in MOSFET/ CMOS fabrication
I
![cmos](https://data.crazyengineers.com/old-attachments/17/17727-cmos.PNG)
I found these two diagrams Now my doubt is that in the first NMOS diagram the p-substrate is directly taken as base but in the second CMOS diagram p+ is taken as base what might be the reason for that?
![nmos](https://data.crazyengineers.com/old-attachments/17/17726-nmos.gif)
I found these two diagrams Now my doubt is that in the first NMOS diagram the p-substrate is directly taken as base but in the second CMOS diagram p+ is taken as base what might be the reason for that?