update

10_mos.tex

@@ -174,9 +174,9 @@ Notes:
     \item Thinner oxide, lower $V_T$.
 \end{enumerate}
 \subsubsection{Body effect}
-In the case of a non-zero $V_{SB}$, we have to add the following term to the threshold voltage (exercise session 12):
+In the case of a non-zero $V_{SB}$, we have to adjust the threshold voltage:
 \begin{equation}
-    V_{TH} = V_{TH0} + \gamma\left(\sqrt{|-2\phi_p + V_{SB}|} - \sqrt{|-2\phi_p|}\right)
+    V_{TH} = V_{TH0} + \gamma\left(\sqrt{|2\phi_F + V_{SB}|} - \sqrt{|2\phi_F|}\right) \qquad \text{where}\quad \Phi_F = \frac{k T}{q} \ln\left(\frac{N_{sub}}{n_i}\right)
 \end{equation}
 
 \subsection{Strong inversion}