5432: add setup for FEXT plot

Updates #28.

5432.tex

@@ -207,6 +207,14 @@ Output noise are measured after 15 cm IDC cable, IDC-SMA, 100 cm coax ($\sim$50
     \caption{Step response (switching from +10V to -10V)}
 \end{figure}
 
+Far-end crosstalk is measured using the following setup.
+
+\begin{enumerate}
+    \item CH1 as aggressor, CH0 as victim
+    \item CH0, 2-7 terminated, CH 8-31 open
+    \item Aggressor signal from BNC passed through 15cm IDC26, 2m HD68-HD68 SCSI-3 shielded twisted pair, 15cm IDC26, converted back to BNC with adapters between all different cables \& connectors.
+\end{enumerate}
+
 \begin{figure}[hbt!]
     \centering
     \includegraphics[width=3.3in]{zotino_fext.png}