add front panel pictures to MCX/LVDS-TTL

Using pdfs originated in the webpage drawings instead.

2238.tex

@@ -467,7 +467,8 @@ This card can achieve higher speed and lower jitter than the isolated 2118/2128
 
 \begin{figure}[hbt!]
     \centering
-    \includegraphics[width=3.6in]{photo2238.jpg}
+    \includegraphics[height=1.8in]{DIO_MCX_FP.pdf}
+    \includegraphics[height=2in]{photo2238.jpg}
     \caption{MCX-TTL Card photo}
 \end{figure}
 

2245.tex

@@ -327,7 +327,8 @@ Only shielded Ethernet Cat-6 cables should be connected.
 
 \begin{figure}[hbt!]
     \centering
-    \includegraphics[width=1.5in]{photo2245.jpg}
+    \includegraphics[height=2.1in]{DIO_RJ45_FP.pdf}
+    \includegraphics[height=2.1in]{photo2245.jpg}
     \caption{LVDS-TTL Card photo}
 \end{figure}