4410: leave space at the top of suservo graph

4410-4412.tex

@@ -955,11 +955,11 @@ The DDS channel is terminated with 50\textOmega.
         at={(ticklabel* cs:1.05)},
         anchor=south,
     },
-    minor tick num=3,
+    minor x tick num=3,
     grid=both,
     height=8cm,
     width=12cm,
-    ymin=0, ymax=160, ytick={0,16,...,160}, ylabel=DDS RMS Voltage ($mV_{rms}$),
+    ymin=0, ymax=180, ytick={0,16,...,160}, ylabel=DDS RMS Voltage ($mV_{rms}$),
     xmin=-10, xmax=10, xtick={-10,-8,...,10}, xlabel=Sampler Voltage ($V$),
 ]