more methodology

Doc/main.tex

@@ -85,7 +85,17 @@
     Each of the characteristics have been tested at two different output voltages
     and various load currents. The different voltages are $7V$ and $3.3V$. The 
     chosen load currents are $10$, $20$, $30$, $40$ and $50 mA$. These values 
-    were chosen to give characterize the circuit over a broad range of conditions.
+    were chosen to characterize the circuit over a broad range of conditions.
+
+    For all tests, the data was handled in a simular way. For test 2 through 4,
+    an oscilloscope was set up on the output voltage. The probe was set to 
+    10x attenuation to minimize it's influence on the circuit. The oscilloscope's 
+    settings are set to get the signal full screen, and the acquire settings were 
+    adjusted so that it would store 20,000 points. Then, at each measurement 
+    .csv (comma seperated values) was stored on a USB drive. 
+    
+    After the measurements were collected, they were processed using a python 
+    script. The major functions are listed at each test.
 
 
   \subsection{Efficiency} \label{section:efficiency}
@@ -96,10 +106,10 @@
       \label{fig:schematic_efficiency}
     \end{Figure}
     To measure the efficiency of the circuit, four measurements were taken.
-    A current and a voltage measurement were taken at the supply and load
+    A current and a voltage measurement were taken at the supply and load,
     respectively. The measurements were taken as shown in figure 
     \ref{fig:schematic_efficiency}. The energy used by the supply and the load 
-    can be calculated using the equation \ref{eq:power}. Then, using equation
+    can be calculated using equation \ref{eq:power}. Then, using equation
     \ref{eq:efficiency}, efficiency can be calculated.
     \begin{equation}
       \label{eq:power}
@@ -237,7 +247,7 @@ for data in all_data:
     # get the frequency of the maximum
     output_freq.append(x[max_idx])
 
-return [output_load, output_freq]
+return output_freq
 \end{lstlisting}
 
   \subsection{Start up} \label{section:start_up}
@@ -251,7 +261,7 @@ return [output_load, output_freq]
     One problem that occured during the measurements, is that the aforementioned 
     ripples and noise would cause erroneous readings. As such, the signal was
     filtered using a low pass filter, reducing the high frequencies from the 
-    measurement. 
+    signal. 
 
 \begin{lstlisting}[language=python, caption={LPF snippet}]
 initial = data[3][0]