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diff --git a/submission_thesis/CH5_Examples/copy.tex b/submission_thesis/CH5_Examples/copy.tex
index 11bd174..4c7cc6d 100644
--- a/submission_thesis/CH5_Examples/copy.tex
+++ b/submission_thesis/CH5_Examples/copy.tex
@@ -1647,6 +1647,18 @@ The more we can modularise, the more we decimate the $O(N^2)$ effect
 of complexity comparison.
 
 
+\section{Sigma Delta Analogue to Digital Converter ($\Sigma \Delta $ADC)}
+
+The following example shows the analysis of a mixed analogue and digital circuit.
+\begin{figure}[h]
+ \centering
+ \includegraphics[width=200pt]{./CH5_Examples/circuit4004.png}
+ % circuit4004.png: 562x389 pixel, 72dpi, 19.83x13.72 cm, bb=0 0 562 389
+ \caption{Sigma Delta Analogue to Digital Converter}
+ \label{fig:sigmadelta}
+\end{figure}
+
+
 
 \section{PT100 Analysis: Double failures and MTTF statistics}
 {
@@ -1956,7 +1968,7 @@ will be determined by the accuracy of $R_2$ and $R_{3}$. It is reasonable to
 take the mean square error of these accuracy figures~\cite{easp}.
 
 
-\paragraph{Single Fault FMEA Analysis \\ of PT100 Four wire circuit}
+\paragraph{Single Fault FMEA Analysis  of PT100 Four wire circuit}
 
 
 \ifthenelse {\boolean{pld}}
@@ -1988,7 +2000,7 @@ for the circuit shown in figure \ref{fig:vd}.
 
 
 
-\paragraph{Proof of Out of Range \\ Values for Failures}
+\paragraph{Proof of Out of Range  Values for Failures}
 \label{pt110range}
 Using the temperature ranges defined above we can compare the voltages
 we would get from the resistor failures to prove that they are
@@ -2430,13 +2442,6 @@ This shorts the sense+ to Vcc and the sense- to ground.
 Both values will be out of range.
 
 
-
-
-
-
-
-
-
 \paragraph{ TC 13 : Voltages $R_1$ SHORT $R_3$ OPEN }
 
 This shorts the sense+ to Vcc and the sense- to ground.