diff --git a/noninvopamp/noninvopamp.tex b/noninvopamp/noninvopamp.tex
index 2a77ba0..3c6c759 100644
--- a/noninvopamp/noninvopamp.tex
+++ b/noninvopamp/noninvopamp.tex
@@ -61,7 +61,7 @@ amplifier determined.
 
 
 
-A standard non inverting  op amp (from ``The Art of Electronics'' ~\cite{aoe}[pp.234]) is shown in figure \ref{fig:noninvamp}.
+A standard non inverting  op amp (from ``The Art of Electronics'' ~\cite{aoe}[p.234]) is shown in figure \ref{fig:noninvamp}.
 
 
 \begin{figure}[h]
diff --git a/opamp_circuits_C_GARRETT/circuit1001.png b/opamp_circuits_C_GARRETT/circuit1001.png
new file mode 100644
index 0000000..c626ebf
Binary files /dev/null and b/opamp_circuits_C_GARRETT/circuit1001.png differ
diff --git a/opamp_circuits_C_GARRETT/circuit2002.png b/opamp_circuits_C_GARRETT/circuit2002.png
new file mode 100644
index 0000000..7e96b90
Binary files /dev/null and b/opamp_circuits_C_GARRETT/circuit2002.png differ
diff --git a/opamp_circuits_C_GARRETT/circuit3003.png b/opamp_circuits_C_GARRETT/circuit3003.png
new file mode 100644
index 0000000..855ca00
Binary files /dev/null and b/opamp_circuits_C_GARRETT/circuit3003.png differ
diff --git a/opamp_circuits_C_GARRETT/opamps.tex b/opamp_circuits_C_GARRETT/opamps.tex
new file mode 100644
index 0000000..8c2aae6
--- /dev/null
+++ b/opamp_circuits_C_GARRETT/opamps.tex
@@ -0,0 +1,65 @@
+\documentclass[a4paper,10pt]{article}
+\usepackage[utf8x]{inputenc}
+\usepackage{graphicx}
+\usepackage{fancyhdr}
+\usepackage{tikz} 
+\usetikzlibrary{shapes,snakes}
+\usetikzlibrary{shapes.gates.logic.US,trees,positioning,arrows}
+\usepackage{subfigure}
+\usepackage{amsfonts,amsmath,amsthm}
+\usepackage{algorithm}
+\usepackage{algorithmic}
+\usepackage{lastpage}
+%\usepackage{glossary}
+%opening
+\title{Example OPAMP circuits}
+\author{Robin}
+
+\begin{document}
+
+\maketitle
+
+\begin{abstract}
+Circuits from email conversation.
+Not a document to be proof read.
+Proof of analysis concept.
+\end{abstract}
+\clearpage
+\section{Op-Amp circuit 1}
+
+\begin{figure}[h]
+ \centering
+ \includegraphics[width=200pt]{/home/robin/projects/thesis/opamp_circuits_C_GARRETT/circuit1001.png}
+ % circuit1001.png: 420x300 pixel, 72dpi, 14.82x10.58 cm, bb=0 0 420 300
+ \caption{Circuit 1}
+ \label{fig:circuit1}
+\end{figure}
+
+
+
+\clearpage
+\section{Op-Amp circuit 2}
+
+
+  \begin{figure}[h]
+ \centering
+ \includegraphics[width=200pt]{./circuit2002.png}
+ % circuit2002.png: 575x331 pixel, 72dpi, 20.28x11.68 cm, bb=0 0 575 331
+ \caption{circuit2}
+ \label{fig:circuit2}
+\end{figure}
+
+
+\clearpage
+\section{Op-Amp circuit 3}
+
+ \begin{figure}[h]
+ \centering
+ \includegraphics[width=200pt]{/home/robin/projects/thesis/opamp_circuits_C_GARRETT/circuit3003.png}
+ % circuit3003.png: 503x326 pixel, 72dpi, 17.74x11.50 cm, bb=0 0 503 326 
+\caption{Circuit 3}
+ \label{fig:circuit3}
+\end{figure}
+
+
+\end{document}