started on sigma delta

most of it is done in hand drawn
in my book
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robin 2012-04-01 16:32:19 +01:00
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@ -1647,6 +1647,18 @@ The more we can modularise, the more we decimate the $O(N^2)$ effect
of complexity comparison. 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} \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}. 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}} \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} \label{pt110range}
Using the temperature ranges defined above we can compare the voltages Using the temperature ranges defined above we can compare the voltages
we would get from the resistor failures to prove that they are 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. Both values will be out of range.
\paragraph{ TC 13 : Voltages $R_1$ SHORT $R_3$ OPEN } \paragraph{ TC 13 : Voltages $R_1$ SHORT $R_3$ OPEN }
This shorts the sense+ to Vcc and the sense- to ground. This shorts the sense+ to Vcc and the sense- to ground.