thema4a fertig.
@ -26,6 +26,9 @@
|
|||||||
\myemail{fleischmannma75068@th-nuernberg.de}
|
\myemail{fleischmannma75068@th-nuernberg.de}
|
||||||
\fancyfoot[L]{Keine Gewähr auf Vollständigkeit oder Richtigkeit!}
|
\fancyfoot[L]{Keine Gewähr auf Vollständigkeit oder Richtigkeit!}
|
||||||
|
|
||||||
|
% document variables
|
||||||
|
\newlength{\imagewidth}
|
||||||
|
|
||||||
% DOCUMENT_BEGIN =============================================================================
|
% DOCUMENT_BEGIN =============================================================================
|
||||||
\begin{document}
|
\begin{document}
|
||||||
|
|
||||||
|
BIN
ELK2_FS/img/img_02_00_modell_opv.png
Normal file
After Width: | Height: | Size: 90 KiB |
BIN
ELK2_FS/img/img_02_12_testschaltung_schleifenverstaerkung.png
Normal file
After Width: | Height: | Size: 122 KiB |
BIN
ELK2_FS/img/img_02_13_mitkopplung.png
Normal file
After Width: | Height: | Size: 140 KiB |
BIN
ELK2_FS/img/img_02_13_ruhestromkompensation.png
Normal file
After Width: | Height: | Size: 78 KiB |
BIN
ELK2_FS/img/img_02_14_uio_kompensation.png
Normal file
After Width: | Height: | Size: 83 KiB |
BIN
ELK2_FS/img/img_06_01_gegentaktverstaerker.png
Normal file
After Width: | Height: | Size: 113 KiB |
BIN
ELK2_FS/img/img_06_02_gegentakt_verbessert.png
Normal file
After Width: | Height: | Size: 39 KiB |
BIN
ELK2_FS/img/img_07_MOS_dynamisch.png
Normal file
After Width: | Height: | Size: 68 KiB |
BIN
ELK2_FS/img/img_07_MOS_ohmsch.png
Normal file
After Width: | Height: | Size: 86 KiB |
BIN
ELK2_FS/img/img_07_Millerplateau.png
Normal file
After Width: | Height: | Size: 134 KiB |
@ -27,7 +27,7 @@
|
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% make three column design possible
|
% make three column design possible
|
||||||
% ----------------------------------------------------------------------
|
% ----------------------------------------------------------------------
|
||||||
\newcounter{columnnumber}
|
\newcounter{columnnumber}
|
||||||
\setcounter{columnnumber}{4}
|
\setcounter{columnnumber}{3}
|
||||||
\DeclareOption{threecolumn}{\setcounter{columnnumber}{3}}
|
\DeclareOption{threecolumn}{\setcounter{columnnumber}{3}}
|
||||||
|
|
||||||
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|
||||||
|
@ -1,9 +1,18 @@
|
|||||||
|
\setlength{\imagewidth}{6cm}
|
||||||
|
|
||||||
% ============================================================================================
|
% ============================================================================================
|
||||||
\section{Lineare OPV-Schaltungen, Gegengekoppelte Strukturen}
|
\section{Lineare OPV-Schaltungen, Gegengekoppelte Strukturen}
|
||||||
% ============================================================================================
|
% ============================================================================================
|
||||||
|
|
||||||
\begin{sectionbox}
|
\begin{sectionbox}
|
||||||
|
|
||||||
|
% OPV Modelle
|
||||||
|
% ----------------------------------------------------------------------
|
||||||
|
\subsection{Allgemines Modell}
|
||||||
|
\begin{center}
|
||||||
|
\includegraphics[width = 0.5\columnwidth]{img_02_00_modell_opv}
|
||||||
|
\end{center}
|
||||||
|
|
||||||
% OPV Formeln
|
% OPV Formeln
|
||||||
% ----------------------------------------------------------------------
|
% ----------------------------------------------------------------------
|
||||||
\subsection{Operationsverstärker}
|
\subsection{Operationsverstärker}
|
||||||
@ -28,9 +37,12 @@
|
|||||||
% ----------------------------------------------------------------------
|
% ----------------------------------------------------------------------
|
||||||
\subsection{Standardstruktur}
|
\subsection{Standardstruktur}
|
||||||
|
|
||||||
\begin{center}
|
\pbox{5cm}{\includegraphics[width = 5cm - 1cm]{img_02_01_Standardstruktur}}
|
||||||
\includegraphics[width = 0.5\columnwidth]{img_02_01_Standardstruktur}
|
\parbox{\textwidth - 5cm + 1cm}{
|
||||||
\end{center}
|
% Rückkopplungsfaktor %
|
||||||
|
\begin{bluebox}
|
||||||
|
$\underline{k} = \frac{\underline{u}_k}{\underline{u}_2}\vert_{u_1 = 0} = \frac{-\underline{u}_{id}}{\underline{u}_2}\vert_{u_1 = 0}$
|
||||||
|
\end{bluebox}
|
||||||
|
|
||||||
% Schleifenverstärkung %
|
% Schleifenverstärkung %
|
||||||
Schleifenverstärkung: $\underline{g} = \underline{V}_{ud} \cdot \underline{k}$
|
Schleifenverstärkung: $\underline{g} = \underline{V}_{ud} \cdot \underline{k}$
|
||||||
@ -40,9 +52,10 @@
|
|||||||
|
|
||||||
% Spannungsverstärkung %
|
% Spannungsverstärkung %
|
||||||
\begin{emphbox}
|
\begin{emphbox}
|
||||||
$\underline{a}_V^+ = \frac{\underline{V}_{ud}}{1+\underline{k}\cdot\underline{V}_{ud}}$ \quad \quad\
|
$\underline{a}_V^+ = \frac{\underline{V}_{ud}}{1+\underline{k}\cdot\underline{V}_{ud}}$ \newline
|
||||||
$\underline{a}_V^- = -\frac{\underline{V}_{ud}\cdot(1-\underline{k})}{1+\underline{k}\cdot\underline{V}_{ud}}$\newline
|
$\underline{a}_V^- = -\frac{\underline{V}_{ud}\cdot(1-\underline{k})}{1+\underline{k}\cdot\underline{V}_{ud}}$\newline
|
||||||
\end{emphbox}
|
\end{emphbox}
|
||||||
|
}
|
||||||
|
|
||||||
\subsubsection{Betriebsmodi}
|
\subsubsection{Betriebsmodi}
|
||||||
|
|
||||||
@ -98,65 +111,169 @@
|
|||||||
\begin{emphbox}
|
\begin{emphbox}
|
||||||
$f_g \approx \frac{GBW}{1/|\underline{k}(f_g)|}$
|
$f_g \approx \frac{GBW}{1/|\underline{k}(f_g)|}$
|
||||||
\end{emphbox}
|
\end{emphbox}
|
||||||
\end{sectionbox}
|
|
||||||
|
|
||||||
|
|
||||||
\begin{sectionbox}
|
|
||||||
|
|
||||||
% Standard-Rückkopplungsstruktur
|
|
||||||
% ----------------------------------------------------------------------
|
|
||||||
\subsection{Stabilität von gegengekoppelten OPV-Schaltungen}
|
|
||||||
|
|
||||||
\end{sectionbox}
|
\end{sectionbox}
|
||||||
|
|
||||||
\begin{sectionbox}
|
\begin{sectionbox}
|
||||||
|
|
||||||
% Standard lineare OPV-Schaltungen TODO
|
% Standard-Rückkopplungsstruktur
|
||||||
|
% ----------------------------------------------------------------------
|
||||||
|
\subsection{Stabilität von gegengekoppelten OPV-Schaltungen}
|
||||||
|
$\varphi_R = \varphi(\underline{g}(f_D)) - (-180\degree)$
|
||||||
|
\begin{bluebox}
|
||||||
|
\item Bei negativer Schleifenverstärkung (= Mitkopplung): $\underline{g} < 1$
|
||||||
|
\item Robust stabile Schaltung: $\varphi_R > 45 \degree$
|
||||||
|
\end{bluebox}
|
||||||
|
|
||||||
|
% Testschaltung zur Ermittlung der Schleifenverstärkung
|
||||||
|
% ----------------------------------------------------------------------
|
||||||
|
\subsection{Testschaltung zur Ermittlung der Schleifenverstärkung}
|
||||||
|
\pbox{\imagewidth}{\includegraphics[width = \imagewidth - 1cm]{img_02_12_testschaltung_schleifenverstaerkung}}
|
||||||
|
\parbox{\textwidth - \imagewidth}{
|
||||||
|
$\underline{g} = - \frac{\underline{v}(g\_out)}{\underline{v}(g\_in)}$
|
||||||
|
}
|
||||||
|
|
||||||
|
% Kompensation der Ausgangs-Offset-Spannung
|
||||||
|
% ----------------------------------------------------------------------
|
||||||
|
\subsection{Kompensation der Ausgangs-Offset-Spannung}
|
||||||
|
\pbox{5cm}{\includegraphics[width = 4cm]{img_02_13_ruhestromkompensation}}
|
||||||
|
\pbox{6cm}{\includegraphics[width = 5cm]{img_02_14_uio_kompensation}}
|
||||||
|
\newline
|
||||||
|
\parbox{4cm}{\begin{emphbox} $R^+ = R^-$ \end{emphbox}} \quad\quad\quad
|
||||||
|
\parbox{4cm}{\begin{emphbox} $U_{ID} = U_{IO}$ \end{emphbox}}
|
||||||
|
|
||||||
|
|
||||||
|
% Gegenkopplung und Mitkopplung
|
||||||
|
% ----------------------------------------------------------------------
|
||||||
|
\subsection{Kompensation der Ausgangs-Offset-Spannung}
|
||||||
|
\pbox{\imagewidth}{\includegraphics[width = \imagewidth - 1cm]{img_02_13_mitkopplung}}
|
||||||
|
\parbox{\textwidth - \imagewidth}{
|
||||||
|
% Rückkopplungsfaktor %
|
||||||
|
\begin{bluebox}
|
||||||
|
$\underline{k}
|
||||||
|
= \frac{-\underline{u}_{id}\vert_{u_1 = 0}}{\underline{u}_2} \newline
|
||||||
|
= \frac{\underline{u}(-)-\underline{u}(+)}{\underline{u}_2}\vert_{u_1 = 0} \newline
|
||||||
|
= \underline{k}^{(-)} - \underline{k}^{(+)}$
|
||||||
|
\end{bluebox}
|
||||||
|
|
||||||
|
\begin{emphbox}
|
||||||
|
$\underline{k} = \frac{\underline{Z}_1}{\underline{Z}_1 + \underline{Z}_2} - \frac{\underline{Z}_3}{\underline{Z}_3 + \underline{Z}_4}$
|
||||||
|
\end{emphbox}
|
||||||
|
}
|
||||||
|
|
||||||
|
\end{sectionbox}
|
||||||
|
\newpage
|
||||||
|
\begin{sectionbox}
|
||||||
|
|
||||||
|
% Standard lineare OPV-Schaltungen
|
||||||
% ----------------------------------------------------------------------
|
% ----------------------------------------------------------------------
|
||||||
\subsection{Standard Linearverstärker mit OPV}
|
\subsection{Standard Linearverstärker mit OPV}
|
||||||
\subsubsection{Invertierender Standard Verstärker}
|
\subsubsection{Invertierender Standard Verstärker}
|
||||||
\pbox{4cm}{\includegraphics[width = 3cm]{img_02_02_invertierender_verstaerker}}
|
\pbox{\imagewidth}{\includegraphics[width = \imagewidth - 1cm]{img_02_02_invertierender_verstaerker}}
|
||||||
\parbox{3.5cm}{\begin{emphbox} $f_g \approx \frac{GBW}{1/|\underline{k}(f_g)|}$ \end{emphbox} }
|
\parbox{\textwidth - \imagewidth}{
|
||||||
|
$\underline{a}_V = - \frac{R_2}{R_1}$ \newline
|
||||||
|
$\underline{z}_{in} = R_1$ \newline
|
||||||
|
$\underline{z}_a = (R_1+R_2)||\frac{\underline{z}_{a,OPV}}{1+\underline{k} \cdot \underline{V}_{ud}}$
|
||||||
|
}
|
||||||
|
|
||||||
\subsubsection{Nichtinvertierender Standard Verstärker}
|
\subsubsection{Nichtinvertierender Standard Verstärker}
|
||||||
\pbox{4cm}{\includegraphics[width = 3cm]{img_02_03_nichtinvertierender_verstaerker}}
|
\pbox{\imagewidth}{\includegraphics[width = \imagewidth - 1cm]{img_02_03_nichtinvertierender_verstaerker}}
|
||||||
\parbox{3.5cm}{}
|
\parbox{\textwidth - \imagewidth}{
|
||||||
|
$\underline{a}_V = 1 + \frac{R_2}{R_1}$ \newline
|
||||||
|
$\underline{z}_{in} = \underline{z}_{id} \cdot (1+\underline{k} \cdot \underline{V}_{ud})$ \newline
|
||||||
|
$\underline{z}_a = (R_1+R_2)||\frac{\underline{z}_{a,OPV}}{1+\underline{k} \cdot \underline{V}_{ud}}$
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
\subsubsection{Spannungsfolger, Impedanzwandler}
|
\subsubsection{Spannungsfolger, Impedanzwandler}
|
||||||
\pbox{4cm}{\includegraphics[width = 3cm]{img_02_04_impedanzwandler}}
|
\pbox{\imagewidth}{\includegraphics[width = {\imagewidth - 2cm}]{img_02_04_impedanzwandler}}
|
||||||
\parbox{3.5cm}{}
|
\parbox{\textwidth - \imagewidth}{
|
||||||
|
$\underline{a}_V = 1$ \newline
|
||||||
|
$\underline{z}_{in} = \underline{z}_{id} \cdot (1 + 1 \cdot \underline{V}_{ud})$ \newline
|
||||||
|
$\underline{z}_a = \frac{\underline{z}_{a,OPV}}{1 + 1 \cdot \underline{V}_{ud}}$
|
||||||
|
}
|
||||||
|
|
||||||
\subsubsection{Integrierer}
|
\subsubsection{Integrierer}
|
||||||
\pbox{4cm}{\includegraphics[width = 3cm]{img_02_05_integrierer}}
|
\pbox{\imagewidth}{\includegraphics[width = \imagewidth - 1cm]{img_02_05_integrierer}}
|
||||||
\parbox{3.5cm}{}
|
\parbox{\textwidth - \imagewidth + 1cm}{
|
||||||
|
$U_2(t)= -\frac{1}{R \cdot C} \cdot \int_0^t U_1(t) \cdot dt + U_2(0)$ \newline
|
||||||
|
$\frac{U_2(s)}{U_1(s)} = - \frac{1}{s \cdot R \cdot C}$ \newline
|
||||||
|
$\underline{a}_V = - \frac{1}{j\omega \cdot R \cdot C}$ \newline
|
||||||
|
$\underline{z}_{in} = R$ \newline
|
||||||
|
$\underline{z}_a = (\frac{1}{j\omega \cdot C}+R)||\frac{\underline{z}_{a,OPV}}{1+\underline{k} \cdot \underline{V}_{ud}}$
|
||||||
|
}
|
||||||
|
|
||||||
\subsubsection{Differentiator (Differenzierer)}
|
\subsubsection{Differentiator (Differenzierer)}
|
||||||
\pbox{4cm}{\includegraphics[width = 3cm]{img_02_06_differenzierer}}
|
\pbox{\imagewidth}{\includegraphics[width = \imagewidth - 1cm]{img_02_06_differenzierer}}
|
||||||
\parbox{3.5cm}{}
|
\parbox{\textwidth - \imagewidth}{
|
||||||
|
$U_2(t) \approx - R_2 \cdot C_1 \cdot \frac{U_1(t)}{dt}$ \newline
|
||||||
\subsubsection{Summierer (Invertierend)}
|
$\frac{U_2(s)}{U_1(s)} = - s \cdot R_2 \cdot C_1$ \newline
|
||||||
\pbox{4cm}{\includegraphics[width = 3cm]{img_02_07_summierer}}
|
$\underline{a}_V \approx - j\omega \cdot R_2 \cdot C_1$ \newline
|
||||||
\parbox{3.5cm}{}
|
$\underline{z}_{in} \approx \frac{1}{j\omega \cdot C_1}$
|
||||||
|
}
|
||||||
\subsubsection{Differenzverstärker (aktiver Subtrahierer, einfache Struktur)}
|
\begin{emphbox}
|
||||||
\pbox{4cm}{\includegraphics[width = 3cm]{img_02_08_differenzverstaerker}}
|
für $\varphi_R = 45\degree$ : $R_1 = \frac{1}{f_D\cdot 2 \pi \cdot C_1} = \frac{1}{2\pi \cdot C_1 \cdot \sqrt{\frac{GBW}{2\pi \cdot R_2 \cdot C_1}}}$
|
||||||
\parbox{3.5cm}{}
|
\end{emphbox}
|
||||||
|
|
||||||
|
|
||||||
\subsubsection{Instrumentenverstärker (verbesserter Differenzverstärker)}
|
|
||||||
\pbox{4cm}{\includegraphics[width = 3cm]{img_02_09_instrumentenverstaerker}}
|
|
||||||
\parbox{3.5cm}{}
|
|
||||||
|
|
||||||
\end{sectionbox}
|
\end{sectionbox}
|
||||||
%Force column break
|
%Force column break
|
||||||
\begin{sectionbox}
|
\begin{sectionbox}
|
||||||
|
|
||||||
|
|
||||||
|
\subsubsection{Summierer (Invertierend)}
|
||||||
|
\pbox{\imagewidth}{\includegraphics[width = \imagewidth - 1cm]{img_02_07_summierer}}
|
||||||
|
\parbox{\textwidth - \imagewidth}{
|
||||||
|
$\underline{a}_{V,i} = \frac{R_2}{R_1}$ \newline
|
||||||
|
$\underline{z}_{in,i} = R_1$ \newline
|
||||||
|
$\underline{z}_a = (R_2+\frac{R_1}{n})||\frac{\underline{z}_{a,OPV}}{1 + \underline{k} \cdot \underline{V}_{ud}}$
|
||||||
|
}
|
||||||
|
|
||||||
|
\subsubsection{Differenzverstärker (aktiver Subtrahierer, einfache Struktur)}
|
||||||
|
\pbox{5cm}{\includegraphics[width = 5cm - 1cm]{img_02_08_differenzverstaerker}}
|
||||||
|
\parbox{\textwidth - 5cm + 1cm}{
|
||||||
|
$\underline{u}_2 = -\frac{R_2}{R_1}\cdot \underline{u}_{in2}$ \newline $+ \frac{R_1+R_2}{R1}\cdot\frac{R_4}{R_3+R_4}\cdot\underline{u}_{in1}$ \newline
|
||||||
|
$\underline{z}_{in1} = R_3 + R_4$ \newline
|
||||||
|
$\underline{z}_{in2} = R_1 \big \vert _{\underline{u}_{in1}=0} = R_1$ \newline
|
||||||
|
\begin{emphbox}
|
||||||
|
Für $R_3=R_1$ und $R_4=R_2$ : \newline
|
||||||
|
$\underline{u}_2 = \frac{R_2}{R_1}\cdot(\underline{u}_{in1} - \underline{u}_{in2})$
|
||||||
|
\end{emphbox}
|
||||||
|
}
|
||||||
|
|
||||||
|
\subsubsection{Instrumentenverstärker (verbesserter Differenzverstärker)}
|
||||||
|
\pbox{\imagewidth}{\includegraphics[width = \imagewidth - 1cm]{img_02_09_instrumentenverstaerker}}
|
||||||
|
\parbox{\textwidth - \imagewidth + 1cm}{
|
||||||
|
$\underline{u}_{out1} = (1+\frac{R_2}{R_1}) \cdot \underline{u}_{in1} - \frac{R_2}{R_1} \cdot \underline{u}_{in2}$ \newline
|
||||||
|
$\underline{u}_{out2} = (1+\frac{R_2}{R_1}) \cdot \underline{u}_{in2} - \frac{R_2}{R_1} \cdot \underline{u}_{in1}$ \newline
|
||||||
|
$\underline{u}_2 = \frac{R_4}{R_3} \cdot (1+2\cdot \frac{R_2}{R_1})\cdot (\underline{u}_{in1} - \underline{u}_{in2})$ \newline \newline
|
||||||
|
$\underline{z}_{in1,2} \to \infty$
|
||||||
|
}
|
||||||
|
|
||||||
\subsubsection{Spannungsgesteuerte Stromquelle ($G_m$)}
|
\subsubsection{Spannungsgesteuerte Stromquelle ($G_m$)}
|
||||||
\pbox{4cm}{\includegraphics[width = 3cm]{img_02_10_stromquelle}}
|
\pbox{\imagewidth}{\includegraphics[width = \imagewidth - 2cm]{img_02_10_stromquelle}}
|
||||||
\parbox{3.5cm}{}
|
\parbox{\textwidth - \imagewidth}{
|
||||||
|
$\underline{u}_1 = \underline{u}_2 \cdot (1-\frac{R_4 \cdot R_1}{R_3 \cdot R_2}+\frac{R_1}{R_L})$ \newline
|
||||||
|
\begin{emphbox}
|
||||||
|
Für $\frac{R_4}{R_3} = \frac{R_2}{R_1}$: \quad\
|
||||||
|
$i_2 = \frac{1}{R_1} \cdot u_1$
|
||||||
|
\end{emphbox}
|
||||||
|
}
|
||||||
|
|
||||||
\subsubsection{Negativ-Impedanz-Konverter (NIC)}
|
\subsubsection{Negativ-Impedanz-Konverter (NIC)}
|
||||||
\pbox{4cm}{\includegraphics[width = 3cm]{img_02_11_NIC}}
|
\pbox{0.7\imagewidth}{\includegraphics[width = 0.7\imagewidth - 1cm]{img_02_11_NIC}}
|
||||||
\parbox{3.5cm}{}
|
\parbox{\textwidth - 0.7\imagewidth}{
|
||||||
|
$\underline{z}_1 = -\underline{Z} \cdot \frac{R_1}{R_2}$
|
||||||
|
\begin{emphbox}
|
||||||
|
Für $R_1 = R_2$: \quad\
|
||||||
|
$\underline{z}_1 = -\underline{Z}$
|
||||||
|
\end{emphbox}
|
||||||
|
}
|
||||||
|
|
||||||
\end{sectionbox}
|
\end{sectionbox}
|
||||||
|
|
||||||
|
\begin{sectionbox}
|
||||||
|
|
||||||
|
% Filter
|
||||||
|
% ----------------------------------------------------------------------
|
||||||
|
\subsection{Filter-Grundschaltungen mit OPV}
|
||||||
|
%TODO
|
||||||
|
\end{sectionbox}
|
||||||
|