start on this

This commit is contained in:
Robin Clark 2011-06-02 18:57:18 +01:00
parent b079e75c4e
commit dae940d02b
14 changed files with 19 additions and 17 deletions

View File

@ -1,4 +1,4 @@
DIA_IMAGES = dc1.png fg1b.png fgampa.png fgamp.png opamp.png fg1a.png fg1.png fgampb.png op1.png DIA_IMAGES = dc1.png inv.png fg1b.png fgampa.png fgamp.png opamp.png fg1a.png fg1.png fgampb.png op1.png
# #
# #
# #

BIN
invopamp/dc1.dia Normal file

Binary file not shown.

BIN
invopamp/fg1.dia Normal file

Binary file not shown.

BIN
invopamp/fg1a.dia Normal file

Binary file not shown.

BIN
invopamp/fg1b.dia Normal file

Binary file not shown.

BIN
invopamp/fgamp.dia Normal file

Binary file not shown.

BIN
invopamp/fgampa.dia Normal file

Binary file not shown.

BIN
invopamp/fgampb.dia Normal file

Binary file not shown.

BIN
invopamp/inv.dia Normal file

Binary file not shown.

View File

@ -5,17 +5,18 @@
{ {
\abstract{ \abstract{
This paper analyses an inverting op-amp This paper analyses an inverting op-amp
configuration, with the opamp and gain resistors using the FMMD configuration %, with the opamp and gain resistors
using the FMMD
methodology. methodology.
% %
It has five base components, ifour resistors %two resistors programming gain, two programming a reference, or virtual ground voltage It has five base components, four resistors %two resistors programming gain, two programming a reference, or virtual ground voltage
and one op-amp. and one op-amp.
Two resistors are used as a current balance/virtual ground to program the gain Two resistors are used as a current balance/virtual ground to program the gain
of the amplifier, and another pair to set the reference or virtual ground voltage. of the amplifier, and another pair to set the reference or virtual ground voltage.
We consider two of the resistors as a functional group, a potential divider We consider two of the resistors as a functional group, a potential divider
where their function is to operate as a virtual ground volatge reference. where their function is to operate as a virtual ground voltage reference.
The gain resistors work with the op-amp to determeine the gain characteristics. The gain resistors work with the op-amp to determine the gain characteristics.
% %
The base component error modes of the The base component error modes of the
components are used to model the amplifier from components are used to model the amplifier from
@ -35,17 +36,18 @@ amplifier determined.
} }
{ {
This chapter analyses an inverting op-amp This chapter analyses an inverting op-amp
configuration, with the opamp and gain resistors using the FMMD configuration %, with the opamp and gain resistors
using the FMMD
methodology. methodology.
% %
It has five base components, ifour resistors %two resistors programming gain, two programming a reference, or virtual ground voltage It has five base components, four resistors % two resistors programming gain, two programming a reference, or virtual ground voltage
and one op-amp. and one op-amp.
Two resistors are used as a current balance/virtual ground to program the gain Two resistors are used as a current balance/virtual ground to program the gain
of the amplifier, and another pair to set the reference or virtual ground voltage. of the amplifier, and another pair to set the reference or virtual ground voltage.
We consider two of the resistors as a functional group, a potential divider We consider two of the resistors as a functional group, a potential divider
where their function is to operate as a virtual ground volatge reference. where their function is to operate as a virtual ground voltage reference.
The gain resistors work with the op-amp to determeine the gain characteristics. The gain resistors work with the op-amp to determine the gain characteristics.
% %
The base component error modes of the The base component error modes of the
components are used to model the amplifier from components are used to model the amplifier from
@ -65,16 +67,16 @@ 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}[pp.178]) is shown in figure \ref{fig:invamp}.
% \begin{figure}[h] \begin{figure}[h]
% \centering \centering
% \includegraphics[width=200pt,keepaspectratio=true]{./invopamp/noninv.png} \includegraphics[width=200pt,keepaspectratio=true]{./invopamp/inv.png}
% % noninv.jpg: 341x186 pixel, 72dpi, 12.03x6.56 cm, bb=0 0 341 186 % noninv.jpg: 341x186 pixel, 72dpi, 12.03x6.56 cm, bb=0 0 341 186
% \caption{Standard non inverting amplifier configuration} \caption{inverting amplifier configuration with potential divider for reference/virtual ground}
% \label{fig:noninvamp} \label{fig:noninvamp}
% \end{figure} \end{figure}

BIN
invopamp/noninv.dia Normal file

Binary file not shown.

BIN
invopamp/noninvampa.dia Normal file

Binary file not shown.

BIN
invopamp/op1.dia Normal file

Binary file not shown.

BIN
invopamp/opamp.dia Normal file

Binary file not shown.