deletions | additions       diff --git a/subsection_Equivalent_Noise_Bandwidth_ENBW__.tex b/subsection_Equivalent_Noise_Bandwidth_ENBW__.tex  index be6641b..33e4103 100644  --- a/subsection_Equivalent_Noise_Bandwidth_ENBW__.tex  +++ b/subsection_Equivalent_Noise_Bandwidth_ENBW__.tex 
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In order to make a more accurate calculation, an equation that corrects for the actual bandwidth has been derived (\href{http://media4.physics.indiana.edu/~courses/p451/background_info/TeachSpin_Manual_Noise_Fundamentals.pdf}{TeachSpin Manual 7.3}) to be:  \begin{equation}  \label{eq:ENBW1} \label{eq:EquivalentNBW}  ENBW=f_c \frac{\pi}{4\sigma}=f_c \frac{\pi Q}{2}  \end{equation}  where $f_c$ is the corner frequency, and $Q$ is the quality factor of the filter. For the High Level Electronics (NF172) instrument provided by TEACHSPIN, a conversion chart for the corner frequency $f_c$ and the quality factor for both the high frequency filter and low frequency filter are available.