From: hadaq Date: Sat, 1 Dec 2012 23:17:19 +0000 (+0000) Subject: RL: Quick Start guide integrated X-Git-Url: https://jspc29.x-matter.uni-frankfurt.de/git/?a=commitdiff_plain;h=5ca0ea8ce515edbcf089ef2f903d8e6207e0a687;p=daqdocu.git RL: Quick Start guide integrated --- diff --git a/trb3/TdcBuildingBlocks.tex b/trb3/TdcBuildingBlocks.tex index c4a5505..95589a4 100644 --- a/trb3/TdcBuildingBlocks.tex +++ b/trb3/TdcBuildingBlocks.tex @@ -31,7 +31,7 @@ In each TDC channel the measurement result of the fine time measurement block is \label{eq:tdcDeltaT} \end{minipage}} \vspace{-0.2cm} - \caption{\subref{fig:tdcTimeDiff} Illustration of two time measurements and \subref{eq:tdcDeltaT} calculation of the time interval between them.} +% \caption{\subref{fig:tdcTimeDiff} Illustration of two time measurements and \subref{eq:tdcDeltaT} calculation of the time interval between them.} \label{fig:tdcDeltaTime} \end{figure} @@ -73,7 +73,8 @@ For an FPGA TDC, digital calibration has to be applied to the raw data. Bin-by-b \begin{equation} BW=n\times\frac{T_o}{N} \end{equation} -where $n$ is the actual number of hits of the bin and $N$ is the total number of hits. Using this calculation and the DNL histogram, which is already calculated, a \textit{Look-Up Table} (LUT)\footnote{A lookup table is used to display information, which is recorded previously, corresponding to an individual input.} is created to store the time values of each bin. The corresponding time value for each bin is the middle point of the bin width values. The time value of the first bin is the half of the bin width of the first bin. For the second bin, it is the summation of the bin width value of the first bin and half of the bin width value of the second bin, and so on. After creating the LUT this is used for subsequent measurements. An example of calibrated and uncalibrated time values are shown in \autoref{fig:calibration}. As may be seen from the graph, the quantisation levels of the calibrated data are distributed along the time more evenly than the uncalibrated data quantisation steps. As these quantisation steps effect the non-linearities of the TDC, calibration has lowers the non-linearity values. +where $n$ is the actual number of hits of the bin and $N$ is the total number of hits. Using this calculation and the DNL histogram, which is already calculated, a \textit{Look-Up Table} (LUT)\footnote{A lookup table is used to display information, which is recorded previously, corresponding to an individual input.} is created to store the time values of each bin. The corresponding time value for each bin is the middle point of the bin width values. The time value of the first bin is the half of the bin width of the first bin. For the second bin, it is the summation of the bin width value of the first bin and half of the bin width value of the second bin, and so on. After creating the LUT this is used for subsequent measurements. An example of calibrated and uncalibrated time values are shown in \autoref{fig:calibration}. As may be seen from the graph, the quantisation levels of the calibrated data are distributed along the time more evenly than the uncalibrated data quantisation steps. As these quantisation +steps effect the non-linearities of the TDC, calibration has lowers the non-linearity values. \begin{figure}[htp] \centering diff --git a/trb3/main.tex b/trb3/main.tex index f65f12f..43de791 100755 --- a/trb3/main.tex +++ b/trb3/main.tex @@ -3,6 +3,8 @@ %Einstellungen der Seitenr?nder \usepackage[left=3.5cm,right=3cm,top=2.5cm,bottom=2.5cm,includeheadfoot]{geometry} +\input{trb3qs_preamble} + \usepackage[utf8]{inputenc} \usepackage{amsfonts} \usepackage[american]{babel} @@ -29,7 +31,6 @@ \usepackage[caption=false]{subfig} \usepackage{amsmath} - \definecolor{darkblue}{rgb}{.1,.1,.6} \usepackage[linkbordercolor={0 0 0}, pdfborder={0 0 0}, @@ -189,7 +190,7 @@ \part{Experimental Setups and Configurations} - +\input{trb3qs_part} \cleardoublepage