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\title{TRB3: A 264 Channel High Precision TDC Platform and Its Applications}
\author{A.~Neiser$^a$\thanks{Corresponding author.},
can be used for any following measurements, which is especially useful
in the case of low statistics.
-% Alternatively, there are
-% software implementations for the DAQ framework DABC and the analysis
-% framework Go4, for receiving and storing the front-end data stream to
-% files, and for unpacking and calibration of the TRB3 data,
-% respectively \cite{dabc-pub}. In this case a live online monitoring of
-% the data stream is possible, since DABC can deliver the data via
-% TCP/IP socket directly to Go4 for analysis and visualisation, without
-% requiring an intermediate file storage....
-
-% Additionally, the platform enables every user group to profit from
-% common software developments, such as a ``standalone'' ROOT unpacker
-% \cite{unpacker-web} for the TDC data-stream including methods for the
-% calibration of the delay lines. In this case, the data is usually
-% acquired with the HADES DAQ software system in HLD files and
-% subsequently analysed offline. There are also interfaces to DABC
-% \cite{dabc-web} which enables online monitoring and calibration of the
-% TRB3 read-out.
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-
\section{Front-end Electronics}\label{sec:frontends}
-% To convert the analogue signals from the detector to digital pulses
-% suitable for the TDC, the front-end electronics board PaDiWa was
-% designed using the differential input buffers of an FPGA as
-% discriminators with a PWM generated voltage as a variable threshold.
-% However, Both approaches follow again the COME\&KISS principle,
-% already enabling other groups to use the existing FEE boards without
-% major modifications. The overall reliability, flexibility and
-% performance of this platform was proven in three test beamtimes with
-% different detectors and FEEs at CERN (CBM), in Juelich and Mainz with
-% up to $2400$ channels, of which results are shown.
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\subsection{PaDiWa: COME\&KISS Leading Edge Discriminator}
\begin{figure}[tbp] %figures (and tables) should go top or bottom of
started. Furthermore, an extension of TrbNet with defined propagation
delays of trigger signals for PANDA is being developed and tested.
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-% \paragraph{Paragraph.} Lorem ipsum dolor sit amet, consectetur
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-% \begin{equation}
-% \label{eq:xxx}
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-% \end{equation}
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-% \\
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-% References to:
-% \begin{itemize}
-% \item equations: ``\ldots see eq.~(\ref{eq:xxx})\ldots''
-% \item figures: ``\ldots see figure~\ref{fig:xxx}\ldots''
-% \item tables: ``\ldots see table~\ref{tab:xxx}\ldots''
-% \item bibiliography: ``\ldots see ref.~\cite{bib1}\ldots''
-% \end{itemize}
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-% \begin{figure}[tbp] % figures (and tables) should go top or bottom of
-% % the page where they are first cited or in
-% % subsequent pages
-% \centering
-% \includegraphics[width=.4\textwidth]{fig.png}
-% \caption{Caption.}
-% \label{fig:xxx}
-% \end{figure}
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\acknowledgments
M.H. is supported by the German Federal Ministry of Education and
\begin{thebibliography}{9}
-% \bibitem{bib1}
-% Authors,
-% \emph{Title},
-% \emph{J. Ref.} \textbf{vol} (year) page.
\bibitem{ugur-twepp2011}
C. U\u{g}ur, E. Bayer, N. Kurz and M. Traxler
\emph{A 16 channel high resolution (<11 ps RMS) Time-to-Digital Converter
\href{http://indico.cern.ch/contributionDisplay.py?contribId=84&sessionId=11&confId=11994}%
{http://indico.cern.ch/contributionDisplay.py?contribId=84\&sessionId=11\&confId=11994}.
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-
-% \bibitem{bib3}
-% A.I. Harris,
-% \emph{Spectroscopy with multichannel correlation radiometers},
-% \href{http://dx.doi.org/10.1063/1.1898643}
-% {\emph{Rev.\ Sci.\ Instrum.} {\bf 76} (2005) 054503}
-% [\astroph{0504449}].
-
-% \bibitem{bib4}
-% G.F. Knoll, \emph{Radiation detection and measurements}, John Wiley
-% and Sons, Inc., New York 2000.
-
-% \bibitem{bib5}
-% V. Dangendorf, \emph{Time-resolved fast-neutron imaging with a
-% pulse-counting image intensifier}, in proceedings of
-% \emph{International workshop on fast neutron detectors and
-% applications}, April, 3--6, 2006 University of Cape Town, South Africa
-% \pos{PoS(FNDA2006)008}.
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\end{thebibliography}
\end{document}