From: Michael Wiebusch Date: Fri, 13 Feb 2015 13:43:13 +0000 (+0100) Subject: final cosmetics X-Git-Url: https://jspc29.x-matter.uni-frankfurt.de/git/?a=commitdiff_plain;h=e8a4ba2fc3b1082e0be66328d33070bdc9b75073;p=reports.git final cosmetics --- diff --git a/GSI_2015_JM-MW_MVD-Electroncis/mvdelectronics.pdf b/GSI_2015_JM-MW_MVD-Electroncis/mvdelectronics.pdf index 9823da8..8a1ad03 100644 Binary files a/GSI_2015_JM-MW_MVD-Electroncis/mvdelectronics.pdf and b/GSI_2015_JM-MW_MVD-Electroncis/mvdelectronics.pdf differ diff --git a/GSI_2015_JM-MW_MVD-Electroncis/mvdelectronics.tex b/GSI_2015_JM-MW_MVD-Electroncis/mvdelectronics.tex index 2e4f426..181fc83 100644 --- a/GSI_2015_JM-MW_MVD-Electroncis/mvdelectronics.tex +++ b/GSI_2015_JM-MW_MVD-Electroncis/mvdelectronics.tex @@ -12,8 +12,8 @@ \title{The CBM MVD read-out electronics\thanks{Work supported by BMBF (05P12RFFC7), HIC for FAIR and GSI}} -\author[1]{J. Michel} \author[1]{M. Wiebusch} +\author[1]{J. Michel} \author[1]{M. Koziel} \author[1]{B. Milanovic} \author[1]{S. Amar-Youcef} @@ -53,8 +53,9 @@ The recorded data is evaluated by a dedicated ROOT-based analysis software. Noise tests with MIMOSA-26 are ongoing. However, preliminary results concerning the influence of the clamping voltage suggest that it is beneficial to generate this reference voltage as close to the sensor as possible and to use decoupling capacitors, if possible, next to the -bonding pads on the flex print cable. -Furthermore the ADC section on the converter board can be used to perform systematic scans +bonding pads on the flex print cable. These results are in particular important for the +development of the next generation of cables\cite{klaus}. +Furthermore, the ADC section on the converter board can be used to perform systematic scans in order to characterize the sensors. As an example of such an automatic scan, Fig. \ref{current_digital} shows the dependence of the sensor's current consumption on the discriminator threshold setting. @@ -72,9 +73,9 @@ Data acquired with front-end electronics on-board monitoring devices.} % temperature, etc). Furthermore it allows for convenient editing of sensor and electronics settings. \section{Laboratory instrumentation} -When characterizing MAPS sensors, it is desirable to investigate the temperature dependence of certain +When characterizing sensors, it is desirable to investigate the temperature dependence of certain sensor parameters. Until recently, such tests were conducted using a large cooling system which -circulates silicone oil through a cooling block to which the sensors under test are attached. +circulates coolant through a cooling block to which the sensors under test are attached. The sensors are now operated on a small copper platform which is cooled with a peltier element. A PID controller implemented on a microcontroller senses the temperature of the platform by means of a onewire temperature sensor and regulates the current through the peltier element. The device features a small display and a @@ -83,7 +84,7 @@ The platform can be cooled down to circa $-10^{\circ}\rm{C}$ within few minutes Overall, the set-up was greatly reduced in size, while at the same time improved in usability. \section{PRESTO} -Current activities focus on bulding a demonstration version\cite{presto} of a quadrant of the second station of the MVD. +Current activities focus on bulding a prototype\cite{presto} of a quadrant of the second station of the MVD. For now, MIMOSA-26 sensors are used in this project though they do not qualify to be used in the final detector. Parts of the front-end electronics are currently redesigned to fit the spacial constraints of the set-up. @@ -91,8 +92,9 @@ Parts of the front-end electronics are currently redesigned to fit the spacial c \begin{thebibliography}{9} \bibitem{presto} -M. Koziel, T. Tischler et al.,PRESTO: PREcursor of the Second sTatiOn of the CBM-MVD, this issue. - +M. Koziel, T. Tischler et al., PRESTO: PREcursor of the Second sTatiOn of the CBM-MVD, this issue. +\bibitem{klaus} +P. Klaus et al., Ultra-low material budget Cu-based flexible cable for the CBM-MVD, this issue. \end{thebibliography}