Changes for page MTCA ADCs
Last modified by sndueste on 2024/07/08 09:50
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... ... @@ -21,14 +21,10 @@ 21 21 22 22 We have ADQ412AC-4G-MTCA digitizer cards for the experiment crates (Exp1, Exp2 and FL2Exp1): 23 23 [[ADQ412_datasheet.pdf>>attach:10-0494_C_ADQ412_datasheet.pdf]] ( [[new version>>attach:10-0494-adq412_datasheet.pdf]], [[sampling rates table>>attach:Clocking_AppNote.pdf]]) 24 -The cards are connected via Patch panels to the Experimental endstations and can be operated with a jddd panel:24 +The cards are connected via Patch panels to the Experimental endstations. 25 25 26 -[[image:attach:image2019-10-21_15-21-23.png||width="800"]] 27 - 28 28 \\ 29 29 30 -\\ 31 - 32 32 * **NOTE: between ADC and Patch panel we have installed an [[EMP protector>>attach:EMP_protector.pdf]] and an additional 1dB attenuator** 33 33 * for the influence of the Patch cable and the EMP protector see also [[this logbook entry~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:http://ttfinfo.desy.de/ExpHallelog/show.jsp?dir=/2016/27/08.07&pos=2016-07-08T17:41:07||shape="rect"]] 34 34 ... ... @@ -57,7 +57,7 @@ 57 57 |((( 58 58 Sampling rate 59 59 )))|((( 60 -2 *56 +2 61 61 )))|((( 62 62 GSPS 63 63 ))) ... ... @@ -75,7 +75,7 @@ 75 75 |((( 76 76 Sampling rate 77 77 )))|((( 78 -4 *74 +4 79 79 )))|((( 80 80 GSPS 81 81 ))) ... ... @@ -87,8 +87,6 @@ 87 87 GHz 88 88 ))) 89 89 90 - ~* note that the sample rate is NOT locked to the FLASH repetition rate ! Thus there is a not integer number of samples between FLASH pulses. The sample rate also differs slightly from ADC card to ADC card. The rough spacing is **1993.846** samples between 2 pulses at 1 MHz for details ask the local contact. 91 - 92 92 \\ 93 93 94 94 ===== ADC and DOOCS / DAQ ===== ... ... @@ -152,28 +152,12 @@ 152 152 153 153 == Pulse energy server: Using the Struck SIS8300-L2D to detect only integrated values of pulses == 154 154 155 -FS-LA (Falko Peters) programmed a pulse detection server that automatically detects peaks in the sign al and integrates the samples around the peak.149 +FS-LA (Falko Peters) programmed a pulse detection server that automatically detects peaks in the signel and integrates the samples around the peak. <\br> things to set: 156 156 157 -Things to set: 158 - 159 -* Min peak height: threshold fro which on some signal is considered to be a peak. The actual peak is then determined as the maximum of the counts after the threshold 151 +* Peak height: from what signal on (incounts) is the signal to be counted as peak 160 160 * pre and post peak integration time: how much ns to be integrated before and after the peak sample that are taken into account for the peak 161 161 * pre and post peak noise time: before and after the samples that are taken for the actual signal these samples are used as background ( they also can be used to define the "deadtime" of the detector before it searches for new peaks. 162 162 163 - \\155 +[[~[~[image:url:http://hasfweb.desy.de/pub/Setup/MtcaAdc/pulse_energy_server.jpg~|~|alt="pulse_energy_server.jpg" width="400" height="300"~]~]>>attach:pulse_energy_server.jpg]] 164 164 165 -[[~[~[image:url:http://hasfweb.desy.de/pub/Setup/MtcaAdc/pulse_energy_server.jpg~|~|alt="pulse_energy_server.jpg" height="400"~]~]>>attach:pulse_energy_server.jpg]] [[image:attach:image2019-11-18_17-9-7.png||height="400"]] 166 - 167 167 \\ 168 - 169 - jddd server panel Definition of the parameters 170 - 171 -\\ 172 - 173 -\\ 174 - 175 -\\ 176 - 177 -\\ 178 - 179 -\\