Changes for page MTCA ADCs
Last modified by sndueste on 2024/07/08 09:50
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -2,19 +2,10 @@ 2 2 3 3 4 4 5 -{{toc/}} 5 +{{toc minLevel="2"/}} 6 6 7 7 ---- 8 8 9 -= General info = 10 - 11 -* [[ADQ412 server description~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:https://ttfinfo.desy.de/FLASHWiki/Wiki.jsp?page=SPdevicesDMA%20ADQ||shape="rect"]] 12 -* [[more ADC server descriptions~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:https://ttfinfo.desy.de/DOOCSWiki/Wiki.jsp#section-C_2B_2B+Server+Interface-D_ADCscope?page=C%2B%2B%20Server%20Interface||shape="rect"]] 13 -* [[Description of the DAQ properties related to the ADCs~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:https://ttfinfo.desy.de/DOOCSWiki/Wiki.jsp#section-C_2B_2B+Server+Interface-DaqfedConfiguration.?page=C%2B%2B%20Server%20Interface||shape="rect"]] 14 -* [[ a collection of usefull things related to the OPIS ADCs>>doc:FLASH.OPIS ADC related things]] 15 - 16 -\\ 17 - 18 18 = Our ADC cards = 19 19 20 20 == GHz ADCs: SP-Devices ADQ412AC == ... ... @@ -43,7 +43,11 @@ 43 43 |((( 44 44 Input voltage range 45 45 )))|=((( 46 -800 mV pp!!!!!!!!!!!!!!!! 37 +the complete range is about 1V for 4096 counts. 38 + 39 +Thus +- 0.5 V for baseline at 0V 40 + 41 +BUT the baseline can also be shifted ... 47 47 ))) 48 48 |((( 49 49 Digitizer resolution ... ... @@ -110,8 +110,15 @@ 110 110 \\{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH02/TD{{/code}} 111 111 {{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH03/TD{{/code}} 112 112 108 +and at FLASH2 109 + 110 + 111 +\\\\\\\\{{code language="none"}}FL24:/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH00/TD/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH01/TD/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH02/TD/FL2/Experiment/MTCA-EXP1/ADQ412 GHz ADC/CH03/TD{{/code}} 112 + 113 +\\ 114 + 113 113 DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD or CH00.DAQ.TD{{/code}} 114 -here the {{code language="none"}}CH00.TD{{/code}} is the full ADC trace as it is sampled ( typically several 100.000 samples per pulse train) while the {{code language="none"}}CH00.DAQ.TD{{/code}} trace only has the number of samples which are sent to the DAQ OR if //grouping// is actvated the {{code language="none"}}CH00.DAQ.TD{{/code}} contins only the grouped spectra. To read the ADC trace with an online analysis program the {{code language="none"}}CH00.DAQ.TD{{/code}} is preferable to use ... 116 +here the {{code language="none"}}CH00.TD{{/code}} is the full ADC trace as it is sampled ( typically several 100.000 samples per pulse train) while the {{code language="none"}}CH00.DAQ.TD{{/code}} trace only has the number of samples which are sent to the DAQ OR if //grouping// is activated the {{code language="none"}}CH00.DAQ.TD{{/code}} contains only the grouped spectra. To read the ADC trace with an online analysis program the {{code language="none"}}CH00.DAQ.TD{{/code}} is preferable to use ... 115 115 DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00{{/code}} 116 116 117 117 in addition there are also additional parameters saved like: ... ... @@ -127,7 +127,8 @@ 127 127 * **we can offer [[ Phillips scientific Model 6954>>attach:6954ds.pdf]] amplifiers** to either amplify small signals or to decouple setups which may deliver voltage peaks fro the ADCs. 128 128 * The available ADCs 5x, 10x, 20 x 50x and 100x 129 129 * The ADCs can be borrowed from Markus Braune 130 -* The Amplifiers fot perfectly to the dynamic range of the GHz ADCs - here a [[ test of the Phillips scientific amplifier>>attach:Model_6954_Amplifier_Report.pdf]] 132 +* The Amplifiers fit perfectly to the dynamic range of the GHz ADCs - here a [[ test of the Phillips scientific amplifier>>attach:Model_6954_Amplifier_Report.pdf]] 133 +* There are also [[BiasTs>>attach:ZX85-12G-S+.pdf]] available that can be borrowed ([[link to internal page>>doc:FLASH.Bias T]])[[image:url:https://confluence.desy.de/download/attachments/177857419/20210414_161820.jpg?version=5&modificationDate=1618412745169&api=v2||thumbnail="true" alt="20210414_161820.jpg" height="150"]] 131 131 132 132 \\ 133 133 ... ... @@ -135,29 +135,57 @@ 135 135 136 136 There is one in each of the MTCAs in the hall: MTCA-EXP1 at PG/BL1, the other at BL2 and BL3. 137 137 138 -They are 16 bit, 10 channel, 125 MS/s ADCs. 141 +They are 16 bit, 10 channel, 125 MS/s ADCs. Here is a link to the [[Struck website>>url:https://www.struck.de/sis8900.html||shape="rect"]] 139 139 140 140 \\ 141 141 142 -* [[User Manual SIS8300-L2 ADC ACM>>attach:sis8300l2-m-x009-1-v101.pdf]] 143 -* [[User Manual SIS8900 RTM>>attach:sis8900-m-1-1-v104.pdf]] 144 - 145 145 50 Ohm input impedance, -1 V,...,+1 V default input range, analog signals can be routed to AC and DC input stage. The coupling is DC via op-amp (switching to AC transformer involves resoldering of SMD solder bridges). 146 146 147 147 Here is a trace of the first signal, a 1 MHz trigger connected from the x2timer board in the same MTCA: 148 148 149 -[[ ~[~[image:url:http://hasfweb.desy.de/pub/Setup/MtcaAdc/adc_mhz.jpg~|~|alt="adc_mhz.jpg" width="550" height="500"~]~]>>attach:adc_mhz.jpg]]149 +[[image:attach:adc_mhz.jpg||height="400"]] 150 150 151 151 \\ 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 el and integrates the samples around the peak.<\br> things to set:155 +FS-LA (Falko Peters) programmed a pulse detection server that automatically detects peaks in the signal and integrates the samples around the peak. 156 156 157 -* Peak height: from what signal on (incounts) is the signal to be counted as peak 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 158 158 * 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 159 159 * 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. 160 160 161 - [[~[~[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]]163 +\\ 162 162 165 + 166 + 163 163 \\ 168 + 169 +[[image:attach:pulse_energy_server.jpg||height="400"]] [[image:attach:image2019-11-18_17-9-7.png||height="400"]] 170 + 171 +\\ 172 + 173 + jddd server panel Definition of the parameters 174 + 175 +\\ 176 + 177 +\\ 178 + 179 +\\ 180 + 181 +== Detailed expert stuff == 182 + 183 +* [[ a collection of usefull things related to the OPIS ADCs>>doc:FLASH.OPIS ADC related things]] 184 +* a list of [[doc:FLASH.our MTCA ADC cards]] (only internal link) 185 + 186 +\\ 187 + 188 +\\ 189 + 190 +\\ 191 + 192 +\\ 193 + 194 +\\