Changes for page MTCA ADCs
Last modified by sndueste on 2024/07/08 09:50
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... ... @@ -2,10 +2,19 @@ 2 2 3 3 4 4 5 -{{toc minLevel="2"/}}5 +{{toc/}} 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 + 9 9 = Our ADC cards = 10 10 11 11 == GHz ADCs: SP-Devices ADQ412AC == ... ... @@ -48,7 +48,7 @@ 48 48 |((( 49 49 Sampling rate 50 50 )))|((( 51 -2 *60 +2 52 52 )))|((( 53 53 GSPS 54 54 ))) ... ... @@ -66,7 +66,7 @@ 66 66 |((( 67 67 Sampling rate 68 68 )))|((( 69 -4 *78 +4 70 70 )))|((( 71 71 GSPS 72 72 ))) ... ... @@ -78,8 +78,6 @@ 78 78 GHz 79 79 ))) 80 80 81 - ~* 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. 82 - 83 83 \\ 84 84 85 85 ===== ADC and DOOCS / DAQ ===== ... ... @@ -101,15 +101,8 @@ 101 101 \\{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH02/TD{{/code}} 102 102 {{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH03/TD{{/code}} 103 103 104 -and at FLASH2 105 - 106 - 107 -\\\\\\\\{{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}} 108 - 109 -\\ 110 - 111 111 DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD or CH00.DAQ.TD{{/code}} 112 -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 act ivated 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 ...112 +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 ... 113 113 DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00{{/code}} 114 114 115 115 in addition there are also additional parameters saved like: ... ... @@ -125,8 +125,7 @@ 125 125 * **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. 126 126 * The available ADCs 5x, 10x, 20 x 50x and 100x 127 127 * The ADCs can be borrowed from Markus Braune 128 -* 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]] 129 -* There are also [[BiasTs>>attach:ZX85-12G-S+.pdf]] available ([[link to internal page>>doc:FLASH.Bias T]]) 128 +* 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]] 130 130 131 131 \\ 132 132 ... ... @@ -145,50 +145,18 @@ 145 145 146 146 Here is a trace of the first signal, a 1 MHz trigger connected from the x2timer board in the same MTCA: 147 147 148 -[[image:attac h:adc_mhz.jpg||height="400"]]147 +[[~[~[image:url:http://hasfweb.desy.de/pub/Setup/MtcaAdc/adc_mhz.jpg~|~|alt="adc_mhz.jpg" width="550" height="500"~]~]>>attach:adc_mhz.jpg]] 149 149 150 150 \\ 151 151 152 152 == Pulse energy server: Using the Struck SIS8300-L2D to detect only integrated values of pulses == 153 153 154 -FS-LA (Falko Peters) programmed a pulse detection server that automatically detects peaks in the sign al and integrates the samples around the peak.153 +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: 155 155 156 -Things to set: 157 - 158 -* 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 155 +* Peak height: from what signal on (incounts) is the signal to be counted as peak 159 159 * 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 160 160 * 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. 161 161 162 - \\159 +[[~[~[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]] 163 163 164 - 165 - 166 166 \\ 167 - 168 -[[image:attach:pulse_energy_server.jpg||height="400"]] [[image:attach:image2019-11-18_17-9-7.png||height="400"]] 169 - 170 -\\ 171 - 172 - jddd server panel Definition of the parameters 173 - 174 -\\ 175 - 176 -\\ 177 - 178 -\\ 179 - 180 -== Detailed expert stuff == 181 - 182 -* [[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"]] 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 -\\