Changes for page MTCA ADCs

Last modified by sndueste on 2024/07/08 09:50
From version 10.1
edited by sndueste
on 2019/11/11 16:59
Change comment: There is no comment for this version
To version 27.1
edited by sndueste
on 2023/07/21 09:53
Change comment: There is no comment for this version

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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 ==
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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
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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  
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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 signel 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 +* load tests: [[link to Logbook entry>>url:https://ttfinfo.desy.de/Flash2_FL26elog/show.jsp?dir=/2023/23&pos=2023-06-08T16:11:08||shape="rect"]]  for the "mobile GHz ADC" we can save 12 ADCs with 1.8 Gsample  for  333 µm / 600 ksamples  without losses -  but it produces looooots of data ..
186 +
187 +\\
188 +
189 +\\
190 +
191 +\\
192 +
193 +\\
10-0494-adq412_datasheet.pdf
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