Changes for page MTCA ADCs

Last modified by sndueste on 2024/07/08 09:50
From version 26.1
edited by sndueste
on 2023/04/28 11:17
Change comment: There is no comment for this version
To version 10.1
edited by sndueste
on 2019/11/11 16:59
Change comment: There is no comment for this version

Summary

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Content
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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 ==
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34 34  |(((
35 35  Input voltage range
36 36  )))|=(((
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 ...
46 +800 mV pp!!!!!!!!!!!!!!!!
42 42  )))
43 43  |(((
44 44  Digitizer resolution
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105 105  \\{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH02/TD{{/code}}
106 106  {{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH03/TD{{/code}}
107 107  
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 -
115 115  DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD  or CH00.DAQ.TD{{/code}}
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 ...
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 ...
117 117  DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00{{/code}}
118 118  
119 119  in addition there are also additional parameters saved like:
... ... @@ -129,8 +129,7 @@
129 129  * **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.
130 130  * The available ADCs 5x, 10x, 20 x 50x and 100x
131 131  * The ADCs can be borrowed from Markus Braune
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"]]
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]]
134 134  
135 135  \\
136 136  
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138 138  
139 139  There is one in each of the MTCAs in the hall: MTCA-EXP1 at PG/BL1, the other at BL2 and BL3.
140 140  
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"]]
138 +They are 16 bit, 10 channel, 125 MS/s ADCs.
142 142  
143 143  \\
144 144  
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:attach:adc_mhz.jpg||height="400"]]
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]]
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 signal and integrates the samples around the peak.
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:
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
157 +* 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 -\\
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]]
164 164  
165 -
166 -
167 167  \\
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 -\\