Changes for page MTCA ADCs

Last modified by sndueste on 2024/07/08 09:50
From version 9.1
edited by sndueste
on 2019/10/21 15:21
Change comment: There is no comment for this version
To version 23.1
edited by sndueste
on 2023/01/19 17:45
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/}}
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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57 57  |(((
58 58  Sampling rate
59 59  )))|(((
60 -2
51 +2 *
61 61  )))|(((
62 62  GSPS
63 63  )))
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75 75  |(((
76 76  Sampling rate
77 77  )))|(((
78 -4
69 +4 *
79 79  )))|(((
80 80  GSPS
81 81  )))
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87 87  GHz
88 88  )))
89 89  
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 +
90 90  \\
91 91  
92 92  ===== ADC and DOOCS / DAQ =====
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108 108  \\{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH02/TD{{/code}}
109 109  {{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH03/TD{{/code}}
110 110  
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 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 ...
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 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 ...
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:
... ... @@ -125,7 +125,8 @@
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 fot perfectly to the dynamic range of the GHz ADCs - here a  [[ test of the Phillips scientific amplifier>>attach:Model_6954_Amplifier_Report.pdf]]
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]])
129 129  
130 130  \\
131 131  
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133 133  
134 134  There is one in each of the MTCAs in the hall: MTCA-EXP1 at PG/BL1, the other at BL2 and BL3.
135 135  
136 -They are 16 bit, 10 channel, 125 MS/s ADCs.
137 +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"]]
137 137  
138 138  \\
139 139  
140 -* [[User Manual SIS8300-L2 ADC ACM>>attach:sis8300l2-m-x009-1-v101.pdf]]
141 -* [[User Manual SIS8900 RTM>>attach:sis8900-m-1-1-v104.pdf]]
142 -
143 143  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).
144 144  
145 145  Here is a trace of the first signal, a 1 MHz trigger connected from the x2timer board in the same MTCA:
146 146  
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]]
145 +[[image:attach:adc_mhz.jpg||height="400"]]
148 148  
149 149  \\
150 150  
151 151  == Pulse energy server: Using the Struck SIS8300-L2D to detect only integrated values of pulses ==
152 152  
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:
151 +FS-LA (Falko Peters) programmed a pulse detection server that automatically detects peaks in the signal and integrates the samples around the peak.
154 154  
155 -* Peak height: from what signal on (incounts) is the signal to be counted as peak
153 +Things to set:
154 +
155 +* 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
156 156  * 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
157 157  * 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.
158 158  
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]]
159 +\\
160 160  
161 +
162 +
161 161  \\
164 +
165 +[[image:attach:pulse_energy_server.jpg||height="400"]] [[image:attach:image2019-11-18_17-9-7.png||height="400"]]
166 +
167 +\\
168 +
169 + jddd  server panel  Definition of the parameters
170 +
171 +\\
172 +
173 +\\
174 +
175 +\\
176 +
177 +== Detailed expert stuff ==
178 +
179 +* [[ a collection of usefull things related to the OPIS ADCs>>doc:FLASH.OPIS ADC related things]]
180 +* a list of [[doc:FLASH.our MTCA ADC cards]] (only internal link)
181 +
182 +\\
183 +
184 +\\
185 +
186 +\\
187 +
188 +\\
189 +
190 +\\