Changes for page MTCA ADCs

Last modified by sndueste on 2024/07/08 09:50
From version 6.1
edited by sndueste
on 2019/10/02 15:26
Change comment: There is no comment for this version
To version 20.1
edited by sndueste
on 2021/09/03 12:53
Change comment: There is no comment for this version

Summary

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Content
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1 -= Content: =
1 +Content:
2 2  
3 -= =
4 4  
5 -{{toc/}}
6 6  
7 -= General info =
5 +{{toc minLevel="2"/}}
8 8  
9 -\\
7 +----
10 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 ==
... ... @@ -21,10 +21,14 @@
21 21  
22 22  We have ADQ412AC-4G-MTCA digitizer cards for the experiment crates (Exp1, Exp2 and FL2Exp1):
23 23  [[ADQ412_datasheet.pdf>>attach:10-0494_C_ADQ412_datasheet.pdf]] ( [[new version>>attach:10-0494-adq412_datasheet.pdf]], [[sampling rates table>>attach:Clocking_AppNote.pdf]])
24 -The cards are connected via Patch panels to the Experimental endstations.
15 +The cards are connected via Patch panels to the Experimental endstations and can be operated with a jddd panel:
25 25  
17 +[[image:attach:image2019-10-21_15-21-23.png||width="800"]]
18 +
26 26  \\
27 27  
21 +\\
22 +
28 28  * **NOTE: between ADC and Patch panel we have installed an [[EMP protector>>attach:EMP_protector.pdf]] and an additional 1dB attenuator**
29 29  * for the influence of the Patch cable and the EMP protector see also [[this logbook entry~[~[image:url:http://hasfweb.desy.de/pub/TWiki/TWikiDocGraphics/external-link.gif~|~|width="13" height="12"~]~]>>url:http://ttfinfo.desy.de/ExpHallelog/show.jsp?dir=/2016/27/08.07&pos=2016-07-08T17:41:07||shape="rect"]]
30 30  
... ... @@ -53,7 +53,7 @@
53 53  |(((
54 54  Sampling rate
55 55  )))|(((
56 -2
51 +2 *
57 57  )))|(((
58 58  GSPS
59 59  )))
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71 71  |(((
72 72  Sampling rate
73 73  )))|(((
74 -4
69 +4 *
75 75  )))|(((
76 76  GSPS
77 77  )))
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83 83  GHz
84 84  )))
85 85  
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 +
86 86  \\
87 87  
88 88  ===== ADC and DOOCS / DAQ =====
... ... @@ -104,8 +104,15 @@
104 104  \\{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH02/TD{{/code}}
105 105  {{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH03/TD{{/code}}
106 106  
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 +
107 107  DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD  or CH00.DAQ.TD{{/code}}
108 -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 ...
109 109  DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00{{/code}}
110 110  
111 111  in addition there are also additional parameters saved like:
... ... @@ -121,7 +121,8 @@
121 121  * **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.
122 122  * The available ADCs 5x, 10x, 20 x 50x and 100x
123 123  * The ADCs can be borrowed from Markus Braune
124 -* 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]])
125 125  
126 126  \\
127 127  
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140 140  
141 141  Here is a trace of the first signal, a 1 MHz trigger connected from the x2timer board in the same MTCA:
142 142  
143 -[[~[~[image:url:http://hasfweb.desy.de/pub/Setup/MtcaAdc/adc_mhz.jpg~|~|alt="adc_mhz.jpg" width="550" height="500"~]~]>>attach:adc_mhz.jpg]]
148 +[[image:attach:adc_mhz.jpg||height="400"]]
144 144  
145 145  \\
146 146  
147 147  == Pulse energy server: Using the Struck SIS8300-L2D to detect only integrated values of pulses ==
148 148  
149 -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:
154 +FS-LA (Falko Peters) programmed a pulse detection server that automatically detects peaks in the signal and integrates the samples around the peak.
150 150  
151 -* Peak height: from what signal on (incounts) is the signal to be counted as peak
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
152 152  * 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
153 153  * 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.
154 154  
155 -[[~[~[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]]
162 +\\
156 156  
164 +
165 +
157 157  \\
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 +\\