Changes for page MTCA ADCs

Last modified by sndueste on 2024/07/08 09:50
From version 7.1
edited by sndueste
on 2019/10/02 15:28
Change comment: There is no comment for this version
To version 17.1
edited by sendels
on 2021/02/10 15:07
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.sndueste
1 +XWiki.sendels
Content
... ... @@ -2,17 +2,10 @@
2 2  
3 3  
4 4  
5 -{{toc/}}
5 +{{toc minLevel="2"/}}
6 6  
7 -= General info =
7 +----
8 8  
9 -* [[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"]]
10 -* [[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"]]
11 -* [[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"]]
12 -* [[ a collection of usefull things related to the OPIS ADCs>>doc:FLASH.OPIS ADC related things]]
13 -
14 -\\
15 -
16 16  = Our ADC cards =
17 17  
18 18  == GHz ADCs: SP-Devices ADQ412AC ==
... ... @@ -19,10 +19,14 @@
19 19  
20 20  We have ADQ412AC-4G-MTCA digitizer cards for the experiment crates (Exp1, Exp2 and FL2Exp1):
21 21  [[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]])
22 -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:
23 23  
17 +[[image:attach:image2019-10-21_15-21-23.png||width="800"]]
18 +
24 24  \\
25 25  
21 +\\
22 +
26 26  * **NOTE: between ADC and Patch panel we have installed an [[EMP protector>>attach:EMP_protector.pdf]] and an additional 1dB attenuator**
27 27  * 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"]]
28 28  
... ... @@ -51,7 +51,7 @@
51 51  |(((
52 52  Sampling rate
53 53  )))|(((
54 -2
51 +2 *
55 55  )))|(((
56 56  GSPS
57 57  )))
... ... @@ -69,7 +69,7 @@
69 69  |(((
70 70  Sampling rate
71 71  )))|(((
72 -4
69 +4 *
73 73  )))|(((
74 74  GSPS
75 75  )))
... ... @@ -81,6 +81,8 @@
81 81  GHz
82 82  )))
83 83  
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 +
84 84  \\
85 85  
86 86  ===== ADC and DOOCS / DAQ =====
... ... @@ -102,8 +102,15 @@
102 102  \\{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH02/TD{{/code}}
103 103  {{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH03/TD{{/code}}
104 104  
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 +
105 105  DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD  or CH00.DAQ.TD{{/code}}
106 -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 ...
107 107  DAQ channel: {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00{{/code}}
108 108  
109 109  in addition there are also additional parameters saved like:
... ... @@ -119,7 +119,8 @@
119 119  * **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.
120 120  * The available ADCs 5x, 10x, 20 x 50x and 100x
121 121  * The ADCs can be borrowed from Markus Braune
122 -* 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]])
123 123  
124 124  \\
125 125  
... ... @@ -138,18 +138,45 @@
138 138  
139 139  Here is a trace of the first signal, a 1 MHz trigger connected from the x2timer board in the same MTCA:
140 140  
141 -[[~[~[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"]]
142 142  
143 143  \\
144 144  
145 145  == Pulse energy server: Using the Struck SIS8300-L2D to detect only integrated values of pulses ==
146 146  
147 -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.
148 148  
149 -* 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
150 150  * 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
151 151  * 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.
152 152  
153 -[[~[~[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 +\\
154 154  
164 +[[~[~[image:url:http://hasfweb.desy.de/pub/Setup/MtcaAdc/pulse_energy_server.jpg~|~|alt="pulse_energy_server.jpg" height="400"~]~]>>attach:pulse_energy_server.jpg]] [[image:attach:image2019-11-18_17-9-7.png||height="400"]]
165 +
166 +[[image:attach:pulse_energy_server.jpg||height="400"]]
167 +
155 155  \\
169 +
170 + jddd  server panel  Definition of the parameters
171 +
172 +\\
173 +
174 +\\
175 +
176 +\\
177 +
178 += Detailed stuff =
179 +
180 +* [[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"]]
181 +* [[ a collection of usefull things related to the OPIS ADCs>>doc:FLASH.OPIS ADC related things]]
182 +
183 +\\
184 +
185 +\\
186 +
187 +\\
188 +
189 +\\