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 30.1
edited by sndueste
on 2024/03/14 10:22
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 ==
21 21  
22 -We have ADQ412AC-4G-MTCA digitizer cards for the experiment crates (Exp1, Exp2 and FL2Exp1):
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]])
13 +We have ADQ412AC-4G-MTCA digitizer cards for the experiment crates (Exp1, Exp2 and FL2Exp1):
14 +[[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 24  The cards are connected via Patch panels to the Experimental endstations and can be operated with a jddd panel:
25 25  
26 26  [[image:attach:image2019-10-21_15-21-23.png||width="800"]]
27 27  
28 -\\
29 29  
30 -\\
31 31  
32 32  * **NOTE: between ADC and Patch panel we have installed an [[EMP protector>>attach:EMP_protector.pdf]] and an additional 1dB attenuator**
33 -* 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"]]
22 +* for the influence of the Patch cable and the EMP protector see also [[this logbook entry>>url:http://ttfinfo.desy.de/ExpHallelog/show.jsp?dir=/2016/27/08.07&pos=2016-07-08T17:41:07||shape="rect"]]
34 34  
35 -\\
36 -
37 37  (% class="wrapped" %)
38 38  |(((
39 39  Impedance AC
... ... @@ -43,7 +43,11 @@
43 43  |(((
44 44  Input voltage range
45 45  )))|=(((
46 -800 mV pp!!!!!!!!!!!!!!!!
33 +the complete range is about 1V  for 4096 counts.
34 +
35 +Thus +- 0.5 V for baseline at 0V
36 +
37 +BUT the baseline can also be shifted ...
47 47  )))
48 48  |(((
49 49  Digitizer resolution
... ... @@ -57,7 +57,7 @@
57 57  |(((
58 58  Sampling rate
59 59  )))|(((
60 -2
51 +2 *
61 61  )))|(((
62 62  GSPS
63 63  )))
... ... @@ -75,7 +75,7 @@
75 75  |(((
76 76  Sampling rate
77 77  )))|(((
78 -4
69 +4 *
79 79  )))|(((
80 80  GSPS
81 81  )))
... ... @@ -87,29 +87,39 @@
87 87  GHz
88 88  )))
89 89  
90 -\\
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.
91 91  
83 +
92 92  ===== ADC and DOOCS / DAQ =====
93 93  
94 94  The HDF5 names for the ADC traces are depending on the beamline :
95 -\\PG Beamline:
96 -{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH00/TD{{/code}}
97 -{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH01/TD{{/code}}
98 -{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH02/TD{{/code}}
87 +\\PG Beamline:
88 +{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH00/TD{{/code}}
89 +{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH01/TD{{/code}}
90 +{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH02/TD{{/code}}
99 99  {{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH03/TD{{/code}}
100 100  
101 -BL Beamlines:
102 -{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH00/TD{{/code}}
103 -{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH01/TD{{/code}}
104 -{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH02/TD{{/code}}
105 -{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH03/TD{{/code}}
106 -\\{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH00/TD{{/code}}
107 -{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH01/TD{{/code}}
108 -\\{{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH02/TD{{/code}}
93 +BL Beamlines:
94 +{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH00/TD{{/code}}
95 +{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH01/TD{{/code}}
96 +{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH02/TD{{/code}}
97 +{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH03/TD{{/code}}
98 +\\{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH00/TD{{/code}}
99 +{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH01/TD{{/code}}
100 +\\{{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  
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 ...
103 +and at FLASH2
104 +
105 +
106 +
107 +
108 +
109 +\\{{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}}
110 +
111 +
112 +DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD  or CH00.DAQ.TD{{/code}}
113 +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:
... ... @@ -118,44 +118,49 @@
118 118  * error (state)
119 119  * offset
120 120  
121 -\\
122 -
123 123  == Amplifiers for the GHZ ADCs ==
124 124  
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]]
127 +* 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]]
128 +* 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||alt="20210414_161820.jpg" thumbnail="true" height="250" width="333"]]
129 129  
130 -\\
131 -
132 132  == 108 MHz ADCs:  Struck SIS8300-L2D ==
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.
134 +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 -\\
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]]
141 +[[image:attach:adc_mhz.jpg||height="400"]]
148 148  
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:
146 +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
148 +Things to set:
149 +
150 +* 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]]
160 160  
161 -\\
155 +[[image:attach:pulse_energy_server.jpg||height="400"]] [[image:attach:image2019-11-18_17-9-7.png||height="400"]]
156 +
157 +
158 + jddd  server panel  Definition of the parameters
159 +
160 +
161 +
162 +
163 +== Detailed expert stuff ==
164 +
165 +* [[ a collection of usefull things related to the OPIS ADCs>>doc:FLASH.Photon Diagnostics.OPIS.OPIS ADC related things.WebHome]]
166 +* a list of [[our MTCA ADC cards>>doc:FLASH.Controls, Data recording & Analysis.IT Docu (expert stuff).Hardware (Computers, MTCA & motorcontrol).our MTCA ADC cards.WebHome]] (only internal link)
167 +* 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 ..
10-0494-adq412_datasheet.pdf
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