Changes for page MTCA ADCs

Last modified by sndueste on 2024/07/08 09:50
From version 24.1
edited by sndueste
on 2023/03/15 11:12
Change comment: There is no comment for this version
To version 29.1
edited by sndueste
on 2024/03/14 10:11
Change comment: There is no comment for this version

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... ... @@ -10,21 +10,17 @@
10 10  
11 11  == GHz ADCs: SP-Devices ADQ412AC ==
12 12  
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]])
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]])
15 15  The cards are connected via Patch panels to the Experimental endstations and can be operated with a jddd panel:
16 16  
17 17  [[image:attach:image2019-10-21_15-21-23.png||width="800"]]
18 18  
19 -\\
20 20  
21 -\\
22 22  
23 23  * **NOTE: between ADC and Patch panel we have installed an [[EMP protector>>attach:EMP_protector.pdf]] and an additional 1dB attenuator**
24 -* 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"]]
25 25  
26 -\\
27 -
28 28  (% class="wrapped" %)
29 29  |(((
30 30  Impedance AC
... ... @@ -34,7 +34,11 @@
34 34  |(((
35 35  Input voltage range
36 36  )))|=(((
37 -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 ...
38 38  )))
39 39  |(((
40 40  Digitizer resolution
... ... @@ -80,35 +80,35 @@
80 80  
81 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 82  
83 -\\
84 84  
85 85  ===== ADC and DOOCS / DAQ =====
86 86  
87 87  The HDF5 names for the ADC traces are depending on the beamline :
88 -\\PG Beamline:
89 -{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH00/TD{{/code}}
90 -{{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH01/TD{{/code}}
91 -{{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}}
92 92  {{code language="none"}}/FL1/Experiment/PG/ADQ412 GHz ADC/CH03/TD{{/code}}
93 93  
94 -BL Beamlines:
95 -{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH00/TD{{/code}}
96 -{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH01/TD{{/code}}
97 -{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH02/TD{{/code}}
98 -{{code language="none"}}/FL1/Experiment/BL1/ADQ412 GHz ADC/CH03/TD{{/code}}
99 -\\{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH00/TD{{/code}}
100 -{{code language="none"}}/FL1/Experiment/BL2/ADQ412 GHz ADC/CH01/TD{{/code}}
101 -\\{{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}}
102 102  {{code language="none"}}/FL1/Experiment/BL3/ADQ412 GHz ADC/CH03/TD{{/code}}
103 103  
104 104  and at FLASH2
105 105  
106 106  
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}}
108 108  
109 -\\
110 110  
111 -DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD  or CH00.DAQ.TD{{/code}}
108 +\\\\{{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}}
109 +
110 +
111 +DOOCS prop : {{code language="none"}}FLASH.FEL/ADC.ADQ.PG/EXP1.CH00/CH00.TD  or CH00.DAQ.TD{{/code}}
112 112  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  
... ... @@ -118,8 +118,6 @@
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.
... ... @@ -126,10 +126,8 @@
126 126  * The available ADCs 5x, 10x, 20 x 50x and 100x
127 127  * The ADCs can be borrowed from Markus Braune
128 128  * 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 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"]]
127 +* 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"]]
130 130  
131 -\\
132 -
133 133  == 108 MHz ADCs:  Struck SIS8300-L2D ==
134 134  
135 135  There is one in each of the MTCAs in the hall: MTCA-EXP1 at PG/BL1, the other at BL2 and BL3.
... ... @@ -136,7 +136,6 @@
136 136  
137 137  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"]]
138 138  
139 -\\
140 140  
141 141  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).
142 142  
... ... @@ -144,7 +144,6 @@
144 144  
145 145  [[image:attach:adc_mhz.jpg||height="400"]]
146 146  
147 -\\
148 148  
149 149  == Pulse energy server: Using the Struck SIS8300-L2D to detect only integrated values of pulses ==
150 150  
... ... @@ -156,35 +156,20 @@
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 -\\
160 160  
161 -
162 162  
163 -\\
164 -
165 165  [[image:attach:pulse_energy_server.jpg||height="400"]] [[image:attach:image2019-11-18_17-9-7.png||height="400"]]
166 166  
167 -\\
168 168  
169 169   jddd  server panel  Definition of the parameters
170 170  
171 -\\
172 172  
173 -\\
174 174  
175 -\\
176 176  
177 177  == Detailed expert stuff ==
178 178  
179 179  * [[ a collection of usefull things related to the OPIS ADCs>>doc:FLASH.OPIS ADC related things]]
180 180  * a list of [[doc:FLASH.our MTCA ADC cards]] (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 ..
181 181  
182 -\\
183 183  
184 -\\
185 -
186 -\\
187 -
188 -\\
189 -
190 -\\
10-0494-adq412_datasheet.pdf
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6954ds.pdf
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ACA-amilifier.pdf
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Model_6954_Amplifier_Report.pdf
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Output_behaviour_of_Mini-Circuits_Amplifier.pdf
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