Changes for page MTCA ADCs

Last modified by sndueste on 2024/07/08 09:50
From version 12.1
edited by sndueste
on 2019/11/18 17:13
Change comment: There is no comment for this version
To version 5.1
edited by sndueste
on 2019/08/22 15:52
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
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1 -Content:
1 +=== General info ===
2 2  
3 +\\
3 3  
4 -
5 -{{toc/}}
6 -
7 -----
8 -
9 -= General info =
10 -
11 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 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 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"]]
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15 15  
16 16  \\
17 17  
18 -= Our ADC cards =
12 +=== Our ADC cards ===
19 19  
20 -== GHz ADCs: SP-Devices ADQ412AC ==
14 +\\
21 21  
16 +==== SP-Devices ADQ412AC ====
17 +
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 and can be operated with a jddd panel:
20 +The cards are connected via Patch panels to the Experimental endstations.
25 25  
26 -[[image:attach:image2019-10-21_15-21-23.png||width="800"]]
27 -
28 28  \\
29 29  
30 -\\
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 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"]]
26 +* 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. The available ADCs
27 +* 5x, 10x, 20 x 50x and 100x
28 +* And the  [[ test of the Phillips scientific amplifier>>attach:Model_6954_Amplifier_Report.pdf]]
34 34  
35 35  \\
36 36  
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57 57  |(((
58 58  Sampling rate
59 59  )))|(((
60 -2 *
55 +2
61 61  )))|(((
62 62  GSPS
63 63  )))
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75 75  |(((
76 76  Sampling rate
77 77  )))|(((
78 -4 *
73 +4
79 79  )))|(((
80 80  GSPS
81 81  )))
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87 87  GHz
88 88  )))
89 89  
90 - ~* 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 -
92 92  \\
93 93  
94 94  ===== ADC and DOOCS / DAQ =====
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122 122  
123 123  \\
124 124  
125 -== Amplifiers for the GHZ ADCs ==
118 +==== Struck SIS8300-L2D ====
126 126  
127 -* **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.
128 -* The available ADCs 5x, 10x, 20 x 50x and 100x
129 -* The ADCs can be borrowed from Markus Braune
130 -* 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]]
131 -
132 -\\
133 -
134 -== 108 MHz ADCs:  Struck SIS8300-L2D ==
135 -
136 136  There is one in each of the MTCAs in the hall: MTCA-EXP1 at PG/BL1, the other at BL2 and BL3.
137 137  
138 138  They are 16 bit, 10 channel, 125 MS/s ADCs.
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150 150  
151 151  \\
152 152  
153 -== Pulse energy server: Using the Struck SIS8300-L2D to detect only integrated values of pulses ==
137 +==== Using the Struck SIS8300-L2D to detect only integrated values of pulses ====
154 154  
155 -FS-LA (Falko Peters) programmed a pulse detection server that automatically detects peaks in the signal and integrates the samples around the peak.
139 +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:
156 156  
157 -Things to set:
158 -
159 -* 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
141 +* Peak height: from what signal on (incounts) is the signal to be counted as peak
160 160  * 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
161 161  * 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.
162 162  
163 -\\
145 +[[~[~[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]]
164 164  
165 -[[~[~[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"]]
166 -
167 167  \\
168 -
169 - jddd  server panel  Definition of the parameters
170 -
171 -\\
172 -
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176 -
177 -\\
178 -
179 -\\