Changes for page Trigger Howto

Last modified by sndueste on 2023/07/07 11:28
From version 14.1
edited by grunewal
on 2019/12/06 13:59
Change comment: There is no comment for this version
To version 18.1
edited by sndueste
on 2020/01/21 13:04
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.grunewal
1 +XWiki.sndueste
Content
... ... @@ -102,8 +102,6 @@
102 102  
103 103  \\
104 104  
105 -\\
106 -
107 107  = Set a constant frequency to a channel =
108 108  
109 109  =
... ... @@ -153,30 +153,64 @@
153 153  
154 154  \\
155 155  
154 +== General FLASH frequencies: ==
155 +
156 156  \\
157 157  
158 +(% class="relative-table wrapped" style="width: 19.422%;" %)
159 +|(% class="highlight-grey" title="Hintergrundfarbe : Grau" data-highlight-colour="grey" %)(((
160 +(% style="color: rgb(0,0,0);" title="" %)**Name          
161 +**
162 +)))|(% class="highlight-grey" title="Hintergrundfarbe : Grau" data-highlight-colour="grey" %)(((
163 +(% style="color: rgb(0,0,0);" title="" %)**Frequency                
164 +**
165 +)))|(% class="highlight-grey" title="Hintergrundfarbe : Grau" data-highlight-colour="grey" %)(((
166 +(% style="color: rgb(0,0,0);" title="" %)**Divider**
167 +)))
168 +|(((
169 +1.3 GHz
170 +)))|(((
171 +1300.000000 MHz
172 +)))|(((
158 158  \\
174 +)))
175 +|(((
176 +108 MHz
177 +)))|(((
178 +108.333333 MHz
179 +)))|(((
180 +12
181 +)))
182 +|(((
183 +9 MHz
184 +)))|(((
185 +9.02777777 MHz
186 +)))|(((
187 +144
188 +)))
189 +|(((
190 +4.5 MHz
191 +)))|(((
192 +4.513888 MHz
193 +)))|(((
194 +288
195 +)))
196 +|(((
197 +1 MHz
198 +)))|(((
199 +1.003086 MHz
200 +)))|(((
201 +1296
202 +)))
159 159  
160 160  \\
161 161  
162 162  Once a clock is configured with the right frequency one can choose in the "expert panel" of the according channel the "FPGA clock" in the "input source select"  chooser.
163 163  
164 -\\
165 -
166 -\\
167 -
168 -\\
169 -
170 170  One has to set the delay to values less than the repetition rate ... (so for 1 MHz between 0 and 990 µs)  and the trigger width also less than the rep rate ...
171 171  
172 -\\
210 +This results in a continuous train of pulses with the set trigger width.
173 173  
174 -\\
175 -
176 -\\
177 -
178 -This results in a continuous train of pulses with the set trigger width :
179 -
180 180  = Creating an (own) burst trigger =
181 181  
182 182  One can use now a SECOND trigger channel which is set to a regular 10 Hz trigger  and gate the clock output to create a burst with defined start point and length,