Changes for page Trigger Howto

Last modified by sndueste on 2023/07/07 11:28

From version 15.1
edited by sndueste
on 2020/01/21 12:57
Change comment: There is no comment for this version
To version 14.1
edited by grunewal
on 2019/12/06 13:59
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.sndueste
1 +XWiki.grunewal
Content
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102 102  
103 103  \\
104 104  
105 +\\
106 +
105 105  = Set a constant frequency to a channel =
106 106  
107 107  =
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151 151  
152 152  \\
153 153  
154 -== General FLASH frequencies: ==
155 -
156 156  \\
157 157  
158 -(% class="relative-table" style="width: 17.2254%;" %)
159 -|(((
160 -(% style="color: rgb(0,0,255);" %)Name
161 -)))|(((
162 -(% style="color: rgb(0,0,255);" %)Frequency
163 -)))|(((
164 -(% style="color: rgb(0,0,255);" %)Divider
165 -)))
166 -|(((
167 -1.3 GHz
168 -)))|(((
169 -1300.000000 MHz
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171 171  \\
172 -)))
173 -|(((
174 -108 MHz
175 -)))|(((
176 -108.333333 MHz
177 -)))|(((
178 -12
179 -)))
180 -|(((
181 -9 MHz
182 -)))|(((
183 -9.02777777 MHz
184 -)))|(((
185 -144
186 -)))
187 -|(((
188 -4.5 MHz
189 -)))|(((
190 -4.513888 MHz
191 -)))|(((
192 -288
193 -)))
194 -|(((
195 -1 MHz
196 -)))|(((
197 -1.003086 MHz
198 -)))|(((
199 -1296
200 -)))
201 201  
202 202  \\
203 203  
204 204  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.
205 205  
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169 +
206 206  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 ...
207 207  
208 -This results in a continuous train of pulses with the set trigger width.
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209 209  
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176 +\\
177 +
178 +This results in a continuous train of pulses with the set trigger width :
179 +
210 210  = Creating an (own) burst trigger =
211 211  
212 212  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,