| ID  | Date | Author | Subject | Text |  | 
| 848 | Wed Oct 27 08:11:42 2021 | Stefan Ritt | Trigger multiple boards independently | I'm not sure if the rate would go up to 2 kHz (not 2 GHz!). Depends how the USB
 hub is designed. What you can do however
 |  | 
| 847 | Tue Oct 26 23:18:32 2021 | Javier Caravaca | Trigger multiple boards independently | Thank you Stefan. Actually I noticed that the source code of drs_exam was available after
 I started this thread, and that was the solution
 |  | 
| 846 | Tue Oct 26 15:05:18 2021 | Mehrpad Monajem | External trigger and drs_exam | Thanks for your reply. 
 1- I want to have a window size
 of 25.6ns instead of 200ns at 5GSPS. I have
 |  | 
| 845 | Tue Oct 26 12:02:56 2021 | Stefan Ritt | Trigger multiple boards independently | Unfortunately an independent operation from a single computer is not supported by
 the software. You can try to modify the drs_exam
 |  | 
| 844 | Tue Oct 26 12:00:51 2021 | Stefan Ritt | External trigger and drs_exam | 1. Why should your waveform start from 0 to 5ns? I don't get your point. Whenever
 you trigger a readout, you get a 200ns wide
 |  | 
| 843 | Tue Oct 26 10:41:46 2021 | Mehrpad Monajem | External trigger and drs_exam | Hi Stefan, 
 
 I have two problems regarding using
 |  | 
| 842 | Mon Oct 25 18:48:04 2021 | Javier Caravaca | Trigger multiple boards independently | Hello, 
 I recently acquired 4 DRS4 boards
 and I wanted to ask if it was possible to
 |  | 
| 841 | Fri Oct 15 06:15:53 2021 | Keita Mizukoshi | livetime (or deadtime) of DRS4 evaluation board | Thank you very much. 
 
 
 
 
 |  | 
| 840 | Thu Oct 14 18:42:31 2021 | Stefan Ritt | livetime (or deadtime) of DRS4 evaluation board | I would say not exactly, but it's a good approximation.
 
 
 |  | 
| 839 | Thu Oct 14 18:03:52 2021 | Keita Mizukoshi | livetime (or deadtime) of DRS4 evaluation board | Thank you very much for your response. Excuse me for my very stupid confirmation.
 If I take N events finally and the
 |  | 
| 838 | Thu Oct 14 15:25:07 2021 | Stefan Ritt | livetime (or deadtime) of DRS4 evaluation board | The one thing you can do easily is to look at the scaler values. If one channel counts
 all physical events, and you have all read
 |  | 
| 837 | Thu Oct 14 15:19:00 2021 | Keita Mizukoshi | livetime (or deadtime) of DRS4 evaluation board | Dear experts, 
 
 
 I would like to use the DRS4 evaluation
 |  | 
| 835 | Sat Sep 18 15:48:30 2021 | Stefan Ritt | drs_exam_multi with non-v4 boards, default configuration | Hi, 
 please note the the evaluation
 board is what it says, a board to evaluate
 |  | 
| 834 | Sat Sep 18 15:47:50 2021 | Stefan Ritt | how to acquire the stop channel with 2x4096 cascading | The problem must be on your side, since the Write Shift Register readout works in
 other applications with the DRS4 chip. So
 |  | 
| 833 | Thu Sep 16 19:04:06 2021 | Patrick Moriishi Freeman | drs_exam_multi with non-v4 boards, default configuration | Hello, 
 I made a modified version drs_exam_multi.cpp,
 but ran into an issue when running.  When
 |  | 
| 832 | Mon Sep  6 14:42:23 2021 | Jiaolong | how to acquire the stop channel with 2x4096 cascading | Hi Steffan, 
 I have a question
 about how to acquire the stop channel:
 |  | 
| 831 | Tue Aug 10 13:57:09 2021 | Mehrpad Monajem | C code to read the 4 channel with external trigger | Thank you for the reply. 
 In the version that I have, I cannot
 find drs_exam_2048.cpp file. Could you please
 |  | 
| 830 | Mon Aug  9 12:50:31 2021 | Stefan Ritt | C code to read the 4 channel with external trigger | Sorry the late reply, I was on vacation. 
 Here are some answers:
 
 1. I'm sorry I can't help
 |  | 
| 829 | Wed Jul 14 14:55:09 2021 | Mehrpad Monajem | C code to read the 4 channel with external trigger | Hi there, 
 Recently I bought a 5GSPS evaluation
 board with 2048 sampling points.
 |  | 
| 828 | Wed May  5 10:12:44 2021 | Stefan Ritt | recording only timestamp and amplitude and/or filesize maximum | The maximum file size depends on the underlying linux file system. Common values are 4-16
 GBytes.
 |  |