| ID | Date | Author | Subject | Text |  | 
| 888 | Fri Jul 29 17:23:43 2022 | Stefan Ritt | Spikes/noise sensitive to clock settings? | Look at the DRS4 data sheet, Figure 12. You see there the rising SRCLK pulse which
 outputs the next analog value. You also see
 |  | 
| 887 | Fri Jul 29 14:09:35 2022 | Stefan Ritt | Increase event rate, use ROI mode, and install sw from source in Mac | The firmware from the website always reads 1024 bins. You have to modify it to stop
 before that, like reading only 128 samples
 |  | 
| 886 | Tue Jul 19 02:35:04 2022 | Jingyu Zhang | Increase event rate, use ROI mode, and install sw from source in Mac | Dear experts,
 
 
 |  | 
| 885 | Fri Jun 24 09:57:36 2022 | LynseyShun | Spikes/noise sensitive to clock settings? | Hello, I now have periodic spikes in CH0 and CH1 output. How can I eliminate
 these spikes? I'm sorry I didn't
 |  | 
| 884 | Thu Jun 16 05:31:25 2022 | LynseyShun |  | Thank you very much for your help! 
 
 
 
 
 |  | 
| 883 | Tue Apr 12 10:49:27 2022 | Stefan Ritt |  | A3-A0 = 1001 should be all you need to activate OUT0-OUT7. It works in our designs.
 Maybe double check the address lines with
 |  | 
| 882 | Tue Apr 12 10:40:36 2022 | LynseyShun |  | Hello, I am Lynsey. now I set A3-A0 to 1001 in ROI mode, but only OUT0 has output,
 and the other seven channels(OUT1-OUT7) do
 |  | 
| 881 | Tue Mar 15 13:07:50 2022 | Matias Senger | Time calibration and the C++ API | Thanks for your help. If I look into the app the behavior for the 4 channels is exactly
 as you show:
 |  | 
| 880 | Mon Mar 14 08:59:51 2022 | Stefan Ritt | Time calibration and the C++ API | Looks like you have the some time calibration, not sure if it's the correct one. Sample
 the sine wave from the calibration clock,
 |    | 
| 879 | Sat Mar 12 16:52:36 2022 | Matias Senger | Time calibration and the C++ API | Dear Stefan, 
 For the time of each bin I am using
 the values returend by `GetTime` without
 |  | 
| 878 | Sat Mar 12 10:13:24 2022 | Stefan Ritt | Time calibration and the C++ API | DRSBoard::GetTime is declared in DRS.h line 720.
 
 If you want to measure timing down
 |  | 
| 877 | Fri Mar 11 17:26:15 2022 | Matias Senger | Time calibration and the C++ API | I am using the V5 board at a fixed sampling frequency. With the `drsosc` app I have executed
 the time calibration at 5 GS/s (actually
 |  | 
| 876 | Tue Mar  8 12:20:00 2022 | Matias Senger | Why does not trigger at higher sampling frequencies? | Sorry for the spam. Just want to let you know that I was able to solve the problem,
 it was all due to a `float` being casted
 |  | 
| 875 | Tue Mar  8 00:25:56 2022 | Matias Senger | Why does not trigger at higher sampling frequencies? | I have seen in the app that the trigger source buttons do something different than
 the "or" and "transparent
 |  | 
| 874 | Mon Mar  7 16:37:54 2022 | Stefan Ritt | Scaler issue to evaluate live time | I tried your measurement with the DRSOscilloscope app (see below), and I measure a constant
 difference of 10 Hz among the whole range
 |    | 
| 873 | Mon Mar  7 13:38:03 2022 | Radoslaw Marcinkowski | Problems with DRS4 Evaluation Board after Windows 10 upgrade - share of experiences | Dear DRS4 Users, 
 I would like to share my expireinces
 with using of DRS4 Evaluation Board software
 |  | 
| 872 | Mon Mar  7 08:45:32 2022 | Stefan Ritt | Why does not trigger at higher sampling frequencies? | Unfortunately I have not idea what the problem could be. In principle the trigger
 should be independent of the sampling speed,
 |  | 
| 871 | Sun Mar  6 17:54:47 2022 | Matias Senger | Why does not trigger at higher sampling frequencies? | I have connected 3 signals to the DRS4 Evaluation Board V5 which look like this
 in the drsosc app:
 |  | 
| 870 | Fri Mar  4 03:55:33 2022 | Keita Mizukoshi | Scaler issue to evaluate live time | Thank you very much for your explanation. 
 
 
 I would like to show you a pulse
 |    | 
| 869 | Thu Mar  3 16:14:16 2022 | Stefan Ritt | Scaler issue to evaluate live time | The scalers are read out 10x per seconds, so they have an accuracy of 10 Hz. I tried
 a 50 Hz pulser, and measured 40 Hz, I tried
 |  |