| ID |
Date |
Author |
Subject |
Text |
 |
|
729
|
Wed Jan 30 08:02:25 2019 |
Stefan Ritt | DRS4 domino wave stability study | The Domino wave is most stable at 5 GSPS,
slowly degrades down to 3-2 GSPS, and at
1GSPS gets some significant jitter. This |
|
|
730
|
Wed Jan 30 17:08:58 2019 |
Stefan Ritt | ROOT Macro for data acquired with the newest software | This one elog:361
should still work.
Stefan |
|
|
732
|
Sat Feb 2 10:10:22 2019 |
Stefan Ritt | Saving Rate (only 15Acq/s) | The reduction of rate is because you save
in XML format, which is an ASCII format,
so human readable, but takes long to write. |
|
|
734
|
Mon Feb 4 16:46:04 2019 |
Stefan Ritt | Different Distances between the sampling points | The sampling points are NOT equidestant,
they have varying bin widths of 150ps to
250ps at 5GS/s. That's due the way the |
|
|
736
|
Mon Feb 4 18:18:22 2019 |
Stefan Ritt | Different Distances between the sampling points | elog:361
|
|
|
738
|
Wed Feb 20 08:08:42 2019 |
Stefan Ritt | meg? | You have to change the path to libusb-1.0.lib
to the one where you installed it.
Stefan |
|
|
740
|
Wed Feb 20 12:56:56 2019 |
Stefan Ritt | meg? | No idea. Maye some access problem. Have
you tried to start your program under an
admin account? |
|
|
743
|
Thu Feb 21 09:57:53 2019 |
Stefan Ritt | no board found | Could be. Have you tried that elog:657
Stefan
|
|
|
745
|
Mon Feb 25 08:48:27 2019 |
Stefan Ritt | no board found | "dynamic" or "static"
does not matter, as long as you don't
use your program on another computer. I have |
|
|
750
|
Fri Apr 12 09:55:50 2019 |
Stefan Ritt | multi-board | Subtract 16 ns from your measured value
;-)
Stefan |
|
|
752
|
Fri Apr 12 12:50:18 2019 |
Stefan Ritt | multi-board | If you have two signal going through two
cables, the cable have never the same length
(on a scale of picoseconds), and you have |
|
|
754
|
Fri Jun 21 12:54:47 2019 |
Stefan Ritt | Evaluation firmware wait_vdd state | Dear Andrew,
the posting you mention is still
accurate. Any power supply will drop when |
|
|
757
|
Wed Jun 26 13:08:42 2019 |
Stefan Ritt | drs_exam is always reading out a sin wave | Sure, that’s correct. The example
program turns on the internal sine wave generator
in case people don’t have a real signal. |
|
|
760
|
Mon Jul 8 14:29:12 2019 |
Stefan Ritt | drs_exam is always reading out a sin wave | Actually in the original drs_exam.cpp the
sine wave oscillator is turned off with this
command |
|
|
762
|
Mon Jul 15 17:26:50 2019 |
Stefan Ritt | Evaluation Board Test Functionality | Have you set the trigger correctly to the
channel with your signal, polarity and level?
Do you undersand the difference between normal |
|
|
765
|
Thu Jul 18 11:37:56 2019 |
Stefan Ritt | Trace Impedance | The requiremnet is the same as for any
high speed analog board, there is othing
special with the DRS4. If you want to terminate |
|
|
767
|
Sat Jul 20 12:28:14 2019 |
Stefan Ritt | Trace Impedance | The DRS4 input is high impedance. So if
you like you can terminate it with 100 Ohm
differentially and route it with 100 Ohm. |
|
|
769
|
Tue Aug 20 10:44:45 2019 |
Stefan Ritt | should one deassert DENABLE while writing the write-shift register? | Hi Bill,
you keep DENABLE active all the
time to keep the Domino Wave running, but |
|
|
772
|
Tue Aug 27 09:14:03 2019 |
Stefan Ritt | DRS4 | Is a 5 GSPS oscilloscope suitable for use
with Silicon surface barier detectors?
|
|
|
775
|
Mon Oct 14 10:14:46 2019 |
Stefan Ritt | how to acquire the stop position with channel cascading | You first set A3-A0, on the next clock
cycle you issue pulses on srclk, and about
10ns after each clock pulse the output shows |
|