VeEX RXT-6000e, User Manual

Page: 184 / 387

Setup
1. Test Type offers a selection of “1PPS Absolute Phase Error” for timing error measurements or “Clock Wander
Measurement” for frequency stability measurements
2. Reference Clock Source offers a selection of external or internal (optional) frequency or timing references
3. The Test Signal is the clock that needs to be measured for stability and/or accuracy
4. Test Mode lets user select between Manual start/stop and Timed measurements. If Timed is selected, users can
set the length of the test in seconds, minutes, hours or days. Once the selected time has elapsed the test
automatically stops.
5. Save to USB can be turned ON to write all wander or phase measurements to a FAT32 USB Memory stick in
real time, to be analyzed later on. User can also set the sampling rate (samples per second).
6. File Types available are the proprietary “VeEX” format (compatible with VeEX Wander Analysis PC software”
and an open CSV format that can be analyzed or formatted with a spreadsheet program (e.g. Excel or Numbers)
or could be imported to other analysis software.
7. File Name identifies the new folder in which all configuration and measurement data will be stored. This folder
will be created in the root of the memory stick.
8. Tap on the
Start
button to initiate the measurements and data logging.
9. Tap on the Stop button to force the measurement and data logging to stop. This will also stop a Timed test, even
if the total time has not finished yet.
Results
Results
Wander results are presented in nanoseconds and include: (1) Current TIE, (2) Highest TIE recorded, (3) Lowest or
RXT-6200_RXT6000e_Module_Manual Page 184 of 387