Keysight E4990A - Saving Trace Data to a File

E4990A Help
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For registers having saved data, the * symbol is displayed
to the right of their softkey label. If you specify one of these, its
content is overwritten.
Recalling Instrument State for Each Channel
1. Press Channel Next (or Channel Prev) to activate a channel of which
the state you want to recall and restore.
2. Press Save/Recall > Recall Channel.
3. Click the softkey of the register in which the state you want to
restore is saved. This instrument state is recalled to the active
channel.
Deleting Saved Instrument State (Clearing all Registers)
1. Press Save/Recall > Save Channel.
2. Click Clear States. The contents of all the registers are deleted.
Saving Trace Data to a File
• Saving Data in CSV Format
• Saving Data in Touchstone Format
Other topics about Data Output
Saving Data in CSV Format
The E4990A allows the user to save data for the active trace on the active
channel to a CSV file (file extension *.csv) and to load the data into PC
application software for further processing.
Trace data are saved in the format shown below.
Example of saved trace data
"# Channel 1"
"# Trace 1"
Frequency, Formatted Data [Ohm], Formatted Data
+1.00000000000E+005, +1.65934825690E+000, +0.00000000000E+000
+1.03514217000E+005, +1.60404013241E+000, +0.00000000000E+000
+1.07151931000E+005, +1.54976894396E+000, +0.00000000000E+000
+1.10917482000E+005, +1.49851693224E+000, +0.00000000000E+000
+1.14815362000E+005, +1.44754297200E+000, +0.00000000000E+000
+1.18850223000E+005, +1.39843292454E+000, +0.00000000000E+000
The first line shows the number of the active channel at the time the data
is saved.
The second line shows the number of the active trace at the time the data
is saved.