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SNA5000A Vector Network Analyzer User Manual 40
Select "Auxiliary Trigger" - "Global" vector network analyzer preferences, On the "Trigger
Settings " tab, the "Dot " Settings are set. After that, this setting applies to all channels. When
multiple channels exist, the channel settings set last are used.
Pulse Duration: Specify the duration of a positive or negative output trigger pulse.
2.6 Data format
The data format is the method by which the vector network analyzer displays the
measured data graphically. Select the data format that corresponds to the information you want
to know about the test device.
2.6.1 Display format
Operating steps:
Press Format, Use the knob or arrow keys to focus on the Format parameter item. Press
ENTER or the Knob to enter the parameter editing state, then move the cursor to the specified
position by the up and down arrow keys or the knob, and press ENTER or the knob to select
the current option.
2.6.2 LF Cartesian coordinates display format
Nine of the twelve available data formats use rectangular displays to present
measurement data. This display is also known as Cartesian, XY, or linear coordinates. The
Cartesian coordinate display is especially suitable for clearly displaying the frequency
response information of the device-under-test (DUT).
• The excitation data (frequency, power, or time) is linearly scaled and displayed on the X-
axis
• The measured response data is displayed on the Y-axis
Log amplitude scheme:
• Display amplitude (no phase)
• Y: dB
• Typical measurements: Return loss, insertion loss, or gain
• Display phase (no amplitude)
Phase format:
The phase of the signal is measured relative to the calibration reference plane, within
a range of ±180 degrees.
• Y: Phase (degrees)
• Each 180-degree trace is "wrapped" for easy scaling
• Typical measurement: Linear phase shift.
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