RIGOL
Chapter 2 Functions of the Front Panel
2-6
VNA User Guide
SPAN
Sets the frequency range of the current channel. Press
SPAN
to enter the span
setting menu. You can also tap the function keypad at the top of the screen to select
SPAN.
In this menu, Span is, by default, selected.
Changing this parameter will change the frequency parameters, and after the span is
changed, the sweep restarts.
Span
Sets the frequency range of the current channel.
Remarks:
⚫
When you modify the span, the start and stop frequency will be modified
automatically if the center frequency remains to be unchanged.
⚫
When the span is set to a maximum value, the analyzer enters full span mode.
Table 2-6 Span
Parameter
Remarks
Default
Fmax
–
1 MHz
Range
[1]
10 Hz to (Fmax - 100 kHz)
Unit
GHz, MHz, kHz, Hz
Knob Step
step = span/200, Min = 2 Hz
Left/Right Arrow Key Step
Up/Down Arrow Key Step
at 1-2-5 step
Note
[1]
:
If RSA3015N and RSA3030N have not been installed with the RSA3000-BW1 option, then
the frequency range of span is from 100 Hz to (Fmax
–
100 kHz).
Last Span
Sets the span to the previous span setting.
Full Span
Sets the maximum span.
Remarks:
The default value of full span is (Fmax
–
100 kHz), and it is determined by IF BW.
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