Instructions

66 T3VNA User Manual
Table 3-3 Stop Freq
Parameter
Explanation
Default 1.5 GHz
[5]
Range 10.0001 MHz - 1.5 GHz
[6]
Unit GHz, MHz, kHz, Hz
Knob Step Span/200, min 1 Hz
Direction Key Step Span/10, min 1 Hz
Related to Start Freq, Center Freq
Note:
[1] - [6] Dierent models have dierent values. Please refer to the T3VNA Data Sheet.
3.1.2 Span
Switch to the Span Settings menu by pressing Span on the front panel. When entering the span menu,
the “Span” is selected by default. Any change of this parameter will affect the frequency parameters
and restart the sweep.
3.1.2.1 Span
Set the frequency range of the current sweep.
 The start and stop frequency vary with the span when the center frequency is constant.
 In vector network analysis mode, the minimum sweep span is 100 Hz, and zero span cannot be
set.
 When the span is set to the maximum, the analyzer enters full sweep mode.
Table 3-4 Span
Parameter Explanation
Default Full Span
Range 100 Hz - Full Span
Unit GHz, MHz, kHz, Hz
Knob Step Span/200, min 1 Hz
Direction Key Step In 1-2-5 sequence
Related to Start Freq, Center Freq, Stop Freq
3.1.2.2 Full Span
Set the span of the analyzer to the maximum available frequency span.
3.1.2.3 Last Span
Set the span to the previous span setting.