Loading ...
Loading ...
Loading ...
SIGLENT
66 User Manual
3.2.3.4 Ref Level
Set the reference level to indicate the minimum value that the current grid can display. This value is also
displayed in the left status bar of the screen.
Table 3-7 Ref Level
Parameter
Explanation
Default
0 dB
Range
-1000 dB ~ 1000 dB
Unit
dB
Knob Step
1 dB
Direction Key Step
10 dB
3.2.3.5 Ref Position
The vertical position of the currently selected trace in the screen can be adjusted by adjusting the
reference position.
When set to 5, the reference level of the trace is in the middle of the screen, 0 is at the bottom of the
screen grid, and 10 is at the top of the screen grid.
Table 3-8 Ref Position
Parameter
Explanation
Default
5 Div
Range
0 Div ~ 10 Div
Unit
Div
Knob Step
1 Div
Direction Key Step
1 Div
3.3 Sweep and Functions
3.3.1 BW
3.3.1.1 IFBW
The VNA converts the received signal from its source to a lower intermediate frequency (IF).Reducing
the IF receiver bandwidth reduces the effect of random noise on a measurement.However, narrower IF
bandwidths cause longer sweep times.
The default value 10 kHz.
Loading ...
Loading ...
Loading ...