Rigol RSA Series - Ampt

Chapter 2 Functions of the Front Panel RIGOL
VNA User Guide 2-7
AMPT
Sets the amplitude parameters of the analyzer. Press AMPT on the front panel to
enter the amplitude setting menu. You can also tap the function keypad at the top of
the screen to select AMPT.
You can modify these parameters to make the signals under test easy for you to
observe.
Ref Value
Sets the reference value of the selected trace to adjust the vertical position of the
trace on the screen.
The reference value of each trace format is shown in the following table.
Table 2-7 Reference Value
Trace Format
Default
Range
Unit
Log Mag
0
-500G to 500G
dB
Lin Mag
0
-500G to 500G
N/A
Phase
0
-500G to 500G
degree (°)
Group Delay
0
-500G to 500G
ns
Real
0
-500G to 500G
N/A
Imaginary
0
-500G to 500G
N/A
SWR
1.0
-500G to 500G
N/A
Expand Phase
0
-500G to 500G
degree (°)
Positive Phase
180
-500G to 500G
degree (°)
Return Loss(DTF)
0
-500G to 500G
dB
Log Mag(DTF)
-100
-500G to 500G
dB
Lin Mag(DTF)
0
-500G to 500G
N/A
Remarks:
When the format is "Smith" or "Polar", the reference value is unavailable.
Ref Position
Sets the reference position to adjust the vertical position of the currently selected
trace in the screen.
When it is set to 5, the reference position is located in the middle of the graticule;
when set to 0, it is at the bottom of the graticule; when set to 10, it is located at the
top of the graticule.