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38 SSA3000X Plus User Manual
value are displayed on the screen.
Table 2-20 Trigger Setup
Parameter
Explanation
Default
0 dBm
Range
-300 dBm ~ 50 dBm
Unit
dBm
Knob Step
1 dBm
Direction Key Step
10 dBm
2.2.5.3
External
In this mode, an external signal (TTL signal) is input from the [TRIGGER IN] connector at the rear panel
and trigger signals are generated when this signal fulfills the specified trigger edge condition.
Set the trigger edge in external trigger to the rising (Pos) or falling (Neg) edge of the pulse.
2.2.6 Limit
The analyzer supports Pass/Fail test function. In this function, the measured curve will be compared
with the pre-
edited curve. If the related rules are met, the result is “
Pass
”, else the result is “
Fail
”.
2.2.6.1
Limit1
Enable or disable limit1.
2.2.6.2
Limit1 Edit
Edit the properties of limit1.
Table 2-21 Limit1 Edit Menu
Function
Explanation
Type
Select upper or lower limit type. The default value is Upper.
Mode
Select limit line or limit point. The default value is Line.
Set the number of the point to be edited if you selected the point type, and
the range is 1 ~ 100.
Add point
Add a new point for editing.
X-axis
Edit the X-axis value (frequency or time) of the current point.
Amplitude
Edit the amplitude of the current point or line.
Del Point
Delete the point whose number is selected in Mode.
Del All
Delete all the points.
Save/Load
Save or load the limit file.
