2
General Power Meter Functions
82
Keysight N8262A User’s Guide
Setting Measurement Limits
You can configure the power meter to detect when a measurement has crossed
over a predefined upper and/or lower limit value.
Limits are boundaries set for a certain power range and it can be applied to
power, ratio or difference measurement.
Figure 2-39
Limits checking applications
In this application a swept frequency signal is applied to the input of the Device
Under Test. The power meter measures the output power. The limits have been
set at +4 dBm and +10 dBm. A fail occurs each time the output power is outside
these limits as shown in
Figure 2-40
Limits checking results
OUT
Swept Source
OUT
OUT
Device Under
Test
Power Meter
F
o
o
o
o
o
o
o
Upper Limit Line
Lower Limit Line
Amplitude
+10 dBM
+4 dBM
Fail
Fail
