General Power Meter Functions
2
Keysight N1913/1914A User’s Guide
87
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 2-23
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 2-24
Limits checking results
Power Meter
Swept Source
OUT
OUT
Device
Under Test
+4 dBm
+10 dBm
Amplitude
Frequency
o
o
o
o
o
o
o
Fail
Fail
Upper limit line
Lower limit line
Содержание 1914A
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