HP4402.book : chapter2.fm 44 Thu Feb 11 15:53:59 1999
Power Meter Operation
Setting Measurement Limits
2-44 HP E4418B User’s Guide
Figure 2-11: Limits Checking Application
Figure 2-12: Limits Checking Results
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 2-12.
Setting Window Limits
The power meter can be configured to verify the current measurement in
either window against predefined upper and/or lower limit values. The
range of values that can be set for the upper and lower limits and the
Power Meter
Swept Source
CHANNEL A
INPUT
OUT
IN
OUT
Device
Under Test
+4 dBm
+10 dBm
Amplitude
Frequency
o
o
o
o
o
o
o
Fail
Fail
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