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HP4402.book : chapter2.fm 33 Wed Apr 23 15:29:05 1997
Power Meter Operation
Setting Measurement Limits
HP EPM-442A User’s Guide 2-33
Figure 2-8: 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 2-8.
Checking for Limit Failures
Limit failures are displayed in the appropriate field in the measurement
window on the power meter’s display as shown in Figure 2-9.
+
4 dBm
+
10 dBm
Amplitude
Frequency
o
o
o
o
o
o
o
Fail
Fail