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Figure 2-3
System-Level Rise and Fall Time Performance Test
The rise and fall time performance of the instrument path must be quantified
accurately. This test however, is more of a system-level verification, validating the
rise and fall time with the N1911/2A using an actual RF pulse.
Test equipment
•
Signal generator (N5182A)
•
Power meter (N1911/2A)
•
Diode detector
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Oscilloscope with bandwidth >1 GHz
•
Trigger cable (U2032A)
•
Wideband power sensor (N1921/2A)
System specification
Rise/fall time: ≤13 ns ±% error
•
Overshoot: ≤5%
•
Measured rise time percentage error versus signal under test rise time
Test procedure
1 Turn on the N5182A, oscilloscope, and N1911/2A.
2 Allow the system to warm up for approximately an hour before starting the
measurement.
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