2 General Operating Information
54 Keysight U2020 X-Series User’s Guide
Measurement gates
A measurement gate allows measurements to be performed on particular sections
of the input signal. The gate is defined by a start time relative to the trigger instant
and a duration. Signal samples acquired during the time interval specified by the
gate are used for the measurements in that gate. A system of up to four
independent gates is provided.
Below is an example of a 4-gate setup to perform the following measurements
simultaneously:
Average power level of the pulse Gate 1, average measurement
Average “off” power level ahead of the pulse Gate 2, average measurement
Peak-to-average ratio Gate 1, peak-to-average measurement
Pulse droop
Gate 3, average measurement, minus Gate 4,
average measurement
Gate 3
Trigger
Gate 2
Gate 4
Gate 1
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