2 Performance Tests
58 Keysight E4416A/E4417A Power Meters Service Guide
Time Base Accuracy Test
Specification
Description
This test measures the accuracy of the power meter's time base frequency. Time
base frequency determines the accuracy of the sampling rate when making
measurements. Time base frequency is measured by attaching a frequency
counter to the Trig Out socket on the rear of the power meter then enabling test
mode from the service menu.
Equipment
– Frequency counter: Keysight 53132A.
Test Setup
Electrical Characteristics Performance Limits
Frequency accuracy 10 MHz ±0.01%
Figure 2-9 Time Base Accuracy Test Setup
Power Meter (rear)
Trig out
Frequency Counter
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