Giga-tronics 2500B Series Microwave Signal Generators
Performance Verification
Operation Manual, Part Number 34737, Rev C, June 30, 2011
Page 127
Table 81: Pulse Modulation: Pulse Level Accuracy
Pulse Modulation: Pulse Level Accuracy
Step
Action
1.
Allow the equipment to warm up for at least 30 minutes.
2.
Connect the equipment as shown in Figure 55 on page 126.
3.
Set the pulse generator to the following settings:
Pulse Width: 5 µs
Pulse Interval: 10 µs
Output: ≥ 2.4 Volts into 50 Ω
4.
Set the 2500B to the following settings:
Power Level: 0 dBm
External PM state: Off
Trigger Polarity: Active high
RF Output: On
5.
Set the power meter’s sensor mode to “CW”.
6.
Measure and record the CW level for each of the frequencies listed in the datasheet in the “Level
Accuracy - CW” column of the datasheet.
7.
Set the External PM state of the 2500B to On.
8.
Set the power meter’s sensor mode to “Peak,” and adjust the sample delay to 500 ns.
9.
Measure and record the peak level for each of the frequencies listed in the datasheet in the “Level
Accuracy - Pulse” column of Datasheet 10.
10.
Compare the CW levels to the peak (Pulse) levels in the datasheet, and record the difference in the
“Level Accuracy - Delta” column.
11.
After you have entered all of the test results onto the datasheet, compare the test results with the
following to verify compliance of the 2500B:
End of Procedure
