Power Level And Calibration Constant Adjustment - Agilent Technologies 83620A Service Manual

Table 3-9. Power Level and Calibration Constant Adjustment
Power Level
(dBm)
0.0
0
10.0
0
20.0
+10.0
11. On the synthesizer, set:
POWER LEVEL 18 dBm
5 5
Adjust A10R125, +20 dBm, until the power meter and the power level
setting are the same. Figure 3-25 shows the location of A10R125.
12. Repeat steps 8 through 12 until the power accuracy for each calibration
6
constant is within
3-94 Adjustments
ALC Power Level Accuracy
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Calibration Constant Adjustment
#265 LVL DAC Ofs Lo Bnd
#252 LVL DAC Gain Lo Bnd
#284 ALC Det Ofs; Lo
#293 ALC Det Log Brkpt; Lo
5
Figure 3-25. A10R125 Location
0.01 dBm.
HP 8360