Agilent Technologies 8360 L Series, Service Manual

Page: 326 / 603

9.
On the syn thesizer, select
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Modify Cal and, using the rotary knob, mo dify the calibration
constan t so that the p o w er meter and the p o w er lev el setting are the same.
10. Repeat steps 8 through 10 for eac h p o w er lev el and calibration constan t given in
T able 3-9.
T able 3-9. P o w er Lev el and Calibration Constant Adjustment
P o w er Lev el
(dBm)
Calibration Constan t Adjustmen t
0.0 #265 L VL D A C Ofs Lo Bnd
010.0 #252 L VL D A C Gain Lo Bnd
020.0 #284 ALC Det Ofs; Lo
+10.0 #293 ALC Det Log Brkpt; Lo
11. On the syn thesizer, set:
4 POWER LEVEL 5 4 18 5 4 dBm 5
Adjust A10R125, +20 dBm, un til the p o w er meter and the p o w er lev el setting are the
same. Figure 3-25 sho ws the lo cation of A10R125.
Figure 3-25. A10R125 Location
12. Repeat steps 8through 12 un til the p o w er accuracy for eac h calibration constan t is within
60.01 dBm.
High Band P o w er Accuracy Adjustment
13. On the syn thesizer, set:
4 CW 5 4 10 5 4 GHz 5
4 SERVICE 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Adjust Menu
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Calib Menu
Agilent 8360 Adjustments
ALC P o w er Lev el Accuracy
3-69