Service Guide E8364-90038
3- 43
PNA Series Microwave Network Analyzers
Tests and Adjustments
E8362C, E8363C, E836C
Adjustments
LO Offset Adjustment
The LO power adjustment is used to adjust the power level of the LO signals from the A20 LO distribution
assembly. This adjustment is done for only one LO output. The differences between each LO output is
negligible; therefore, separate adjustments are not required.
Equipment used for the LO Power Adjustment
Procedure
1. Turn off the network analyzer and remove the power cable and other external cables from the rear panel.
2.
Remove the outer cover. Refer to
“Removing the Covers” on page 7-6
.
3.
Connect a GPIB cable between the analyzer and the power meter.
4.
Remove the semi-rigid cable connected to J3 LO OUT and the RECEIVER LO IN on the A13 frequency
offset receiver assembly.
5. Connect the right angle adapter to A13 LO OUT connector.
Figure 3-20
Setup for the LO Offset Adjustment
6. Connect the power sensor 8487A and the 11901D adapter or the E4413A power sensor to the end of the
Equipment Type
Model or
Part Number
Alternate Model
or Part Number
Power meter
E4418B/E4419B
E4418A/E4419A
Power sensor, 2.4 mm
8487A
E4413A
a
a. The E4413A 3.5 mm power sensor may be used instead of the 8487A power sensor and
11901D adapter.
Adapter, 3.5 mm (m) to 2.4 mm (f)
11901D
Adapter, SMA (m) to SMA (f), right angle
1250-1249
Equivalent
5/16 inch, open-end torque wrench (set to
10 in-lbs)
8710-1765
N/A
Summary of Contents for E8362C
Page 11: ...Service Guide E8364 90038 1 1 1 Safety and Regulatory Information ...
Page 21: ...Service Guide E8364 90038 2 1 2 General Product Information ...
Page 33: ...Service Guide E8364 90038 3 1 3 Tests and Adjustments ...
Page 81: ...Service Guide E8364 90038 4 1 4 Troubleshooting ...
Page 137: ...Service Guide E8364 90038 5 1 5 Theory of Operation ...
Page 171: ...Service Guide E8364 90038 6 1 6 Replaceable Parts ...
Page 257: ...Service Guide E8364 90038 7 1 7 Repair and Replacement Procedures ...
Page 341: ...Service Guide E8364 90038 8 1 8 General Purpose Maintenance Procedures ...