Lo Offset Adjustment - Agilent Technologies E8362B Service Manual

PNA Series Microwave Network Analyzers
E8362B, E8363B, E8364B

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
Equipment Type
Power meter
Power sensor, 2.4 mm
Adapter, 3.5 mm (m) to 2.4 mm (f)
Adapter, SMA (m) to SMA (f),
right angle
5/16 inch, open-end torque wrench
(set to 10 in-lbs)
a. The E4413A 3.5 mm power sensor may be used instead of the 8487A power
sensor and 11901D adapter.
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
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
Service Guide E8364-90026
Model or Alternate Model
Part Number or Part Number
E4418B/E4419B E4418A/E4419A
8487A
E4413A
11901D
1250-1249 Equivalent
8710-1765 N/A
"Removing the Covers" on page
Tests and Adjustments
Adjustments
a
7-6.
3-45