3-36 Service Guide N5230-90024
Tests and Adjustments PNA Series Microwave Network Analyzers
Adjustments N5230C
4. Click Begin Adj, and then follow the instructions as they are displayed.
EE Default Adjustment
This sets the EEPROM data to their default values.
Procedure
1. Press UTILITY , then , then , then click EE Default Adjustment.
2. On the dialog box, select the appropriate adjustment (Ex: Source Synth) for the replaced assembly.
3. On the dialog box, select Initialize rather than Adjust/Verify because an adjustment is typically
unnecessary.
4. Follow the instructions and prompts as they are displayed.
LO Power Adjustment
The LO power adjustment is used to adjust the power level of the LO signal from the A6 multiplier board to
the A20 mixer brick.
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. Place the analyzer on its side to allow access to the bottom of the analyzer.
4. Connect a GPIB cable between the analyzer and the power meter.
5. With a 5/16 inch open-end wrench, disconnect cable W3 at the A20 mixer brick. Refer to “Bottom
Cables, Option 220” on page 6-18 to determine the location of cable W3.
6. Connect the power sensor to the end of cable W3.
7. Reconnect the power and USB cables. Turn on the analyzer.
Equipment Type
Options
Used With
Model or
Part Number
Alternate Model
or Part Number
Power meter All E4418B/E4419B E4418A/E4419A
Power sensor, 3.5 mm 20 GHz models E4413A 8485A
Power sensor, 2.4 mm 40 and 50 GHz models 8487A None
Adapter, 2.4 mm (f) to 3.5 mm (m)
a
a. Required only if using the 8487A power sensor to measure a 20 GHz analyzer.
20 GHz models 11901D None
5/16-inch, open-end torque wrench
(set to 10 in-lbs)
All N/A N/A
To Next Page
Loading...
Need help?
General
