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Installation Procedure for the Upgrade
Step 13.Install the Bias Tees and the Attenuator Assemblies
If your analyzer's serial number prefix is MY/SG/US5321 and above: Follow the two instructions
shown in
Figure
7. New parts are listed in
If your analyzer's serial number prefix is MY/SG/US5310 and below: Remove the old A38 bias tee
and A41 bias tee from the PNA. For instructions, click the Chapter 7 bookmark, "Removing and
Replacing the A38 - A41 Bias Tees" in the PDF Service Guide
Discard the bias tees you just removed from the PNA. These old bias tees have 2.4 mm connectors
and must be replaced with the new bias tees (3.5 mm connectors) included in the kit.
1. As shown in
Figure
brackets so that the port 1 and port 2 bias tees capacitors face each other.
2. Secure each bias tee to the attenuator brackets reusing two screws (item
each. Make sure that the attenuators are oriented as shown.
3. Follow the two instructions shown in
document.
"Downloading the Online PNA Service Guide" on page 5
1. See
19
Installing these bias tees backwards will cause damage to the analyzer
source modules.
Table 1 on page 7
6, position the new A38 bias tee and A41 bias tee on the attenuator
Figure
of this document.
1
.
7. New parts are listed in
.
Installation Note N5242-90017
- 0515-2994) for
Á
Table 1 on page 7
of this
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