5.9.5.5.1 How To Tune UHF Duplexer Low Notch Loop Assemblies
5.9.5.5.1 How To Tune UHF Duplexer Low Notch Loop Assemblies
Procedure Steps
1
Set up test equipment as shown in
.
2
Use screwdriver to adjust notch adjustment screw for cavity #4 to obtain a
minimum
reading on the
millivortmeter. (Reduce the range on the millivoltmeter as necessary to reach true minimum reading.)
3
Use an open-end wrench and tighten lock nut
carefully
, making sure notch adjustment screw does not shift
position.
4
Repeat steps 2 and 3 for cavities 5 and 6.
5.9.5.6 Verifying UHF Duplexer Insertion Loss
Figure 5-17
Verifying UHF Duplexer Insertion Loss — Connecting Test Equipment
6871022P86-A - November 2012
5-29
Summary of Contents for GTR 8000
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