How To Tune Vhf Duplexer High Notch Loop Assemblies; Tuning Vhf Duplexer Low Notch Loop Assemblies; Figure 5-7 Test Equipment Set Up For Tuning Vhf Duplexer Low Notch Loop Assemblies - Motorola GTR 8000 Manual

GTR 8000 Base Radio

5.9.4.4.1 How To Tune VHF Duplexer High Notch Loop Assemblies

Procedure Steps
Set up test equipment as shown in
1
2 Use the tuning tool to adjust trimmer screws for cavity # 1 to obtain minimum reading on millivoltmeter.
(Adjust trimmer screws equally to obtain minimum. Reduce the range on the millivoltmeter as necessary to
reach true minimum reading.)
3 Repeat steps 1 and 2 for cavities 2 and 3.

5.9.4.5 Tuning VHF Duplexer Low Notch Loop Assemblies

Figure 5-7 Test Equipment Set Up for Tuning VHF Duplexer Low Notch Loop Assemblies

5-18
Figure 5-6.
6871022P86-A - November 2012