Vhf Duplexer Low Pass Resonators Tuning Set Up; Figure 62: Test Equipment Set Up For Tuning Vhf Duplexer Low Pass Resonator; Tuning Vhf Duplexer Low Pass Resonators - Motorola ASTRO 25 GTR 8000 Manual

MN003286A01-E
Chapter 5: GTR 8000 Base Radio Optimization
5.10.4.2

VHF Duplexer Low Pass Resonators Tuning Set Up

Figure 62: Test Equipment Set Up for Tuning VHF Duplexer Low Pass Resonator

5.10.4.2.1

Tuning VHF Duplexer Low Pass Resonators

Procedure:
1 Set up test equipment as shown in
Low Pass Resonator on page
2 Push or pull tuning rod for cavity #1 to obtain a PEAK reading on the millivoltmeter
3 Using the Allen wrench, tighten the locking screw.
4 Repeat steps 2 and 3 for cavities 2 and 3.
168
Figure 62: Test Equipment Set Up for Tuning VHF Duplexer
168.