Motorola GTR 8000 - Figure 5-17 Verifying UHF Duplexer Insertion Loss - Connecting Test Equipment; How to Tune UHF Duplexer Low Notch Loop Assemblies; Verifying UHF Duplexer Insertion Loss

5.9.5.5.1HowToTuneUHFDuplexerLowNotchLoopAssemblies
5.9.5.5.1HowToTuneUHFDuplexerLowNotchLoopAssemblies
ProcedureSteps
1SetuptestequipmentasshowninFigure5-16.
2Usescrewdrivertoadjustnotchadjustmentscrewforcavity#4toobtainaminimumreadingonthe
millivortmeter.(Reducetherangeonthemillivoltmeterasnecessarytoreachtrueminimumreading.)
3Useanopen-endwrenchandtightenlocknutcarefully,makingsurenotchadjustmentscrewdoesnotshift
position.
4Repeatsteps2and3forcavities5and6.
5.9.5.6VerifyingUHFDuplexerInsertionLoss
Figure5-17VerifyingUHFDuplexerInsertionLoss—ConnectingTestEquipment
6871022P86-A-November20125-29