Operating instructions

46882-311D 5-1
Chapter 5
ACCEPTANCE TESTING
Contents
Introduction.................................................................................................................................... 5-2
Results tables.......................................................................................................................... 5-2
Before starting ........................................................................................................................ 5-2
Test equipment ....................................................................................................................... 5-3
RF output tests ............................................................................................................................... 5-4
Carrier frequency accuracy..................................................................................................... 5-4
RF output level ....................................................................................................................... 5-5
ALC linearity...................................................................................................................5-6
BNC output mode............................................................................................................ 5-6
Attenuator accuracy......................................................................................................... 5-6
Alternative attenuator functional check........................................................................... 5-7
Spectral purity......................................................................................................................... 5-7
Harmonics, spurious, RF carrier leakage, residual FM.................................................... 5-7
Amplitude modulation.......................................................................................................... 5-10
Frequency modulation .......................................................................................................... 5-12
AF output tests............................................................................................................................. 5-13
Audio generator output level ................................................................................................ 5-13
Audio generator distortion.................................................................................................... 5-14
Audio generator frequency ................................................................................................... 5-14
AF input tests............................................................................................................................... 5-15
Audio frequency meter ......................................................................................................... 5-15
Audio voltmeter.................................................................................................................... 5-16
Audio oscilloscope ............................................................................................................... 5-17
AF distortion & SINAD meter.............................................................................................. 5-19
RF input tests ............................................................................................................................... 5-19
Modulation analyzer - FM .................................................................................................... 5-19
Modulation analyzer - AM.................................................................................................... 5-22
RF frequency meter ..............................................................................................................5-24
RF spectrum analyzer ........................................................................................................... 5-25
RF broad band power meter.................................................................................................. 5-27
Options if fitted............................................................................................................................ 5-29
Options 2, 10,11, 12, 13, 14, 15, 16 & 22 ............................................................................ 5-29
Acceptance Test Results Tables................................................................................................ 5-30
List of figures
Fig. 5-1 Carrier frequency accuracy......................................................................................... 5-4
Fig. 5-2 RF level set up............................................................................................................ 5-5
Fig. 5-3 RF level set up............................................................................................................ 5-6
Fig. 5-4 Attenuator functional check........................................................................................ 5-7
Fig. 5-5 Carrier harmonics & spurious check........................................................................... 5-8
Fig. 5-6 RF carrier leakage check ............................................................................................ 5-9
Fig. 5-7 Residual FM checks.................................................................................................... 5-9
Fig. 5-8 Internal AM accuracy checks.................................................................................... 5-11
Fig. 5-9 Internal FM accuracy checks.................................................................................... 5-12
Fig. 5-10 Audio generator level accuracy checks..................................................................... 5-13
Fig. 5-11 Audio generator signal purity checks........................................................................ 5-14
Fig. 5-12 Audio frequency meter check................................................................................... 5-16
Fig. 5-13 Audio voltmeter level accuracy checks..................................................................... 5-17
contd./...
List of figures
(continued)