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Chapter 7
ACCEPTANCE TESTING
Contents
Introduction....................................................................................................................................7-3
Test precautions.............................................................................................................................7-3
Recommended test equipment .......................................................................................................7-4
Test procedures............................................................................................................................7-5
RF output .......................................................................................................................................7-5
Individual sources...................................................................................................................7-5
Combined RF output...............................................................................................................7-8
Carrier frequency accuracy............................................................................................................7-9
Spectral purity..............................................................................................................................7-10
Individual sources.................................................................................................................7-10
Combined RF output.............................................................................................................7-14
Internal FM ..................................................................................................................................7-16
FM deviation and distortion..................................................................................................7-17
FM scale shape .....................................................................................................................7-17
Carrier error ..........................................................................................................................7-17
External FM frequency response (ALC off, DC coupled)....................................................7-18
External FM frequency response (ALC on)..........................................................................7-19
Phase modulation.........................................................................................................................7-20
Phase modulation..................................................................................................................7-20
Phase modulation flatness.....................................................................................................7-20
Amplitude modulation .................................................................................................................7-21
AM depth and distortion.......................................................................................................7-21
AM scale shape.....................................................................................................................7-22
External AM frequency response (ALC off, DC coupled)...................................................7-22
Pulse modulation..........................................................................................................................7-24
Pulse modulation RF level frequency response....................................................................7-24
Pulse modulation on/off ratio ...............................................................................................7-25
Pulse modulation rise and fall time.......................................................................................7-26
Modulation oscillator...................................................................................................................7-26
Modulation oscillator frequencies.........................................................................................7-27
Modulation oscillator distortion and LF output flatness.......................................................7-28
External frequency standard input ...............................................................................................7-28
Acceptance test results tables....................................................................................................7-31
List of tables
Table 7-1 RF output at 0 dBm ..................................................................................................7-31
Table 7-2 RF output at +6 dBm................................................................................................7-32
Table 7-3 RF output at +13 dBm..............................................................................................7-33
Table 7-4 RF output at +24 dBm..............................................................................................7-34
Table 7-5 ALC linearity at 2.5 MHz.........................................................................................7-35
Table 7-6 ALC linearity at 500 MHz........................................................................................7-36
Table 7-7 ALC linearity at 2400 MHz......................................................................................7-37
Table 7-8 Attenuator test at 2.6 MHz .......................................................................................7-38
Table 7-9 Attenuator test at 540.1 MHz ...................................................................................7-38
Table 7-10 Attenuator test at 1140.1 MHz .................................................................................7-39
Table 7-11 Attenuator test at 1740.1 MHz .................................................................................7-39
Table 7-12 Attenuator test at 2399 MHz ....................................................................................7-40
Table 7-13 Alternative attenuator functional test at 10 MHz......................................................7-40
Table 7-14 Combined RF output at −18 dBm.............................................................................7-41
Table 7-15 Combined RF output at −13 dBm.............................................................................7-42
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