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682XXB/683XXB MM A-5
3-8 Spurious Signals Test: RF Output Signals <2 GHz
This test is not applicable to the 68237B/68337B model.
3-9 Harmonic Test: RF Output Signals From 2 to 20 GHz
Test Procedure (2 to 10 GHz)
Measured Value Upper Limit
Set F1 to 2.1 GHz
Record the level of all harmonics of the 2.1 GHz carrier:
4.2 GHz (2nd harmonic) .....................
6.3 GHz (3rd harmonic)......................
8.4 GHz (4th harmonic)......................
10.5 GHz (5th harmonic)......................
12.6 GHz (6th harmonic)......................
14.7 GHz (7th harmonic)......................
16.8 GHz (8th harmonic)
......................
18.9 GHz (9th harmonic)
......................
_______________dBc
_______________dBc
_______________dBc
_______________dBc
_______________dBc
_______________dBc
_______________dBc
_______________dBc
–60 dBc*
–60 dBc*
–60 dBc*
–60 dBc*
–60 dBc*
–60 dBc*
–60 dBc*
–60 dBc*
Set F1 to 3.6 GHz
Record the level of all harmonics of the 3.6 GHz carrier:
7.2 GHz (2nd harmonic)
.....................
10.8 GHz (3rd harmonic)
......................
14.4 GHz (4th harmonic)
......................
18.0 Ghz (5th harmonic)
......................
_______________dBc
_______________dBc
_______________dBc
_______________dBc
–60 dBc*
–60 dBc*
–60 dBc*
–60 dBc*
Set F1 to 7.0 GHz
Record the level of all harmonics of the 7 GHz carrier:
14.0 GHz (2nd harmonic)
.....................
_______________dBc –60 dBc*
Set F1 to 10.0 GHz
Record the level of all harmonics of the 10 GHz carrier:
20.0 GHz (2nd harmonic)
.....................
_______________dBc –60 dBc*
* –50 dBc if Option 15B (High Power) installed.
TEST MODEL
RECORD 68237B/68337B