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Table 15. Frequency Span Accuracy 1.5 GHz Center Frequency
Frequency Span Accuracy - Continued

Calibration Procedure For Spectrum Analyzer An/Usm-489A Page Navigation
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TB 9-6625-2250-24
(16) Press TI keys as listed in (a) through (e) below:
MARKER OFF.
(a)
CONTROL TRIG.
(b)
[SINGLE] wait for completion of sweep.
(c)
MARKER PEAK SEARCH.
(d)
[MARKER DELTA].
(e)
(17) Set synthesized signal generator frequency to 9.000004 GHz.
(18) Press TI keys as listed in (a) through (c) below:
(a) CONTROL TRIG.
(b) [SINGLE] wait for completion of sweep.
(c) MARKER PEAK SEARCH.
MKR indication will be between 7.6 and 8.4 kHz.
(19) TI
(20) Press TI SPAN key then [SPAN WIDTH] to 20 MHz.
(21) Set synthesized signal generator frequency to 8.992 GHz.
(22) Press TI keys as listed in (a) through (e) below:
MARKER OFF.
(a)
CONTROL TRIG.
(b)
[SINGLE].
(c)
MARKER PEAK SEARCH.
(d)
[MARKER DELTA].
(e)
(23) Set synthesized signal generator frequency to 9.008 GHz.
(24) Press TI keys as listed in (a) through (c) below:
(a) CONTROL TRIG.
(b) [SINGLE].
(c) MARKER PEAK SEARCH.
MKR indication will be between 15.2 and 16.8 MHz.
(25) TI
(26) Press TI SPAN key then [SPAN WIDTH] to 50 MHz.
(27) Set synthesized signal generator frequency to 8.98 GHz.
(28) Press TI keys as listed in (a) through (e) below:
MARKER OFF.
(a)
CONTROL TRIG.
(b)
[SINGLE].
(c)
MARKER PEAK SEARCH.
(d)
[MARKER DELTA].
(e)
(29) Set synthesized signal generator frequency to 9.02 GHz.
30


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