TB 9-6625-2340-24
(10) Repeat technique of (7), (8) (e), (f), and (9) above for remaining TI REFERENCE
LEVEL, VIDEO BW and synthesizer/level generator settings in table 11.
Table 11. IF Gain Uncertainty (10 dB Steps)
Synthesizer/level generator
Test instrument
a eviation marker
D
Amplitude
Reference level
Video BW
mplitude indication
(dBm)
(dBm)
(Hz)
(dB)
2
0
100
12
10
100
22
20
100
32
30
100
42
40
100
52
50
100
62
60
10
72
70
10
32
801
100
42
90
100
52
100
10
62
110
10
72
120
10
1Press
TI SHIFT, and ENTER dB/DIV keys.
(11) Press TI keys as listed in (a) through (e) below:
2-22 GHz.
(a)
RECALL, 7.
(b)
REFERENCE LEVEL, 1.9, dBm.
(c)
MARKER OFF.
(d)
VIDEO BW, 100, Hz.
(e)
(12) Change the synthesizer/level generator output level to 3.9 dBm and amplitude
increments to 2 dB steps.
(13) Press TI MARKER PEAK SEARCH, and keys
(14) Read the amplitude deviation from TI MARKER readout. Record displayed
amplitude level in deviation marker amplitude indication column of table 12.
(15) Repeat technique of (11) (c), (12) and (14) above for remaining TI REFERENCE
LEVEL and synthesizer/level generator settings in table12.
Table 12. IF Gain Uncertainty (2 dB Steps)
Synthesizer/level
generator
Test instrument
a eviation marker
D
Amplitude
Reference level
mplitude indication
(dBm)
(dBm)
(dB)
3.9
1.9
5.9
3.9
7.9
5.9
9.9
7.9
11.9
9.9
(16) Press TI MARKER OFF key.
37
