TB 9-6625-2339-35
Table 22. Displayed average noise level (10 Hz
RBW)
Test instrument
Start frequency
Stop frequency
Resolution BW
Video BW
Display line indication
Max (dBm)
10
MHz
1 GHz
10 Hz
1 Hz
135
1
GHz
2 GHz
10 Hz
1 Hz
134
2
GHz
3 GHz
10 Hz
1 Hz
131
3
GHz
6 GHz
10 Hz
1 Hz
131
6
GHz
12 GHz
10 Hz
1 Hz
129
12
GHz
18 GHz
10 Hz
1 Hz
126
(27) Press TI keys and enter values as listed in (a) and (b) below:
(a) AMPLITUDE, [More], [Ref Lvl Offst], 0, [dB].
(b) Preset.
(28) Disconnect equipment setup.
b. Adjustments. None
a. Performance Check
(1) Connect 50 Ω termination to TI INPUT 50Ω.
(2) Press TI keys and enter values as listed in (a) through (j) below:
(a) Preset.
(b) Factory Preset softkey if it is displayed.
(c) FREQUENCY, [Start Freq], 150, [kHz].
(e) AMPLITUDE, 60, [-dBm].
(g) BW/Avg, 3, [kHz].
(h) BW/Avg, [Video BW], 1, [kHz].
(i) Display, [Display line] (On), 90, [-dBm].
(j) Single.
(3) When sweep is finished, look for any residual responses at or above TI display line.
NOTE
If a residual is suspected, press TI Single key again. A
residual response will persist on successive sweeps, but a noise
peak will not.
(4) Press TI keys and enter values as listed in (a) through (j) below:
(a)
Preset.
(b)
Factory Preset softkey if it is displayed.
(c)
FREQUENCY, 5.9, [MHz].
(d)
(e)
SPAN, 10, [MHz].
AMPLITUDE, 60, [-dBm].
(f)