TB 9-6625-2333-24
Table 5. -60 dB Resolution Bandwidth Settings
Test instrument
Synthesizer/level generator frequency
settings
settings
RES BW
SPAN
F1 (MHz)
F2 (MHz)
2 MHz
20 MHz
35.0
45.0
1 MHz
20 MHz
32.0
48.0
300 kHz
5 MHz
38.0
42.0
100 kHz
2 MHz
39.2
40.8
30 kHz
500 kHz
39.8
40.2
10 kHz
200 kHz
39.92
40.08
3 kHz
50 kHz
39.98
40.02
1 kHz
20 kHz
39.992
40.008
300 Hz
5 kHz
39.998
40.002
(33) Press TI keys as listed in (a) through (e) below:
(a) INSTRUMENT STATE SAVE.
(b) [SAVE STATE].
(c) [STATE 0].
(d) CONTROL AUTO COUPLE.
(e) [ALL].
(34) If TI RES BW setting is now less than 300 Hz, press TI CONTROL BW key
then [RES BW] key and enter 300 Hz using DATA keys.
(35) Press TI MARKER PEAK SEARCH key then [MARKER DELTA] key.
(36) Set synthesizer/level generator frequency to F2 listed in table 5 for the current
TI RES BW setting.
(37) Press TI MARKER PEAK SEARCH key. Record TI ' MKR frequency
indication as the actual span in table 6 for the current TI RES BW setting.
Table 6. -60 dB Resolution Bandwidth Accuracy
Span
-60 dB bandwidth
Selectivity
Test instrument
RES BW
limits
settings
(ratio)
Ideal
Actual
Measured
Corrected
2 MHz
10 MHz
MHz
<15:1
1 MHz
16 MHz
MHz
<15:1
300 kHz
4 MHz
MHz
<15:1
100 kHz
1.6 MHz
MHz
<15:1
30 kHz
400 kHz
kHz
<15:1
10 kHz
160 kHz
kHz
<15:1
3 kHz
40 kHz
kHz
<15:1
1 kHz
16 kHz
kHz
<15:1
300 Hz
4 kHz
kHz
<15:1
(38) Press TI INSTRUMENT STATE RECALL key then [RECALL STATE] key
and then [STATE 0] key.
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