TB 9-6625-2333-35
(5) Adjust synthesizer/level generator amplitude to position the signal 2 to 3
divisions (2 to 3 dB) below TI reference level.
(6) Set synthesizer/level generator AMPTD INCR to 3 dB.
(7) Press TI INSTRUMENT STATE CAL key then [ADJ CURR IF STATE] key
and wait for IF ADJUST STATUS: messages to disappear.
(8) If TI RES BW setting is 3 kHz or less, proceed to (15) below.
(9) Set synthesizer/level generator frequency to F1 in table 3 for the current TI RES
BW setting.
Test instrument
Synthesizer/level generator
settings
frequency settings
RES BW
SPAN
F1 (MHz)
F2 (MHz)
2 MHz
4 MHz
39.0
41.0
1 MHz
2 MHz
39.5
40.5
300 kHz
500 kHz
39.85
40.15
100 kHz
200 kHz
39.95
40.05
30 kHz
50 kHz
39.985
40.015
10 kHz
20 kHz
39.995
40.005
3 kHz
5 kHz
N/A
N/A
1 kHz
2 kHz
N/A
N/A
300 Hz
600 Hz
N/A
N/A
(10) Press TI keys as listed in (a) through (g) below:
(a)
INSTRUMENT STATE SAVE.
(b)
[SAVE STATE].
(c)
[SAVE 0].
(d)
CONTROL AUTO COUPLE.
(e)
[ALL].
(f)
MARKER PEAK SEARCH.
(g)
[MARKER DELTA].
(11) Set synthesizer/level generator frequency to F2 in table 3 for the current TI RES
BW setting.
(12) Press TI MARKER PEAK SEARCH key. Record ∆ MKR frequency indication
as actual span in table 4 for the current TI RES BW setting.
11
