TB 9-6625-2333-35
(c) [REALIGN LO & IF] wait for ADJUST STATUS messages to disappear.
(d) FREQUENCY then [CENTER FREQ] to 50 MHz.
(e) SPAN then [ZERO SPAN].
(f) AMPLITUDE then [REF LVL] to -10 dBm.
(g) [LOG dB/DIV] to 1 dB.
(h) [ATTEN] to 0 dB.
(i) CONTROL BW then [RES BW] to 1 kHz.
(j) [VIDEO BW] to 1 Hz.
(16) Set attenuator to 5 dB and replace 20 dB attenuator (fixed) in equipment setup
with 10 dB attenuator (fixed).
(17) Adjust attenuator to position trace 2 to 3 divisions below TI reference level.
(18) Press TI MARKER MKR key then [MARKER DELTA] key.
(19) Press synthesizer/level generator AMPLITUDE key.
(20) Press synthesizer/level generator INCR ⇓ key.
(21) Press TI AMPLITUDE key then [REF LVL] key to and enter -20 dBm using
(22) Subtract ideal ∆ MKR value from actual ∆ MKR indication listed in table 8 and
record difference as IF GAIN DEVIATION in table 8.
Synthesizer/level
Test instrument
REF LVL
IF GAIN
generator amplitude
∆ MKR
DEVIATION
settings
settings
indications
(dBm)
(dBm)
Actual (dB)
Ideal (dB)
(dB)
+5
-10
0 (ref)
0 (ref)
0 (ref)
-5
-20
-10
-15
-30
-20
-25
-40
-30
-35
-50
-40
-45
-60
-50
-55
-70
-60
-65
-80
-70
(23) Repeat (20) through (22) above for remaining synthesizer/level generator and TI
settings listed in table 8.
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