TB 9-6625-2250-35
(e) [MARKER DELTA].
(8) Press synthesizer/level generator AMPLITUDE key.
(9) Press synthesizer/level generator INCR ⇓ key.
(10) Press TI AMPLITUDE then [REF LVL] to -10 dBm.
(11) Press TI CONTROL TRIG key then [SINGLE] key and wait for completion of
sweep.
(12) TI ∆ MKR indication will be between 9 and 11 dB.
(13) Repeat technique of (9) through (11) above for synthesizer/level generator
amplitude and TI AMPLITUDE [REF LVL] settings listed in table 7. TI ∆ MKR
indications will be within limits specified in table 7.
Table 7. Log Gain Uncertainty (10 dB
Steps)
Synthesizer/level
Test instrument
generator amplitude
AMPLITUDE (REF
∆ MKR indications
settings
LVL) settings
(dB)
(dBm)
(dBm)
Min
Max
-10
-20
-21
-19
-20
-30
-31
-29
-30
-40
-41
-39
-40
-50
-51
-49
-50
-60
-61
-59
-60
-70
-71
-69
-70
-80
-81
-79
(14) Set synthesizer/level generator amplitude to +10 dBm and AMPTD INCR to 1 dB.
(15) Press TI keys and enter values using DATA keys as listed in (a) though (c)
below:
(a) MARKER MKR→ then [MARKER NORMAL].
(b) AMPLITUDE then [REF LVL] to 0 dBm.
(c) CONTROL TRIG then [CONT].
(16) Adjust attenuator No. 1 to position signal peak 2 to 3 dB (2 to 3 divisions) below
TI reference level.
(17) Press TI keys as listed in (a) through (e) below:
(a) CONTROL TRIG.
(b) [SINGLE].
(c) [SINGLE].
(d) MARKER ON.
(e) [MARKER DELTA].
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