TB 9-6625-2333-24
(23) Repeat technique of (19) through (21) above for synthesizer/level generator and
Table 11. Log Gain Uncertainty (1 dB Steps)
Synthesizer/level
Test instrument
' MKR indications
REF LVL
generator amplitude
settings
settings
(dB)
(dBm)
(dBm)
Min
Max
+8
-2
-3
-1
+7
-3
-4
-2
+6
-4
-5
-3
+5
-5
-6
-4
+4
-6
-7
-5
+3
-7
-8
-6
+2
-8
-9
-7
+1
-9
-10
-8
0
-10
-11
-9
-1
-11
-12
-10
-2
-12
-13
-11
(24) Set synthesizer/level generator AMPLITUDE to +10 dBm and AMPTD INCR
to 10 dB.
(25) Press TI keys to values using DATA keys as listed in (a) through (f) below:
MARKER MKR then [MARKER NORMAL].
(a)
AMPLITUDE then [REF LVL] to 0 dBm.
(b)
[LINEAR].
(c)
[MORE 1 of 3].
(d)
[AMPTD UNITS] then [dBm].
(e)
CONTROL TRIG then [SWEEP CONT SGL] to select CONT.
(f)
(26) Adjust attenuator to position signal peak 2 to 3 dB (2 to 3 divisions) below TI
reference level.
(27) Press TI keys as listed in (a) through (d) below:
INSTRUMENT STATE SGL SWP.
(a)
INSTRUMENT STATE SGL SWP.
(b)
MARKER MKR
(c)
[MARKER DELTA].
(d)
(28) Press synthesizer/level generator AMPLITUDE key.
(29) Press synthesizer/level generator INCR key.
(30) Press TI AMPLITUDE key then [REF LVL] key and enter -10 dBm using
DATA keys.
(31) Press TI INSTRUMENT STATE SGL SWP key and wait for completion
of sweep.
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