TB 9-6625-2333-24
(9) Press synthesizer/level generator INCR key.
(10) Press TI AMPLITUDE key then [REF LVL] key and enter -10 dBm using
DATA keys.
(11) Press TI INSTRUMENT STATE SGL SWP 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 and TI
Table 10. Log Gain Uncertainty (10 dB Steps)
Synthesizer/level
Test instrument
' MKR indications
REF LVL
generator amplitude
settings
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 (d) below:
MARKER MKR then [MARKER NORMAL].
(a)
AMPLITUDE then [REF LVL] to 0 dBm.
(b)
[LOG dB/DIV] to 1 dB.
(c)
CONTROL TRIG then [SWEEP CONT SGL] to select CONT.
(d)
(16) Adjust attenuator 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 (d) below:
INSTRUMENT STATE SGL SWP.
(a)
INSTRUMENT STATE SGL SWP.
(b)
MARKER MKR
(c)
[MARKER DELTA].
(d)
(18) Press synthesizer/level generator AMPLITUDE key.
(19) Press synthesizer/level generator INCR key.
(20) Press TI AMPLITUDE key then [REF LVL] key and enter -1 dBm using
DATA keys.
(21) Press TI INSTRUMENT STATE SGL SWP key and wait for completion of sweep.
(22) TI ' MKR indication will be between 0 and -2 dB.
21
