TB 9-6625-2339-35
(17) Press synthesizer/level generator INCR ⇓ key.
(18) Press TI AMPLITUDE, [Ref Lvl], 10, [dBm] keys.
(19) Press TI Single key and wait for completion of sweep.
(20) Press TI Peak Search (or Search) key.
(21) TI Mkr1 ∆ indication will be between 9.7 and 10.3 dB.
(22) Repeat technique of (17) through (21) above for synthesizer/level generator
amplitude and TI Ref Lvl settings listed in table 12. TI Mkr1 ∆ indications will be within
Synthesizer/level
Test instrument
generator
Ref Lvl
Amplitude
∆ MKR indications
settings
settings
(dB)
(dBm)
(dBm)
Min
Max
+2
-10
-9.7
-10.3
-8
-20
-19.7
-20.3
-18
-30
-29.7
-30.3
-28
-40
-39.7
-40.3
-38
-50
-49.5
-50.5
-48
-60
-59.5
-60.5
-58
-70
-69.5
-70.5
-68
-80
-79.3
-80.7
-78
-90
-89.3
-90.7
(23) Set synthesizer/level generator amplitude to +12 dBm .
(24) Press TI keys and enter values as listed in (a) though (h) below:
(a) AMPLITUDE, 0, [dBm].
(b) AMPLITUDE, [Scale Type] (lin).
(c) AMPLITUDE, [More 1] , [Y axis Units] (or Amptd Units), [dBm].
(d) SPAN, 50, [kHz].
(e) BW/Avg, 3, [kHz].
(f) BW/Avg, [Video BW], 30, [Hz].
(g) Sweep, [Sweep] (Cont).
(h) Marker, [Off].
(25) Adjust attenuator to position signal peak 2 to 3 dB (2 to 3 divisions) below TI
reference level.
(26) Press TI keys as listed in (a) through (c) below:
(a) Single.
(b) Peak Search (or Search).
(c) Marker, [Delta].
(27) Press synthesizer/level generator AMPLITUDE key.