TB 9-6625-2250-35
(28) Press synthesizer/level generator AMPLITUDE key.
(29) Press synthesizer/level generator INCR ⇓ key.
(30) Press TI AMPLITUDE key then [REF LVL] to -10 dBm.
(31) Press TI CONTROL TRIG key then [SINGLE] key and wait for completion of
sweep.
(32) TI ∆ MKR indication will be between 9 and 11 dB.
(33) Repeat technique of (29) through (31) above for synthesizer/level generator and
TI AMPLITUDE [REF LVL] settings listed in table 9. TI ∆ MKR indications will be
within limits specified in table 9.
Synthesizer/level
Test instrument
generator amplitude
AMPLITUDE (REF LVL)
∆MKR indications
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
13. Residual FM
a. Performance Check
(1) Connect signal generator RF Output to TI INPUT 50Ω.
(3) Press TI keys and enter values using DATA keys listed in (a) through (v) below:
(a)
INSTRUMENT STATE PRESET.
(b)
FREQUENCY then [CENTER FREQ] to 2.5 GHz.
(c)
SPAN then [SPAN WIDTH] to 1 MHz.
(d)
AMPLITUDE then [REF LEVEL] to -10 dBm.
(e)
[LOG dB/DIV] to 1 dB.
(f)
CONTROL BW then [RES BW] to 3 kHz.
(g)
MARKER PEAK SEARCH.
(h)
[SIG TRK ON].
(i)
SPAN then [SPAN WIDTH] to 10 kHz.
