TB 9-6625-2333-35
Synthesizer/level
Test instrument
REF LVL
∆MKR indications
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
13. Residual FM
a. Performance Check
(1) Connect signal generator RF Output to TI INPUT 50 Ω.
(3) Press TI keys and enter values using DATA keys listed in (a) through (q) below:
(a)
INSTRUMENT STATE PRESET.
(b)
FREQUENCY then [CENTER FREQ] to 2.5 GHz.
(c)
SPAN then [SPAN] to 1 MHz.
(d)
MARKER PEAK SEARCH.
(e)
MARKER MKR.
(f)
[SIG TRK ON OFF] to select ON.
(g)
SPAN then [SPAN] to 5 kHz wait for signal to be centered in a 5 kHz span.
(h)
CONTROL BW then [RES BW] to 10 Hz.
(i)
SPAN then [SPAN] to 100 Hz wait for signal to be centered in a 100 Hz span.
(j)
MARKER MKR.
(k)
[SIG TRK ON OFF] to select OFF.
(l)
AMPLITUDE then [LOG dB/DIV] to 2 dB.
MARKER PEAK SEARCH.
(m)
MARKER MKR→.
(n)
[MARKER→ REF LVL].
(o)
(p)
MARKER PEAK SEARCH.
(q)
[MARKER DELTA]
(4) Adjust TI knob ccw for a ∆ MKR indication between -9.5 and -10.5 dB.
(5) Press TI keys as listed in (a) through (d) below:
(a) [MARKER NORMAL].
(b) [MARKER → CF].
