TB 9-6625-2351-35
(g)
[VIDEO BW] to 30 Hz.
(h)
MARKER PEAK SEARCH.
(i)
AMPLITUDE.
(j)
[MORE].
(k)
[REF LVL CAL].
(3) Slowly adjust TI knob until MKR indication is between -9.83 and -10.17 dBm.
(4) Disconnect CAL OUTPUT from INPUT 50 Ω and connect a 50 Ω termination to
INPUT 50 Ω.
(5) Press TI keys and enter values using DATA keys as listed in (a) through (h) below:
(a)
AMPLITUDE then [REF LVL] to -50 dBm.
(b)
SPAN then [ZERO SPAN].
(c)
FREQUENCY then [CENTER FREQ] to 10 kHz.
(d)
CONTROL BW then [VIDEO BW] to 1 Hz.
(e)
CONTROL TRIG.
(f)
[SINGLE].
(g)
[SINGLE] wait for completion of sweep.
(h)
MARKER ON.
(6) TI MKR amplitude indication will be <-90 dBm.
(7) Press TI FREQUENCY key then [CENTER FREQ] to 99 kHz.
(8) Press TI CONTROL TRIG key then [SINGLE] key. TI MKR amplitude
indication will be <-100 dBm.
(9) Press TI keys and enter values using DATA keys as listed in (a) through (e) below:
(a)
FREQUENCY and then [START FREQ] to 1 MHz.
(b)
[STOP FREQ] to 2.9 GHz.
(c)
MARKER OFF.
(d)
CONTROL BW then [RES BW] to 1 MHz.
(e)
[VIDEO BW] to 10 kHz.
(10) Press TI keys as listed in (a) through (d) below:
(a)
CONTROL TRIG.
(b)
[SINGLE] wait for completion of sweep.
(c)
MARKER ON.
(d)
[MKRNOISE ON].
(11) Adjust TI knob to position marker at the highest average noise level on TI crt.
(12) Press TI keys and enter values using DATA keys as listed in (a) through (h) below:
(a) MARKER MKR→ then [MARKER→ CF].
(b) SPAN then [ZERO SPAN].
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