TB 9-6625-2339-24
Table 12. Log Mode, Digital Bandwidths
RF reference source
Test instrument
Mkr1 indications
Amplitude
Ref Level
settings
settings
(dB)
(dBm)
(dBm)
Min
Max
-2
-10
-9.7
-10.3
-12
-20
-19.7
-20.3
-22
-30
-29.7
-30.3
-32
-40
-39.7
-40.3
-42
-50
-49.5
-50.5
-52
-60
-59.5
-60.5
-62
-70
-69.5
-70.5
-72
-80
-79.5
-80.5
1
-82
-90
-89.3
-90.7
All models except E4407B
1
(18) Set RF reference source amplitude to +8 dBm.
(19) Press TI keys as listed in (a) through (h) below:
(a)
AMPLITUDE, [Ref Level], 0, [dBm].
(b)
[Scale Type] (lin).
(c)
[More], [Y axis Units] (or Amptd Units), [dBm].
(d)
SPAN, 5, 0, [kHz].
(e)
BW/Avg, [Res BW], 3, [kHz].
(f)
[Video BW], 3, 0, [Hz].
(g)
Sweep, [Sweep] (Cont).
(h)
Marker, [Off].
(20) Verify signal peak 2 to 4 divisions below TI reference level.
(21) Press TI keys as listed in (a) through (c) below:
(a) Single.
(b) Peak Search (or Search).
(c) Marker, [Delta].
(22) Set RF reference source amplitude to -2 dBm.
(23) Press TI AMPLITUDE, [Ref Level], 1, 0, [dBm] keys.
(24) Press TI Single key and wait for completion of sweep.
(25) Press TI Peak Search (or Search) key. TI Mkr1 indication will be within
limits specified in first row of table 13.
(26) Repeat technique of (22) through (25) above for RF reference source amplitude
and TI Ref Level settings listed in table 13.
19