EXFO CableSHARK P3 VF/DSL Cable Qualifier - Manual (Page 128)

VF / DSL Cable Qualifier
116
MAIN
MENU
E F CHG
NORMAL ZOOM IN
VERT
ZOOM IN
HORIZ
dBm/Hz
0.00 500 1000 2000 kHz 1500
Noise PSD
Cursor Frq. =
= -45.12 dBm/Hz
1152.8 kHz RMS Noise
Impedance
Noise Filter =
=
= -65.5 dBm
100 ohms
No Filter
dBm
-10
-40
-70
-100
-130
FREEZE
20
-10
-40
-70
-100
Press or to move cursor
PROBABLE SIGNAL - undetermined
F IGURE 8.4.2D - N OISE PSD R ESULTS WITH PEAK ENABLED