Filter
Top Products
9. 6
dB
Resolution Bandwidth Adjustments
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
Press MARKER
IOFF),
then MARKER In].
Using the DATA knob, adjust the marker down one side of the
displayed signal to the 6 dB point; CRT MKR annotation indicates
.500 x.
Adjust
A4A9R65
10 kHz for MKR A indication of 5.00 kHz while
maintaining the marker at .500 X using the DATA knob. Refer to
Figure 4-7 for the adjustment location.
Press MARKER
@.
Adjust the marker to the 6
dB
point on the
opposite side of the signal (CRT MKR A annotation indicates 1.00
Xl.
The CRT MKR A annotation now indicates the 6
dB
bandwidth of
the 10 kHz bandwidth filter. The bandwidth should be 10.0 fl.O
kHz
Key in
(jj)
3
kHz,
(FREQUENCY SPAN] 5
kHz,
(PEAK SEARCH], and
[MKRJ
If necessary, readjust by pressing [REFERENCE LEVEL]
and using the DATA knob to place the signal peak near the top of
the graticule.
Press MARKER
m
and MARKER
a.
Using the DATA knob, adjust the marker down one side of the
displayed signal to the 6
dB
point; CRT MKR A annotation
indicates
.500
X.
Adjust
A4A9R66
3 kHz for MKR A indication of 1.5 kHz while
maintaining the marker at .500 X using the DATA knob. Refer to
Figure 4-7 for the adjustment location.
Press MARKER In]. Adjust the marker to the 6
dB
point on the
opposite side of the signal (CRT MKR A annotation indicates 1.00
Xl.
The CRT MKR
(ZJ
annotation now indicates the 6
dB
bandwidth
of the 3 kHz bandwidth filter. The bandwidth should be 3.00
f0.30
kHz
4-26 Option 462