HP (Hewlett-Packard) HP 8568B TV Converter Box User Manual


 
7.
8.
9.
10.
rp
10
5. 6
dB
Resolution Bandwidth Selectivity
Test
Vary spectrum analyzer settings according to Table 4-4. Press
SWEEP
@KZF]
and measure the 60
dB
bandwidth for each
resolution bandwidth setting by the procedure of steps 4 through
6. Record the value in
Table
4-4.
Record the 6
dB
bandwidths from Table
4-l
in
‘Ikble
4-4.
Calculate the bandwidth selectivity for each setting by dividing
the 60
dB
bandwidth by the 6
dB
bandwidth. The bandwidth
ratios should be less than the maximum values shown in
‘fable
4-4.
The 60
dB
bandwidth for the 10 Hz resolution bandwidth setting
should be less than 100 Hz.
.
.
-
REF
0.0
dBm
ATTEN
10
d0
-o.--
--
dB/
MKEl
A
14.04
Mb%?
.30
al3
1
/
/
‘\
\
\
Figure 4-4. 60
dB
Bandwidth Measurement
Option 462
4-l
1