- 24 -
HDM 660 T
• Press the
button.
—> The "Output signal" – "
COFDM-MODE
" menu is activated when the
channel strips "
A
" without a CA module installed and "
B
" are pro-
grammed. Please take note of the tables below before setting the
COFDM parameters.
—> Programming the channel strip "
A
" with a CA module installed the
"PID monitoring" – "
CA PID Check
" menu is activated (page 35).
Cofdm
par a meters
The tables below show the dependence of the transmittable net data rate on
the settings of the COFDM parameters.
Net data rate [kbit/s]
at a bandwidth of 8 MHz
Guard interval
Modulation
Code rate
1
/
4
1
/
8
1
/
16
1
/
32
QPSK
1
/
2
4976
5529
5853
6031
2
/
3
6635
7372
7805
8041
3
/
4
7464
8294
8780
9047
5
/
6
8294
9215
9756
10052
7
/
8
8708
9676
10244
10554
16 QAM
1
/
2
9952
11058
11708
12063
2
/
3
13270
14745
15611
16085
3
/
4
14929
16588
17563
18095
5
/
6
16588
18431
19514
20105
7
/
8
17417
19352
20490
21111
64 QAM
1
/
2
14929
16588
17563
18095
2
/
3
19905
22117
23417
24127
3
/
4
22394
24882
26344
27143
5
/
6
24882
27647
29272
30159
7
/
8
26126
29029
30736
31667