64
HENM-70
Encoder & DVB-S2/S Modulator
USER’S MANUAL V5.6
11
10 MHz:
This feature provides a reference signal of 10MHz to the satellite up-
converter in case of being ON. (eligible parameter)
The available options are:
On
Off
12
Antenna Gain (dBi):
Select the gain of the transmitter antenna. Press the OK button to
configure it and then the OK button again to save the introduced
value.(editable parameter)
Table 3.23 DVB-S2 menu options
3.5.2.3.2
Symbol Rate calculation
So as to calculate the symbol rate needed for a determined bandwidth, the
next equation must be implemented:
Where:
SR: Symbol Rate in Msymb/s
BW: Bandwidth in MHz
Next, it is shown a table as an example of the Symbol Rate values for a
determined Bandwidth of 28 MHz.
Bandwidth (MHz)
Roll-off
Symbol Rate
(Msymb/s)
28
0.20
23.33
28
0.25
22.4
28
0.35
20.74
Table 3.24 Symbol Rate calculation
