DVB-C configuration and settings
R&S
®
SMCVB-K157
21
User Manual 1179.4686.02 ─ 01
3.3
Coding settings
Access:
► Select "Baseband > DVB-C > Coding".
The tab provides settings for coding.
Settings:
Symbol Rate
Sets the symbol rate.
In the transmission spectrum, the symbol rate represents the 3
dB bandwidth.
Remote command:
Constellation
Defines the constellation.
Remote command:
Roll Off
Displays the roll-off factor.
The output signal is filtered with a root raised cosine characteristic. The 3
dB point of
the modulation spectrum is the same for all alpha values.
"0.13"
Conforming to the specification of ISDB-C (J.83/C Japan).
"0.15"
Conforming to the specification of DVB-C (J.83/A DVB-C Europe).
Remote command:
Coding settings