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Help CenterDVB-S2 RF Modulator Hdmi to rf Modulator Digital Headend
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Specifications
increasing over 50% transmission ability more than DVB-S modulatorproviding a more powerful receiving ability
Outline
The DVB-S2 modulator is a high performance modulator developed according to DVB-S2 (EN302307) standard
which is the standard of second generation of the European broadband satellite telecommunication. It adopts
advanced framing structure, channel coding and modulation technology, increasing over 50% transmission ability
more than DVB-S modulator under the same transmission condition and also providing a more powerful receiving
ability in the same spectral efficiency. In addition, it is backwards compatible with DVB-S (EN300421) modulating standard. This DVB-S2 modulator supports local and remote control
through NMS software. The DVB-S2 modulator can be used for Broadcasting, Interactive Services, News Gathering and
other Broadband satellite applications.
Features
1 Fully complying with DVB-S2(EN302307) standard
2 Backwards-compatible with DVB-S (EN300421) modulating standard
3 Two ASI inputs supporting hot backup
4 Supporting local and remote control
5 Output level attenuation
6 10MHz outer reference clock input
7 Output frequency range: 950~2150MHz
8 Full-size front panel LCD display and keyboard
Specifications
MPEG-TS Input |
Supporting both packet and byte mode TS input |
||
Supporting 188/204Byte transmission stream packet | |||
Two ASI inputs, supporting hot backup | |||
ASI input connector: BNC, impedance 75Ω | |||
RF Output |
Frequency is continuously adjustable from 950 to 2150MHz |
||
Output Level attenuation is continuously adjustable from 0 to 31.5 dB; in step of 0.5 dB. | |||
Maximum Output level: 0dBm | |||
MER≥32dB | |||
Connector: N type, impedance 50Ω | |||
|
Channel coding and modulation |
Outer coding |
DVB-S |
DVB-S2 |
RS coding |
BCH coding |
||
Inner coding |
Convolutional |
LDPC coding |
|
Code Rate |
1/2,2/3,3/4,5/6,7/8 |
1/2,3/5,2/3,3/4,4/5,5/6,8/9,9/10 |
|
Constellation |
QPSK |
QPSK,8PSK |
|
Roll-off Factor |
0.2, 0.25, 0.35 |
0.2, 0.25, 0.35 |
|
Symbol Rate |
1~45MBauds |
1~30M@8PSK; 1~45 M@QPSK |
|
Miscellaneous |
Dimension |
44mm×482mm×410mm |
|
Environmental |
0~45°C(operation), -20~80°C (storage) |
||
Power |
100-240VAC±10%,50Hz-60Hz |
||
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