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Outline
DEXIN NDS3402F 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 is to convert the input ASI and IP signals alternatively into digital DVB-S2 IF output.
BISS scrambling mode is inserted to this DVB-S2 modulator, which helps to safely distribute your programs. It is easy to reach local and remote control with NMS software and LCD in the front panel.
With its high cost-effective design, DEXIN NDS3402F DVB-S2 modulator is wildly used for broadcasting, interactive services, news gathering and other broadband satellite applications.
Features
l Fully complying with DVB-S2 (EN302307) and DVB-S (EN300421) standard
l 4 ASI inputs (3 ASI for hot backup)
l Support IP signal input
l Constant temperature crystal oscillator, as high as 0.1ppm stability
l 10MHz outer reference clock input
l Support BISS scrambling
l Support local and remote control
l Output frequency range: 50~800MHz, 1KHz stepping
Principle Chart
Specifications
ASI Input |
Supporting Both Packet And Byte Mode TS Input |
||
4 ASI input ( 3 ASI for hot backup) | |||
Supporting 188/204Byte Transmission Stream Packet | |||
ASI Input Connector: BNC, Impedance 75Ω | |||
IP Input |
1*IP Input (Rj45, 100M TS Over UDP) |
||
10MHz Input |
1*10Mhz Input (BNC Interface) |
||
IF Output |
Range: 50 to 800 MHz, 1KHz stepping |
||
Output Level Attenuation: 0dBm~31.5 dBm, 0.5dB Stepping | |||
MER≥40dB | |||
Connector: N type, impedance 50Ω | |||
|
Channel Coding and Modulation |
|
DVB-S |
DVB-S2 |
Outer coding |
RS Coding |
BCH Coding |
|
Inner coding |
Convolution |
LDPC Coding |
|
FEC/ Convolution Rate |
1/2, 2/3, 3/4, 5/6, 7/8 |
QPSK: 1/4, 1/3, 2/5, 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 8PSK: 3/5, 2/3, 3/4, 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 |
0.5~45MBauds |
0.5~30MBauds |
|
BISS Scramble |
Mode0, mode1, mode E |
||
Miscellaneous |
Dimension |
482mm×410mm×44mm |
|
Weight |
4.3 KG |
||
Temperature |
0~45℃(operation), -20~80℃ (storage) |
||
Power |
100-240VAC±10%,50Hz-60Hz |
||
Consumption |
25W |
||
Technical Comparison
|
DEXIN NDS3402F |
SOCHUANG SC4122 |
Input |
4 ASI in with hot backup |
2 ASI in with hot backup |
Frequency Out Range |
50 - 800 MHz |
36 - 1000 MHz |
MER |
MER≥40dB |
MER> 38dB |
Output Level |
0dBm~31.5 dBm |
0dBm~20 dBm |
Symbol Rate |
0.5~45MBauds |
1~18MBauds |
BISS Scramble |
Support |
Not support |
Constant Temperature Crystal Oscillator |
Support |
Not support |
CID Insert |
Support |
Not support |
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