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Help CenterDexin NDS2406B DVB-S2 to DVB-T/T2 Modulator
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Dexin NDS2406B DVB-S2 to DVB-T/T2 Modulator
General Description
NDS2406B DVB-T/T2 modulator is DEXIN’s all-in-one device which integrates demodulation, trans-mux and modulation in one case to convert signals into DVB-T/T2 RF output and IP output over UDP. The device equipped with 2 DVB-S/S2 tuner inputs, one GPS 10MHz input port and one 1PPS input port. The output modulated signals are to be received by TVs, STB and etc. This DVB-T/T2 modulator also simultaneously supports adaptive linear and nonlinear digital pre-distortion.
BISS function is also embedded to descramble programs from tuner input..
Key Features
l Support 2*S/S2 Tuner input
l 10MHz input/loop out, 1PPS input/loop out
l DVB-T/T2 T RF out in one device, multi-booting
l IP (1*MPTS over UDP) mirror RF output
l Support MISO and SISO
l High performance output: MER>43dB, shoulder level>56dB
l Supports non-linear and linear digital pre-distortion (DPD)
l Constant temperature crystal oscillator, as high as 0.1ppm stability
l Support LCD display and keyboard
l Support BISS descrambling
l Web-based Network management
Technical Specifications
Input |
2*S/S2 Tuner input |
|||
10MHz reference clock input and loop out, BNC interface | ||||
1PPS input and loop out, BNC interface | ||||
1 RF input for DPD -25dbm~+5dbm | ||||
Tuner Section |
DVB-S |
Input Frequency |
950-2150MHz |
|
Symbol rate |
1~45Mbauds |
|||
Signal Strength |
-65~-25dBm |
|||
FEC Demodulation |
1/2, 2/3, 3/4, 5/6, 7/8 QPSK |
|||
DVB-S2 |
Input Frequency |
950-2150MHz |
||
Symbol rate |
QPSK/8PSK: 1~45Mbauds |
|||
Code rate |
1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 |
|||
Demodulation Mode |
QPSK, 8PSK |
|||
Modulation |
DVB-T2 |
standard |
EN302 755 |
|
Mode |
single-PLP |
|||
|
PLP Constellation |
QPSK, 16QAM, 64QAM, 256QAM (Normal or Rotated |
|||
|
L1 Post Constellations |
BPSK, QPSK, 16QAM, 64QAM |
|||
FEC Length |
Short(16K), Normal (64K) |
|||
FEC Rate |
1/2, 3/5, 2/3, 3/4, 4/5, 5/6 |
|||
Pilot Pattern |
PP1 - PP8 |
|||
|
Guard Interval |
1/128, 1/32, 1/16, 19/256, 1/8, 19/128, 1/4 |
|||
FFT Mode |
1k, 2k, 4k 8k, 16k, 32k (normal or extended) |
|||
Bandwidth |
5MHz, 6MHz, 7MHz, 8MHz |
|||
Net Mode |
MFN |
|||
DVB-T |
Standard |
EN300 744 |
||
FFT |
2K, 8K |
|||
Bandwidth |
5M, 6M, 7M, 8M |
|||
Constellation |
QPSK, 16QAM, 64QAM |
|||
Guard interval |
1/4, 1/8, 1/16, 1/32 |
|||
FEC |
1/2, 2/3, 3/4, 5/6, 7/8 |
|||
Net Mode |
SFN/MFN |
|||
Hierarchical modulation |
Alpha=1, 2, 4 |
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RF Out |
Connector |
N Type, 50ΩImpedance |
||
RF range |
30~960Mhz, 1hz stepping |
|||
Output level ATT |
-25~+3 dBm, 0.1db stepping |
|||
MER |
> 43db |
|||
Shoulder Level |
>56dB |
|||
System |
LCD display, keyboard and web Network managemen |
|||
Supporting software upgrading through network | ||||
General |
Dimension |
482mm×410mm×44mm (W*D*H) |
||
Weight |
4.8kg |
|||
Temperature |
0~45℃(operation),-20~80℃(storage) |
|||
Power supply |
AC 220V±10%,50/60Hz |
|||
Power Consumption |
34W |
|||
Principle Chart
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