Dexin NDS2406B DVB-S2 to DVB-T/T2 Modulator
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Dexin Digital Technology Corp. Ltd. (Chengdu)
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 | |||
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