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ATSC Modulator
NDS2403G ATSC-T modulator is DEXIN’s newly designed product supporting DVB-ASI and SMPTE-310 input. After modulating the inputting signals through ATSC 8-VSB, it can output RF signals
Product details
Product Overview
NDS2403G ATSC-T modulator is DEXIN’s newly designed product supporting DVB-ASI and SMPTE-310 input. After modulating the inputting signals through ATSC 8-VSB, it can output RF signals with the range between 50~860MHz. In other words, NDS2403G ATSC-T modulator supports the coding and modulating mode under ATSC-T A/53 standard. It also supports adaptive non-linear and linear digital pre-distortion (DPD). Additionally, the system of this device can be on line controlled and upgraded through network, which can be widely used in ATSC-T digital broadcasting network setup and the testing for ATSC-T set top box design.
Key Features
*Full complying with ATSC A/53 standard
*Dual channel DVB-ASI/SMPTE-310M input, automatic switch-over and hot backup
*Dual IP input ports, GE ports, over UDP/RTP
*RF range: 50MHz~860MHz,1Hz stepping
*Front panel and IP remote control
*RS coding, data interleaving, Trellis coding
*Supports adaptive linear or non-linear digital pre-distortion (DPD)
*Adopts constant-temperature crystal oscillator, the frequency stability can be up to 0.1 PPM
*Excellent RF output performance: EVM, MER, SNR, shoulder level and etc.
*Remote maintenance, monitoring and software upgrading
*NMS, Keyboard and LCD operation
Specifications
Input | Self-adapted 2 Asi/SMPTE 310M input 2 ASI ports input, one for hot backup, BNC interface | |
Dual IP input ports, one for hot backup , over UDP/RTP, Unicast/Multicast, GE ports | ||
1 channel 10MHz reference clock input | ||
Modulation | Standard | ATSC A/53 |
Constellation | 8VSB | |
Bandwidth | 6 MHz | |
FEC | RS(208 188)+Trellis | |
RF output | Port | N Type, 50Ω impedance |
RF range | 50~860Mhz,1Hz stepping | |
Output Level ATT | -20dBm~6dBm,0.1dB stepping | |
Shoulder Level | 60dB | |
MER | ≥ 40dB | |
DPD | Non-linear DPD | over 10dB ACPR improvement (normally) |
linear DPD | over 10dB non-flatness adjustment(normally) | |
System | LCD display & keyboard operation, NMS, Chinese & English operation display | |
Software upgraded through network | ||
General | Demission(WxLxH) | 482mm×455mm×44.5mm |
Weight | 6.0kg | |
Temperature | 0~45℃( operation),-20~80℃( storage) | |
Power Supply | AC 110V±10%,50/60Hz or AC 220V±10%, 50/60Hz | |
Consumption | 25W | |
Principle chart
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