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Specifications
8VSB modulator1.Full complying with ATSC A/53 standard
2.Constellation mapping 8-VSB
3.RF range 40MHz~860MHz 1Hz
ATSC-T digital modulator /8VSB modulator for American market
Outline
NDS2403 ATSC-T modulator is a modulator designed fully complying with American ATSC A/53 standard. This device supports DVB-ASI and SMPTE-310 input, after modulating the inputting signals through ATSC 8-VSB, it can output RF signals with the range between 40~860MHz. In other words, this NDS2403 ATSC-T modulator supports the coding and modulating mode under ATSC-T A/53 standard. 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.
Features
- Full complying with ATSC A/53 standard
- Constellation mapping 8-VSB
- EN50083 ASI and SMPTE 310M interface standard
- Dual channel DVB-ASI and SMPTE-310M input, automatic switch-over and hot backup
- RF range: 40MHz~860MHz,1Hz stepping
- Front panel and IP long distance control
- RS coding, data interlacing, Trellis coding
- Channel bandwidth 6MHz
- Excellent RF output performance EVM,MER,SNR,shoulder level and so on
- Remote maintenance, monitoring and software upgrading
- Keyboard operation and LCD display
- Network management software
Specification
Input |
2 channels ASI input, hot backup, BNC interface |
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2 channels SMPTE 310M input, hot backup, BNC interface | |||
Modulation |
Standard |
ATSC A/53 |
|
Constellation |
8VSB |
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FEC |
RS(208 188)+Trellis |
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RF output |
Port |
N Type,50Ω impedance |
|
RF range |
40~860Mhz,1hz stepping |
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Output Level ATT |
-16dbm~0dbm,0.5db stepping |
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MER |
≥ 42db |
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System |
LCD display & keyboard operation, NMS, Chinese & English operation display |
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Software upgraded through network | |||
General |
Demission(WxLxH) |
482mm×455mm×44.5mm |
|
Weight |
6.0kg |
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Temperature |
0~45°C( operation),-20~80°C( storage) |
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Power Supply |
AC 110V±10%,50/60Hz or AC 220V±10%,50/60Hz |
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Consumption |
≈25W |
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