Modulator TDS-OFDM ASI/ SPI -> DTMB Promax MO-270 China Video modulation QAM MPEg-2 Transport stream

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Broadcast & Distributie TV > PROMAX (33) > Modulator TDS-OFDM ASI/ SPI -> DTMB Promax MO-270

 
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Modulator TDS-OFDM ASI/ SPI -> DTMB Promax MO-270



Produse recomandate

Modulator TDS-OFDM ASI/ SPI -> DTMB Promax MO-270

Cod: Promax MO-270
 
PROMAX
 
 Datasheet Produs (*.PDF - 0.12 Mb)

» Specificatii tehnice

The MO-270 is a DTMB modulator compliant with China's national standard specification for digital terrestrial broadcasting GB20600-2006. The input to the modulator is an MPEG-2 Transport Stream (TS) in SPI or ASI formats. The output from the unit is a TDS-OFDM modulated DTMB signal upconverted to IF or RF.

The modulator has been designed to achieve the maximum performance yet at an affordable price.
The digital coding and modulation process is implemented with programmable logic devices using PROMAX proprietary IP. This makes the design highly flexible, allowing to tailor it to any particular application.

 

 

MPEG-2 TS INPUTS

2x ASI, 1xSPI
TS packets of legth 188 or 204 bytes

OUTPUTS
 IF OUTPUT
 RF OUTPUT


36 MHz, 50 Ω BNC female connector
45-875 MHz, 50 &8486; BNC female connector

DTMB PARAMETERS
 MODULATION
 FEC
 CONSTELLATION
 TIME INTERLEAVING
 GUARD INTERVALS


TDS-OFDM, 1 or 3780 subcarriers
0.4, 0.6, 0.8
4QAM-NR, 4QAM, 16QAM, 32QAM, 64QAM
240 or 720 symbols
1/4, 1/6, 1/9

TEST MODES

- Blank a number of carriers
- Generate a single carrier at the central frequency whose level equals the average TDS-OFDM output power.
- Test Transport Stream packet generation using PRBS sequences of length 15 or 23 bits



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Cuvinte de cautare:  modulator tds-ofdm asi/ dtmb, modulator tds-ofdm asi/, modulator tds-ofdm, modulator, tds-ofdm, asi/, dtmb, promax, mo-270, promax mo-270
 

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Produs: Modulator TDS-OFDM ASI/ SPI -> DTMB Promax MO-270 China Video modulation QAM MPEg-2 Transport stream