Modulator ASI-TS MPEG -> ISDB-T/TB Promax MO-370 China DTMB COFDM Video modulation QAM MPEg-2 Transport stream

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Broadcast & Distributie TV > PROMAX (33) > Modulator ASI-TS MPEG -> ISDB-T/TB Promax MO-370

 
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Modulator ASI-TS MPEG -> ISDB-T/TB Promax MO-370



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Modulator ASI-TS MPEG -> ISDB-T/TB Promax MO-370

Cod: Promax MO-370
 
PROMAX
 
 Datasheet Produs (*.PDF - 0.12 Mb)

» Specificatii tehnice

The MO-370 is a general purpose ISDB-T and ISDB-TB modulator contained in a 19" 1U chassis. The unit has two serial MPEG TS-ASI inputs. Either of these inputs can be used to modulate the COFDM signal. An additional test TS can be generated internally in the modulator. This allows generating compliant ISDB-T/TB signals even in the absence of a valid TS input.

The modulator can be configured to generate any of the transmission modes listed in the DTMB specification. Several test modes are available in the MO-370 (single tone output and test TS generation). The MO-370 has been designed to work in Multi Frequency Networks (MFN).

 

 

TS MPEG INPUT

2x ASI
TS packets of length 188 or 204 bytes. (automatic detection)
Support for burst and continuous packet mode
Input TS bit rate strictly below the value given in the ISDB-T/TB specification

OUTPUTS
 IF OUTPUT
 RF OUTPUT


31-36 MHz (fixed at 36 MHz with RF output off)  / 0 dBm fixed
45-875 MHz (1 Hz steps), approx. 80 dBµV power.

ISDB-T/TB PARAMETERS
 MODE
 GUARD INTERVAL
 CODE RATE
 CONSTELLATIONS


Mode 1 (2k), Mode 2 (4k), Mode 3 (8k)
1/4, 1/8, 1/16, 1/32
1/2, 2/3, 3/4, 4/5, 7/8
DQPSK, QPSK, 16-QAM, 64-QAM

TEST MODES
 Pilot carriers

 TS packet generation


For signal level alignment, generate a single carrier at the channel central frequency.
Internal generation of test TS using PRBS sequences of length 15 or 23 embedded within NULL packets

ECHOES GENERATOR

 



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Cuvinte de cautare:  modulator asi-ts mpeg isdb-t/tb, modulator asi-ts mpeg, modulator asi-ts, modulator, asi-ts, mpeg, isdb-t/tb, promax, mo-370, promax mo-370
 

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Produs: Modulator ASI-TS MPEG -> ISDB-T/TB Promax MO-370 China DTMB COFDM Video modulation QAM MPEg-2 Transport stream