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 ? 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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Alte produse PROMAX

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• DVB-T, DVB-T2, DVB-T2 lite
• DVB-C, DVB-C2
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• ISDB-T/Tb
• DSS, ACM/VCM/CCM
• MPEG-TS

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• DVB-T (DTT) output
• converts analogue/ digital video source to DVB-T with a max 200 programmes in the UHF band
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• system allows to re-organise the spectrum, adding the off-air DTT channels received in the region
• encoding video-audio channels
• remotely controlled through Ethernet

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• down converter for the 5.7 to 5.8 GHz frequency range to 1500 to 1600 MHz
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ANALIZOR DE SPECTRU OPTIC PORTABIL 1250..1650 NM PROMAX PROLITE-60

• WAVELENGTH RANGE : 1250 - 1650 nm
• SPAN RANGE: 10 nm - 400 nm
• RESOLUTION: 0.15 nm
• INPUT RANGE: -60 dBm to 10 dBm
• 3 HOURS AUTONOMY

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• Orientarea antenelor terestre și a antenelor parabolice
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SISTEM TRAINING TELEFONIE ANALOGICA & DIGITALA ISDN PROMAX ET-836S

• Last generation of telephone station ISDN / analogue
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ANALIZOR SEMNAL SI SPECTRU 4K ULTRA-HD TV PROMAX TV EXPLORER NG

• noua generație de TV EXPLORER, acum cu suport nativ 4K, DVB-T2, ISDB-T/Tb
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RECEPTOR CONVERTOR FIBRA OPTICA -> DVB-T RF PROMAX DT-620

• OPTICAL INPUT: From 1100 to 1600 nm
• RF OUTPUT: From 470 MHz to 862 MHz
• optical SC input and an RF type BNC output
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ANALIZOR RETEA FTTH & POWER-METRU SELECTIV FIBRA OPTICA GPON PROMAX PROLITE-77

• measuring simultaneously three wavelengths (1310, 1490 and 1550 nm) in FTTH / PON systems
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COMBINER 4 X DVB-T -> 1 X DVB-T PROMAX DT-722

• FREQUENCY MARGIN: From 50 MHz (C-2) to 860 MHz (C-69)
• INPUTS: 4 inputs Female BNC, 75 ? impedance
• RF OUTPUT: 1 female BNC output, 75 ? impedance
• output designed to mix output RF signals of COFDM modulators and transmodulators with DTT channels