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Promax MO-270 DTMB MODULATOR
Our Price:
$
6,650.00
Product Code:
MO-270
Qty:
Description
Technical Specs
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.
SPECIFICATIONS MO-270
MPEG-2 TS INPUTS
2x ASI
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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