he MO-170 is a general purpose DVB-T and DVB-H modulator contained in a 19" 1U chassis, fully compliant with the DVB-T/H specification ETSI EN 300 744 v1.5.1. The unit has three selectable MPEG-2 TS inputs (two serial ASI inputs and one parallel SPI input). The input to the modulator is an MPEG-2 Transport Stream (TS) in DVB-SPI or DVB-ASI formats. The outputs from the unit are the COFDM modulated DVB-T/H signal upconverted to IF and RF.
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 Free downloads
| SPECIFICATIONS MO-170 |
| MPEG-2 TS INPUTS | 2x DVB-ASI, 1x DVB-SPI
TS packets of 188 or 204 bytes (auto detect)
Const. avg. TS packet rate in slave mode (no packet stuffing)
Packet stuffing and PCR re-stamping in master mode |
OUTPUTS
IF OUTPUT
RF OUTPUT |
Fixed at 36 MHz (when RF output is off) / 0 dBm fixed
45-875 MHz (1 Hz steps), -87 to -27 dBm (1dB steps, optional up to +6 dBm) |
| OPERATING MODES | MASTER or SLAVE |
DVB-T/H PARAMETERS
IFFT SIZE
GUARD INTERVALS
CODE RATES
CONSTELLATIONS
HIERARCHICAL MODES
CHANNEL BANDWIDTH
MFN OPERATION |
2k, 8k (4k with DVB-H option)
1/4, 1/8, 1/16, 1/32
1/2, 2/3, 3/4, 5/6, 7/8
QPSK, 16QAM, 64QAM
16QAM and 64QAM. Constellation ratio α = 1, 2 or 4
6, 7, 8 MHz (user-selectable)
Available |
| REMOTE CONTROL | RS-232C interface (DB-9 male connector) |
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