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Digital Modulator THDM345 COFDM HDMI TDT with I/O Triax
This modulator generates a DVB-T (COFDM) signal from the available HDMI input. It has an HDMI input and a HDMI output step, in addition to the RF output for the DVB-T signal generated.
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Reference
triax-608410
The THDM 345 domestic modulator generates a signal in DVB-T (COFDM) format from the HDMI input. It supports MPEG-4 / H264 encoding, integrates a DVB-T RF output modulator to convert HDMI input signal. It has, in addition to the HDMI input, an HDMI output (Passthrough) and a DVB-T (RF) output. Also, the THDM modulator 345 adjusts the compression speed for the available bandwidth, using the DVB-T modulation parameters.
Features
- DVB-T
- 1 Output channel
- Hierarchical transmission
- FEC (code rate) configurable 1/2, 2/3, 3/4, 5/6, 7/8
- QPSK modulation, 16QAM, 64QAM
- 2k and 8k transmission mode
- Guard interval 1/4, 1/8, 1/16, 1/32
- Channel bandwidth: 6, 7, 8 Mhz
- Mer> 35 dB
Specifications
Input | HDMI |
N. Channels | 1 |
Video | HDMI |
Video system | 480i/p, 576i/p, 720p, 1080i, 1080p |
Audio system | HDMI |
Compression | HDMI |
Video | H.264 High profile level |
Video resolution | 720p |
Video bit rate | 12 Mbps max |
Audio | MPEG 1 Audio layer II (MP2) / ACC |
Audio Bit rate | 192 – 384 Kbit/s |
DVB insertion tables | SDT, NIT |
Editable fields | Service name, Transport stream _id / Original Network_id, LCN, NIT Private Dat specifier |
RF output | |
Type | 1 Multiplex DVB-T with a digital TV service |
Frequency | 177 – 856 MHz |
MER | > 35 dB |
Max level of departure | 100 dBµV |
RF adjustment level | +5 dB ~ 10 dB in steps of 1 dB |
Connections | |
HDMI input | HDMI connector |
HDMI output | HDMI coinector (pass through) |
RF output | Female type F connector |
Modulation | |
Standard | DVB-T (ETSI EN 300744) |
Constellation | QPSK, 16QAM, 64QAM |
Guard interval | 1/4, 1/8, 1/16, 1/32 |
FEC (Code Rate) | 1/2, 2/3, 3/4, 5/6, 7/8 |
Modulation mode | 2k, 8k |
Bandwidth | 6 MHz, 7 MHz, 8 MHz |
Others | |
Power supply | 5Vdc adapter; 2A |
Display | LCD @ 2x16 characters |
Work atmospheric conditions | |
Temperature | 5ºC - 40ºC |
Relative humidity | 80% @ 30ºC |
Summary
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