EMETTEUR DAB T-DMB
Modulateur, Emetteur VHFIII, Modulateur DAB-DMB, Amplificateur Solution, Filtres, Antennes.
Nous réalisons les antennes pour la transmission T-DMB, suivant les projets et qté, nos proposons des solutions compétives, nous consulter
EMETTEUR DAB T-DMB
| TECHNICAL CHARACTERISTICS | ||
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| SIGNAL PROCESSING | ||
| Reference Standard | ETSI ETS 300 401, ETS 300 799 | |
| DAB Modes | I,II,III,IV | |
| Dynamic Reconfiguration | Supported | |
| Constellations | D-QPSK | |
| Network Support | MFN ed SFN | |
| Digital Pre-correction | Linear and Non-Linear | |
| TII Signaling | User defined or ETI-controlled | |
| DAB Mode Selection | User defined or ETI-controlled | |
| Test modes | Central Carriers removal | |
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| INPUT | ||
| ETI Input | 2 ETI inputs with automatic switch | |
| Bit-Rate | 2048kbit/s +50ppm | |
| Seamless Switching Mode | User enabled | |
| Input ETI Format | ETI NI, ETI NA5592 and ETI NA5376 | |
| Frequency Reference | 10MHz | |
| Frequency Reference Interface | BNC, 50W, -5dBm to + 10dBm | |
| Time Reference | 1pps | |
| Time Reference Interface | BNC, 5kW, TTL 0-5V | |
| SFN Synchronization Accuracy | +200ns | |
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| OUTPUT | ||
| RF Output Center Frequency | VHF: 174.928MHz - 239.200MHz step 1Hz L-band: 1452MHz - 1492MHz step 1Hz | |
| Output Level | 5W RMS | |
| Output Interface | N-type connector, 50WW | |
| Spectrum Polarity | Non-inverted and Inverted | |
| Harmonics and Spurious | <60dB relative to the total output output power | |
| I/Q Amplitude Imbalance | < +0.05% | |
| I/Q Quadrature Error | < +0.05° | |
| MER | >40dB | |
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| GENERAL | ||
| Physical | Case 19" - 2U - 12kg | |
| Remote Control Port | RS232/RS485 | |
| Remote Control Option | PSTN, GSM, Ethernet, SNMP (with external unit) | |
| Front Panel User Interface | LCD Display + Rotating knob | |
| Power Supply Voltage | 90-250VAC | |
| Power Consumption | 150VA max | |
| Operating Temperature | 0 - 50°C | |
| These specifications are subject to change without previous notice | ||
