Transmodulator Twin DVBT/C to COFDM
14MM-OH89
Headend Equipment
Matchmaster has a full range of Headend Equipment from entry level to complex systems, including engineering support and system designs. Matchmaster can offer simple Channel Filters with AGC through to complex DVB modules for any type of broadcast including Encoders, Modulators & Transmodulators for DVB-T, DVB-C, DVB-S/S2, IP, ASI, SDI, FM
and many more.
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Features and Benefits
- Transmodulation from DVBT/C to DVBT/C, with the inclusion of CI interfaces for descrambling the unit can deliver services transparently or through PID filtering selected digital services
- Regeneration of the DVBT services to a DVBT- COFDM signal, transparent or select services with PID filtering
- Integrated conditional access interface for both channels
- Internal NIT generation available
- PID filtering available
- Input range 110-878MHz DVBT/T2
Specifications
| Input Frequency Range | 110–878MHz |
|---|---|
| Input Frequency Steps | 250kHz |
| Input Level Range | 47-90dBµV |
| Channel Bandwidth | 7/8MHz |
| COFDM Spectral | 2 k and 8 k FFT |
| COFDM Modulation Scheme | QPSK, 16-QAM, 64-QAM |
| COFDM Guard Interval | 1/32, 1/16, 1/8, 1/4 |
| COFDM FEC Inner Code | Conv., K=7, G=1/2, 2/3, 3/4, 4/5, 5/6, 7/8 |
| QAM Modulation Scheme | 16-, 32-, 64-, 128-, 256-QAM |
| QAM Symbol Rate | 1–7 MBaud |
| Output Frequency Range | 47–862MHz |
| Output Frequency Steps | 250kHz |
| Output Stability | ±30KHz |
| Output Channel Bandwidth (bonded) | 2 x 7/8 MHz |
| Output Level | 82-97dBµV |
| Stability of Output Level | ±1dB |
| Spurious Outside TV Channel | >50dB |
| SNR | ≥41dB |
| MER | ≥37dB |
| Modulation (COFDM) | QPSK, 16-, 64-QAM |
| FEC | 1/2, 2/3, 3/4, 5/6, 7/8 |
| Guard Interval | 1/4, 1/8, 1/16, 1/32 |
| FFT Mode | 2k, 8k |
| Bit Stuffing | Yes |
| PCR Correction | Yes |
| PID Filtering | Yes |
| NIT editing | Yes |
| Connectors RF | F-connector |
| Current Consumption | ca. 0.5 A / 12 V |
| Power Consumption | <10W |
| Operating temperature | -20° - + 55°C |
