Twin DVB-T/C – QAM transmodulator
Brand: WISI GERMANY
- Reception of two DVB-T/C signals and transmodulation into dual QAM-TV channels (bonded)
- Input frequency range 110–878 MHz
- Output frequency range 47–862 MHz
| Input frequency range | 110-878 MHz | ||
| Input frequency steps | 250 kHz | ||
| Input level range | 47-90 dBµV | ||
| COFDM spectral | 2 k and 8 k FFT | ||
| Modulation scheme | QPSK, 16 QAM, 64 QAM | ||
| Guard interval | 1/32, 1/16, 1/8, 1/4 | ||
| 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 | 47-862 MHz | ||
| Output frequency steps | 500 kHz | ||
| Stability of output frequency | ±30 kHz | ||
| Output channel bandwidth | 2 x 8 MHz | ||
| Output level | 88-103 dBµV | ||
| Stability of output level | ±1 db | ||
| Spurious outside a TV-channel | ≥50 dB | ||
| S/N | ≥45 dB | ||
| MER | ≥40 dB | ||
| Modulation | 16-, 32-, 64-, 128-, 256-QAM | ||
| Symbolrate | 3,45-6,9 Ms/s | ||
| FEC outer code | RS (204, 188, 16) | ||
| Spectral inversion | inverted | ||
| Interleaving | Conv., I=12 | ||
| Bit stuffing | yes | ||
| PCR correction | yes | ||
| PID filtering | yes | ||
| Connectors RF | F-connector | ||
| Current consumption | 0.83 A/12 V | ||
| Power consumption | < 10 W | ||
| Operating temperature | -20 °C to +55 °C | ||
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