| Demodulator |
| Demodulator type | | QAM |
| Input frequency
range | [MHz] |
47 -
862 |
| Input level | [dBµV] | 47- 92 |
| Input | [Ω] | IEC jack, 75 |
| Input data rate | [Mbaud] | 0,5 - 7, adjustable |
| Modulation types (according DVB standard) | | QPSK, QAM16, QAM32, QAM64, QAM128, QAM256 |
| AFC-catch range | | adjusted automatically |
| Return loss | [dB] | typ. 8 |
| Level control |
[dB] | typ.
45 |
| QAM modulator |
| Modulation | | 16-, 32-,
64-, 128-, 256-QAM |
| Signal
processing | | according DVB standard |
| Spectrum shape | [%] | 15 |
| FEC | | Reed-Solomon (204,188)-Code |
| Data
rate adjustment | | yes
|
| PCR correction /
PID filter | | yes
|
| NIT handling |
| yes
|
| Output symbol
rate | [MSym] |
adjustable, 3,45 - 6,9 |
| Bandwidth | [MHz] | depends on input data rate, 4 - 8 |
| Brutto data rate | [MBits] | maximum 55,2 |
| RF output |
| Connectors | [Ω] | IEC jack, 75 |
| Frequency range | [MHz] | 47 - 862 (C 2 - C 69) in 1-MHz-steps adjustable |
| Output level | [dBµV] | 80 … 90, adjustable |
| MER (Equalizer, 64 QAM) | [dB] | typ. 45 |
| Shoulder attenuation | [dB] | typ. 58 |
| Spurious freq. distance 40 -
862 MHz >950 MHz | [dB] | > 60 discrete interferences / > 57 noise
interferences > 20 relating to 100 dBµV system level and 90 dBµV operating level |
| Common
data |
| Power consumption | [W] | 9 |
| Ambient temperature | [°C] | 0... +50 |