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 |