Demodulator |
Demodulator
type |
| COFDM |
Input frequency range | [MHz] | 47 - 862 |
Input level | [dBµV] | 35-
84 |
Input | [Ω] | IEC jack, 75 |
Input data
rate | [Mbaud] | no
|
Channel bandwidth | [MHz] | 6; 7; 8 |
Return loss | [dB] | typ.
8 |
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 Е 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] | 10 |
Ambient
temperature | [°C] | 0... +50 |