| QPSK demodulator |
| Input
frequency range |
[MHz] |
920 - 2150 |
| Input level |
[dBµV] |
50- 80 |
| SAT IF input |
[Ω] |
F jack, 75 |
| Spectrum
shape cos-roll-off |
[%] |
35 |
| Input data
rate |
[mBaud] |
10,0- 30,0 |
| Viterbi
decoding |
|
1/2; 2/3; 3/4; 5/6;
7/8, automatically / manually (according DVB standard) |
| QAM modulator |
| Modulation |
|
16-, 32-, 64-, 128-,
256-QAM (digital implementation) |
| Shoulder
attenuation |
[dB] |
typ. 50 |
| Signal
processing |
|
according
DVB-Standard |
| Spectrum
shape |
[%] |
15 cos-roll-off |
| FEC |
|
Reed-Solomon
(204,188)-Code |
| Data rate
adjust |
|
yes |
| PCR
correction |
|
yes |
| Output symbol
rate |
[MBaud] |
depends on input data
rate |
| Bandwidth |
[MHz] |
depends on input data
rate |
| Brutto data
rate |
[MBit/s] |
depends on input data
rate |
| RF Output |
| Connections |
[Ω] |
IEC jack, 75 |
| Frequency
range |
[MHz] |
47 - 862(C 2- C 69) |
| Output level |
[dBµV] |
80 … 90, adjustable |
| MER
(Equalizer, 64 QAM) |
[dB] |
typ. 40 |
| Spurious freq. distance 40 - 862 MHz |
[dB] |
>
60 discrete interferences / > 57 noise interferences |
| Spurious freq. distance >950 MHz |
[dB] |
> 20 relating
to 100 dBµV system level and 90 dBµV operating level |
| Common data |
| Power
consumption |
[W] |
9,5 |
| Ambient
temperature |
[°C] |
0... +50 |
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