T Y P E |
ttq420 |
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Ordering number |
03854F |
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Number of channels |
2 |
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RF input |
frequency range |
pr. |
47-862 MHz |
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LNB powering/control |
pr. |
12 V 100 mA |
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level/impedance |
40-80 dBµV / 75 Ω |
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loop through gain |
0 ± 1 dB |
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standard |
pr. |
DVB-T |
DVB-T2 |
DVB-C |
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modulation |
QPSK, QAM16, |
QPSK, QAM16, |
QAM16, QAM32, |
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bandwidth |
pr. |
7 MHz/8 MHz |
7 MHz/8 MHz |
- |
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symbol rate |
pr. |
- |
- |
1 ÷ 7.2 Ms/s |
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code rate |
1/2, 2/3, 3/4, |
1/2, 3/5, 2/3, 3/4 |
- |
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roll off |
- |
- |
15 % |
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RF output |
standard |
pr. |
DVB-C / J.83B |
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modulation |
pr. |
QAM16/QAM32/QAM64/QAM128/QAM256 (DVB-C), |
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frequency range |
pr. |
100 - 858 MHz, by step 100 kHz |
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channel allocation |
adjacent |
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level/impedence |
90 ± 2 dBµV/75 Ω |
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return loss |
≥ 14 dB at 47 MHz; -1.5 dB/oct., but not less 10 dB |
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spurious level |
< - 60 dB |
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MER |
≥ 40 dB |
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channel bandwidth / symbol rate |
pr. |
4...8.3 MHz / 3.5 ÷ 7.2 MS/s |
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roll off |
15 % |
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signal processing |
EN 300 429, J.83 A (Annex A) |
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total output level adjustment |
pr. |
0 ÷ -15.0 dB by 1 dB step |
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loop through frequency range/loss |
47-2150 MHz / ≤ 2.5 dB |
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Transport stream |
max. bit rate |
output 53 Mbps |
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max. PID filter count |
unlimited |
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Management port |
standard IEE802.3 10/100 Base T |
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Current consumption*** |
12 V 650 mA |
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Operating temperature range |
0°C ÷ +50°C |
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Dimensions/Weight (packed) |
48.5x198x112 mm/0.9 kg |
pr. - software control
*** without external DC feeding and CAM, with two CAM’s ≈0.85 A (for tdq420C), ≈0.95 A (for ttq420C)