TERRA TDX481 Multichannel digital transmodulator 8 DVB-S/S2 to 8 DVB-T channels
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T Y P E |
tdx481 |
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Sections input/output |
8/8 |
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RF input
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RF input count |
1 |
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frequency range |
pr. |
950-2150 MHz |
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level/impedance |
55-95 dBµV / 75 Ω |
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return loss |
≥ 10 dB |
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loop through frequency range/loss |
950-2150 MHz / ≤ 1.5 dB |
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LNB powering/control |
pr. |
0/13/18 V & 22 kHz, 500 mA total, DiSEqC 1.0, EN50494, EN50607 |
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standard |
pr. |
DVB-S/S2* |
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modulation |
QPSK, 8PSK, APSK 8/16/32 |
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symbol rate |
pr. |
2 ÷ 45 Ms/s |
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RF output |
standard |
pr. |
DVB-T |
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modulation |
pr. |
QPSK, QAM16, QAM64 |
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frequency range |
pr. |
170-230 MHz /470-862 MHz |
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channel allocation, adjacent |
4 + 4 |
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level/impedance |
90 ± 2 dBµV/75 Ω |
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TS bit rate |
< 31 Mbit/s |
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MER |
≥ 35 dB |
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channel bandwidth |
pr. |
7 MHz / 8 MHz |
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guard interval |
pr. |
1/4, 1/8, 1/16, 1/32 |
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code rate |
pr. |
1/2, 2/3, 3/4, 5/6, 7/8 |
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return loss |
≥ 10 dB |
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transmission mode |
2K |
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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 |
45-862 MHz / ≤ 2.5 dB |
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Management port |
standard IEE802.3 10/100 Base T |
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Supply voltage |
12 V ± 1 V |
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Current consumption, without external load |
1.2 A |
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Current consumption, with maximum external load |
2.2 A |
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Operating temperature range |
0°C ÷ +35°C |
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Dimensions/Weight (packed) |
63x198x112 mm/1.24 kg |
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