TECHNICAL APPENDIX
Digital CATV receiver (J83 A, B, C)
Modulation type |
| 16 QAM, 32 QAM, 64 QAM, 128 QAM, 256 QAM |
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Symbol frequency | MSymb/s | |
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Frequency increment | kHz | 50 |
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Video output voltage/impedance | Vss/Ω | 1/75 ± 1 dB |
IF bandwidths | MHz | 1, 5, 6, 7, 8, 12 |
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MER measurement | dB | > 33/typ. 38 |
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Digital terrestrial TV receiver |
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Modulation type |
| QPSK, 16 QAM, 64 QAM, 8 VSB |
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Symbol frequency |
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Frequency increment | kHz | 50 |
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Video output voltage/impedance | Vss/Ω | 1/75 ±1 dB |
IF bandwidths | MHz | 1,5, 6, 7, 8, 12 |
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MER measurement | dB | > 35 |
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Digital satellite receiver |
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Modulation type |
| QPSK |
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Symbol frequency | MSymb/s | |
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Frequency increment | kHz | 200 |
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IF bandwidths | MHz | 8, 18, 27, 36, 54 |
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Video output voltage/impedance | Vss/Ω | 1/75 ± 1 dB |
MER measurement | dB | >1 4 |
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Constellation analysis
ATSC
Memory oscilloscope
16 QAM, 32 QAM, 64 QAM, 128 QAM, 256 QAM
QPSK, 16 QAM, 64 QAM
QPSK, 8PSK
8 VSB
Resolution
Sampling rate
Memory depth
Remote Feeding
Bit | 12 |
MHz | 54 |
Picture | 1 |
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Switching voltage/max. current | V/mA | ||
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Control signals | kHz | 22, Tone Burst, DiSEqCTM 2.0, SCR | |
UFO®micro control signals | |||
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Power supply |
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Mains (power supply unit) | V/Hz/W | ||
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Rechargeable | V/Ah | 11,1/6.45 | |
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DC external | V | ||
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