LF－985
Contents
1. 1 LF 985 LF 50 LF 943D LF 941D CAT V 5 LF 8385 2 42. i LF985 2 dB CN CN TCSPSK 9 110 CS N SAT 110 QPSK 8 CS TV QPSK 3 4 2004 BS
3. NN BER LF 985 LF 50 BER BER MER BER MER LF 985 BER LF 985 LF 50 1 34 dB 46 dB V 2 64QAM 3 LF 985
4. 5 870 MHz 90 770 MHz BER MER S 950 2 150 MHz BER MER CATV 50kHz B S C S 1MHz VHF UHF CATV BS CATV 10 678 GHz 10 678 GHz 10 678 10 873 11 2 11 3 GHz LNB 2 5 15 GHz JCSAT 3 4 10 678 10 873 10 99 11 2 SCC A C 11 3 GHz N STARa b 11 2 11 3 GHz ASIA SAT ASIA SAT 2 3 5 15 GHz CATV CATV N SAT 110 JCSAT 3 4 SCC C JCSAT 1 4 gt AM FM CW MSK BPSK QPSK 16 256QAM OFDM 8VSB 20 120 dBV 40 60 dBmV 35 120 dBV
5. BS CS CATV CN CN CATV CATV 5 MHz 200 99 999 CATV BS CS N
6. Dl Dl SS AC 6 10 100 4 5 typ 70 6 typ BS CS DC OFF 6 typ 3 typ BS CS DC LCD 320 x 240 EL 150 mA 6 AC 2 1 LF 985 CATV QAM BER MER Technical InfOrmation BER MER
7. ISDB T 13 200 CFA TYPE TYPE I SanDisk EE BMP 5 10 20 60 OFF 1 999 1 1 200 99 999 CATV 9 85 RH 2 000 m a MER C N
8. 5 4 LF 985 40 50 60 70 80 90 dBV 1 34 89 dBuV 1 _ 46 89 dBuV MER 4 5 2 gt 55 dB BER Pre TIE 2 _ 1E 3 1E 4 1E 5 1E 6 1E Z gt 1E 8 0 0E 0 BER Pre RS 10 0 dB BS CS 50 60 70 80 BUV 48 81 dB V 50 81 dBuV
9. C N BER BS MER BS OFDM 64QAM BS GPSK AC DC CATV CATV LF 985 LF 50 4MB SanDisk SanDisk LF 985 MER LF 985
10. 50 10 BS CS 5 25 dB BS CS 55 dBuV 2 dB C N 5 20 dB 3 dB C N 20 1 25 dB 2 dB C N 5 25 dB 2 BER Pre Post QPSK 1 2 2 3 3 4 5 20 dB QPSK 5 6 6 20 dB QPSK 7 8 7 20 dB TC8PSK 2 3 10 20 dB BPSK QPSK TC8PSK BS CS 110 CS TV MER BER RS Pre RS Post 5 27 dB 5 30 dB 3 32 dB QPSK DQPSK 16QAM 64QAM A B C
11. 2003 BS 7
12. 54dBuV C N BS 110 CS CS TUV gt BER Pre gt 1E 1 1E 8 _ 1E 3 1IE 4 1E 5 0 0E 0 BER Post gt 1E 3 1E 4 1E 6 1E 8 14dB BER Pre BER Post ARIB STD B1 B2 B20 B21 CATV JCTEA STD 011 1 0 C N BS CS MER MER MER LF 985 MEH BS CS CN LF 885 LF 50 CN
13. 25 60 dBmV 25 dBV typ 2 dB 20 30 3 dB 0 40 3 dB 0 40 280 kHz typ BS 40 120 dBzV 20 60 dBmV CATV 3 dB 0 40 4 45 100 QB V 15 lt 40 QBmV 3 40 120 dBzV 20 60 dBmV BS CS BPSK QPSK 8PSK BS FM 2 dB 20 30 3 dB 0 40 27 MHz typ 34 5 MHz typ NGI dBzV 75 Q dB Vemf dBmV 75 0 N N gqBmw 25 dB 200 CATV 6 MHz 280 kHz typ JCSAT 3 JCSAT 4 F 75 Q DC 275 20 mA 5 100 Vrms 50 60 Hz 5 50 V 0 1V 5 1 V 0 6 0 2 Vp p
14. SAT 110 CS CS LNB CS AC DC LF 985 OP71 LF 885 OP7 1 LF 985 LF 985 BER MER
15. Siqnal Level IMeter BS LF 985 BER IMER BIGHAL LEVEL METEN LF HE 398 000 417 900 BS CS BER MER 4 LF 885 BS CS BER MER BER MER BER MER BS 08
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