DVB-S/S2/S2X Kepada DVB-T Modulator NDS3902M DVB-T TransModulator
DVB-S/S2/S2X Kepada DVB-T NDS3902M DVB-T TransModulator
* *Input Penala DVB-S/S2/S2X dengan 2 slot CAM
* 2 kumpulan pemultipleksan +2 kumpulan DVB-T modulasi
* Menyokong pelarasan PCR yang tepat, Pemetaan Semula PID, pembinaan semula dan penyuntingan PSI/SI, penapisan PID A/V
* Pengurusan NMS berasaskan web
Carta Prinsip
Spesifikasi Teknikal
| Input | 2 Penala DVB-S/S2/S2X | ||||
| Bahagian Penala | Penala DVB-S/S2/S2X | DVB-S | Kekerapan Input | 950~2150MHz | |
| Kadar simbol | 0.5~45Msps | ||||
| Kekuatan isyarat | - 65- -25dBm | ||||
| FEC | 1/2, 2/3, 3/4, 5/6, 7/8 | ||||
| Buruj | QPSK | ||||
| Kadar bit input maksimum | ≤129 Mbps | ||||
| DVB-S2 | Kekerapan Input | 950~2150MHz | |||
| Kadar simbol | QPSK/8PSK /16APSK: 0.5~45 Msps 32APSK: 0.5~40Msps; | ||||
| FEC | QPSK: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 8PSK: 3/5, 2/3, 3/4, 5/6, 8/9, 9/10 16APSK: 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 32APSK: 3/4, 4/5, 5/6, 8/9, 9/10 | ||||
| Buruj | QPSK, 8PSK, 16APSK, 32APSK | ||||
| Kadar bit input maksimum | ≤129 Mbps | ||||
| DVB-S2X | Kekerapan Input | 950~2150MHz | |||
| Kadar simbol | QPSK/8PSK /16APSK: 0.5~45 Msps 8APSK: 0.5~40Msps 32APSK: 0.5~40Msps | ||||
| FEC | QPSK: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10, 13/45, 9/20, 11/20 8PSK: 3/5, 2/3, 3/4, 5/6, 8/9, 9/10 8APSK: 5/9-L, 26/45-L 16APSK: 2/3, 3/4, 4/5, 5/6, 8/9, 9/10, 1/2-L, 8/15-L, 5/9-L, 26/45, 3/ 5, 3/5-L, 28/45, 23/36, 2/3-L, 25/36, 13/18, 7/9, 77/90 32APSK: 3/4, 4/5, 5/6, 8/9, 2/3-L, 32/45, 11/15, 7/9 | ||||
| Buruj | QPSK, 8PSK, 8APSK, 16APSK, 32APSK | ||||
| Kadar bit input maksimum | ≤129 Mbps | ||||
| Menghuraikan | CAM/CI | 2 set | |||
| Multiplexing | Pemetaan Semula PID Maksimum | 256 setiap saluran input | |||
| Fungsi | Penapisan PID A/V | ||||
| Pemetaan Semula PID | |||||
| Pelarasan PCR yang tepat | |||||
| Hasilkan jadual PSI/SI secara automatik | |||||
| Modulasi | DVB-T | Standard | EN300744 | ||
| Mod FFT | 2K | ||||
| Lebar jalur | 6M, 7M, 8M | ||||
| Buruj | QPSK, 16QAM, 64QAM | ||||
| Selang Pengawal | 1/4, 1/8, 1/16, 1/32 | ||||
| Kadar Kod | 1/2, 2/3, 3/4, 5/6, 7/8 | ||||
| MER | ≥42 dB | ||||
| Kekerapan RF | 50~960MHz, langkah 1KHz | ||||
| RF keluar | Output gabungan pembawa bukan bersebelahan 2*DVB-T | ||||
| Tahap keluaran RF | -28~ -3 dBm (79~104 dbµV), langkah 0.1db | ||||
| Sistem | Sokongan NMS berasaskan web | ||||
| Peningkatan perisian Ethernet | |||||
| Umum | Suhu | 0~45 ℃ (Operasi);-20~80 ℃ (Storan) | |||
| Kuasa | AC 100V±1050/60Hz;AC 220V±10%, 50/60HZ | ||||



