16 non-adjacent QAM DVB-C RF OUT IP CATV Broadcasting System Digital Tv Modulator
16 non-adjacent QAM DVB-C RF OUT IP Modulator For CATV broadcasting system
Application :
OPT 5516 16 in 1 IP Mux-Scrambling modulator is the latest generational Mux-scrambling-modulating all-in-one device.It has 16 multiplexing channels,16 scrambling channels and 16 QAM (DVB-C) modulating channels, and supports maximum 1024 IP input through the GE port and 16 non-adjacent carriers (50MHz~960MHz) output through the RF output interface. The device is also characterized with high integrated level, high performance and low cost.
This is very adaptable to newly generation CATV broadcasting system.
Features:
- 20 A/V(cvbs) inputs with MPEG2 encoding
- 12 channels multiplexing+12 channels scrambling+12 channels QAM modulating
- support DVB-C (EN300 429) and ITU-T J.83A/B/C
- Support IP input and output over UDP and RTP
- Excellent RF output performance index, MER≥40db
Technical parameters:
| Input | 20CVBS inputs, BNC interface | |
| 20 pairs unbalanced stereo audio input, BNC interface | ||
| 2 GE port for IP input ( UDP/RTP) | ||
| 1 ASI input (under development) | ||
| Video | Resolution |
720×480_60i, 544×480_60i, 352×480_60i
352×240_60i, 320×240_60i, 176×240_60i,
176×120_60i |
|
720×576_50i, 704×576_50i, 640×576_50i,
352×288_50i, 320×288_50i, 176×288_50i,
176×144_50i |
||
| Encoding | MPEG-2 | |
| Bit-rate | 0.1Mbps~8Mbps each channel | |
| Rate Control | CBR/VBR | |
| GOP Structure | IBBPB | |
| Advanced Pre-treatmen | De-interlacing, noise reduction | |
| Audio | Encoding | MPEG-1 Layer 2, AC3 |
| Sampling rate | 48KHz | |
| Resolution | 24-bit | |
| Bit-rate |
128Kbps, 192kbps, 256kbps, 320kbps, 384kbps each channel |
|
| Multiplexing | Maximum PID Remapping | 180 input per channel |
| Function |
PID remapping ( automatically or manually) Accurate PCR adjusting |
|
| Scrambling | Maximum simulcrypt CA | 4 |
|
Standard |
EN300 429/ITU-T J.83A/B/C | |
| Connection | Local/remote connection | |
| Modulation |
QAM Channel: 12
Standard: EN300 429/ITU-T J.83A/B/C
MER: ≥40db
RF frequency: 30~999MHz, 1KHz step
RF output level: -12~+13dbm(95~120 dbµV), 0.1db step
Symbol Rate: 5.0Msps~7.0Msps, 1ksps stepping
Constellation: 16/32/64/128/256QAM |
|
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