Digital Headend Modulator /Multiplexer&QAM Modulator Digital Headend
USD $1 - $460 /Piece
Min.Order:1 Piece
Chengdu Sochuang Electronics Co., Ltd.
Overview:
Multiplexer QAM modulator is one of the main equipment of cable digital TV head-end, receiving data from the encoder,
multiplexer, DVB gateway, scrambler, video server and other DVB transport stream, and make RS codes, convolution
interleaving and QAM modulation channel processing, RF output. Use a new generation of integrated circuits BCM3034,
low-power, high index.
Features:
u Meet DVB standard channel coding;
u Support full range of variable Symbol Rate and QAM mode;
u 8M cache, anti-burst stream;
u Data filling function;
u Support IP data injection;
u Configurable PID filter, re-mapping, PSI, SI information synchronization update;
u Support NIT table inserts;
u Real-time transport stream monitoring;
u PCR correction;
u Fixed or variable frequency output;
u Provide ASI and DS3 (Optional) Enter interface;
u Provide RF output monitoring port (-20dB);
u Local and remote control;
u LCD display in Chinese and English, easy and flexible to operate;
u High reliability design, stable operation.
u Support Annex-A (Europe) and Annex-B (America).
Technical Specification:
Modulation Mode | 16,32,64,128,256,1024QAM | |
Symbol rate | 1~7Mbaud/s | |
Error-correcting codes | RScode188/204 | |
Input data code rate | 1.5~51Mbps | |
Channel Data Rate | 20~56Mbps | |
MER | >33dB | |
BER | 0 | |
Input interface | 2 ASI in with multiplexer | |
RF Frequency | 110MHz~860MHz (agility or fixed output) | |
Output LEV | >=115dBmV | |
Output LEV adjustable range | 0-16 dB(0.5 dB stepping) | |
Impedance | 75ohm | |
Output Return Loss | >=12 dB | |
General Features | Size | 44mm*482*410mm |
Environment | 0 ~ 45(Operating);-20 ~ 80(Storage) | |
Power | 100-240VAC(-+10%),50Hz,25W | |
Management | Network RJ-45 10/100 M | |
Keyboard + LCD |
l Free pre-sales and after-sales technical support
l 3 years warrantly
l Remote online support and training
l Hardware/Software upgrade support