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Help CenterCATV QAM Modulator With Scrambler RF Modulator
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Overview:
SC-4144 QAM modulator&scrambler is one of the main equipment of cable digital TV head-end, it receive data from the encoder, multiplexer, DVB gateway, satellite receiver, video server and other DVB Standard device, and make RS codes, convolution interleaving and QAM modulation, beside, it has built-in a 4 channel scrambler,support 4 channel different CAS, and output 4 channel RF signal. SC-4144 adopt a new integrated circuits ADV9789,it has low-power consumption, high performance features.
Features
. Meet DVB standard channel coding;
. Support full range of variable Symbol Rate and QAM mode;
. 8M cache, anti-burst stream;
. ECM,EMM message
. Scrambing with CAS.
. Data filling function;
. Support IP data injection;
. Configurable PID filter, re-mapping, PSI, SI information update;
. Support NIT table inserts;
. Real-time transport stream monitoring;
. PCR correction;
. Fixed or variable frequency output;
. Provide RF output monitoring port (-20dB);
. Local and remote control;
. LCD display;
. High reliability design, stable operation.
. Support Annex-A (Europe).
Technical Specification:
Input |
5 ASI(SC4144) |
BNC |
4 DVB-C/QAM(SC4144) |
F-head |
|
Output |
4 Channel QAM/DVB-C RF |
F-head |
Impedance |
75ohm |
|
RF Frequency |
87MHz~860MHz (agility or fixed output) |
|
Output LEV |
>=115dBmV |
|
Output LEV adjustable range |
0-20 dB(1 dB stepping) |
|
Output Return Loss |
>=12 dB |
|
MER |
>33dB |
|
BER |
0 |
|
Modulation Mode |
16,32,64,128,256,1024QAM |
|
Symbol rate |
1~7Mbaud/s |
|
Error-correcting codes |
RScode188/204 |
|
Input Bitrate |
1.5~51Mbps |
|
Channel Data Rate |
20~56Mbps |
|
Features |
Size |
44mm*482*410mm |
Environment |
0 ~ 45(Operating);-20 ~ 80(Storage) |
|
Power |
100-240VAC(-+10%),50Hz,25W |
|
Management/Control |
Network management software by IP port |
|
Keypad + LCD | ||
NMS software management
3 years warranty, life time maintenance, technical support, OEM.
Chengdu Sochuang Electronics Co.,Ltd. welcome to visit our website:
Any question, please add me Skype ID: jackpeng2000
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