Ecvv Trade
Chengdu Sochuang Electronics Co., Ltd.

China Manufacturer with main products: Multiplexer, Encoder, Ird, Modulator, Scrambler, Ts Player, Satellite Receiver, Digital Headend

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QAM Modulator

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SC-4101 QAM modulator is one of the main equipment of cable digital TV headend, receiving data from the encoder, multiplexer, DVB gateway, scrambler, video server and other equipment’s 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.
. Meet DVB standard channel coding;
. Support full range of variable Symbol Rate and QAM mode;
. 8M cache, anti-burst stream;
. Data filling function;
. Support IP data injection;
. Configurable PID filter, re-mapping, PSI, SI information synchronization update;
. Support NIT table inserts;
. Real-time transport stream monitoring;
. PCR correction;
. Fixed or variable frequency output;
. Provide ASI and DS3 (Optional) Enter interface;
. Provide RF output monitoring port (-20dB);
. Local and remote control;
. LCD display in Chinese and English, easy and flexible to operate;
. High reliability design, stable operation.
. Support Annex A(Europe) and Annex B(America) .
Technical Specification:
Modulation Mode
Symbol rate
Error-correcting codes
Input data code rate
Channel Data Rate
Input interface
2 ASI in(DVB standard)
RF Frequency
47~870MHz (agility  or fixed output)
Output LEV
Output LEV adjustable range
0-16 dB(0.5 dB stepping)
Output Return Loss
>=12 dB
General Features
0 ~ 45(Operating);-20 ~ 80(Storage)
Network RJ-45 10/100 M
Keyboard + LCD
Network Management:
P1: DVB-C Modulator-parameter setting
P2: DVB-C Modulator-edit NIT
P3: DVB-C Modulator-PID passthrough
P4: DVB-C Modulator-PID filter
P5: DVB-C Modulator-edit PSI
P6: DVB-C Modulator-monitor

Service Process

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