QAM Modulator

SC-4101 QAM modulator is one of the main equipments of cable digital TV front-end, receiving DVB transport stream from encoder, multiplexer, DVB gateway, scrambler, video server or other equipments, and making RS codes, convolution interleaving and QAM modulation with RF output; adopting the new generation of integrated circuits BCM3034, low power consumption, good performance.

Features • 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 code 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.