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QAM-4 QAM Modulator is mainly used in low-end markets and OEM customers. It aims to provide customers with easy operation, complete function, highly integration and most reasonable price.
The Modulator can input four-way TS (ASI) and outputs one-way RF signal. After data processing, the four-way TS, without multiplexing, are transferred to QAM Modulator, and are processed with intermediate frequency (four adjacent frequency with intervals of 6 MHz or 8 MHz and the center frequency is 55MHz), and then combined and up-converted and transferred to TV channels.
FEATURES:
support ITU-T J.83A & B ;
FEC fuifill DVB-C;
188/204 packet auto-identification, displaying input data format real time;
Large cache, support burst input bit stream;
support PID filtering and re-mapping;
PCR correction;
displaying of the system and valid bite rate;
Outstanding self-adapting filtering circuit designs to maximal reliability and availability;
-20dB testing interface with RF output;
Power off memory.
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