Outline
YDN-QA101 QAM Modulator, is the main equipment of CATV digital head-end, receiving DVB transport streams which come from coder, multiplexer, DVB gateway, scrambler, video server etc,to RS coding, convolution interleaving and QAM modulating, providing IF/RF output.

 

Features
◆Complying DVB standard signal channel coding.
◆Support full range variable data rate, bandwidth and QAM mode Data stuffing
◆super buffer (optional), anti-burst code stream
◆PID filter, re-reflection, PSI, SI information synchronal updating possible.
◆Automatically code stream stuffing and empty pocket deleting.
◆Code stream real-time monitoring, empty pocket filtering
◆Support NIT table modifying
◆real-time code stream monitoring
◆PCR adjusting, output symbol rate variable:1-7Ms/s;
◆Fixed or agile channel output;
◆Providing ASI and Ds3 input port and output port (optional)
◆Providing RF output monitoring port(-20dB);
◆Local or Remote administration possible.
◆LCD display, flexible in operating
◆High reliability design, stable in running