Specifications

Complying DVB standard signal channel coding.
super buffer (optional),anti-burst code stream
PID filter, re-reflection, PSI,SI

COL5400A QAM Modulator, is the main equipment CATV digital head-end, receiving DVB transport streams which come from coder, multiplexer, DVB gateway, scrambler, video server etc. It does signal processing like 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

 

Specifications

  

Modulating mode		16,32,64,128,256 QAM
Symbol rate		3-7Mbaud/s
Correction coding		RS Coding188/204
Input data rate		1.5-51Mbps
Channel data rate		20-56Mbps
MBR		>33dB
BER		0
Input interface	ASI	DVB standard
	SPI
Output	IF Frequency	35.25/36/36.15/44 MHz (optional)
	RF Frequency	48-800Mhz
	Output Level	≥115dBμV
	Output Level adjustable	0-16dB(0.5dB stepping)
	Impedance	75Ω
	Output return loss	≥15dB
Miscellaneous	Dimension	44mmx482mmx410mm
	Temperature	0-45°C(Operating) -20-80°C(Storage)
	Power	110-220VAC±10%,50Hz,60HZ,25W