NDS3303 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.

Feature
Complying DVB standard signal channel coding.
Support full range variable data rate, bandwidth and QAM mode Data stuffing
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
PCR adjusting, output symbol rate variable: 1-7Ms/s
Fixed or agile channel output;
Providing DVB ASI/SPI code stream interface.
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: 2-7Mbaud/s
Correction coding: RS Coding204

Input data rate: 1.5-51Mbps
Channel data rate: 20-56Mbps

IF output
IF Channel: 35.25/36.15/36.65/70MHz Optional
Output Level: 100dBmV

Miscellaneous
Dimension: 19 Inch 1U Standard Structure
Temperature: 0 -45(Operating) -20 -80(Storage)

Power: 220VAC 50Hz 25W