GQ-3680N Multifunctional DVB-C Modulator

This device is a new generation of multi-function modulator (DVB-C). A single IP / modulation board has 2 IP inputs, multiplexing, scrambling and multi-channel modulation functions. The device supports up to 3 boards and 72 frequency points. Modulation. This device adopts 'module management function', which can well meet the current and future digital TV system requirements of customers. In terms of management and maintenance, it supports Web-based management.

Front panel：

Rear panel：

Main Features

• · Support ITU-T J.83 Annex A / C modulation, output frequency range: 48MHz ~ 866MHz

• · QAM mode can work in 16QAM, 32QAM, 64QAM, 128QAM, 256QAM

• · Support up to 4 CASs with the same secret and DVB-CSA scrambling

• · The reuse part supports automatic generation and manual upload of SI / PSI information;

• · The network parameters of data input and output can be flexibly configured, and the input code stream can be automatically detected

• · The IP interface supports bursts and uniform input streams, and performs uniform code reformulation on the streams to improve the output stream efficiency

• · Single board card with 24 adjacent frequency outputs, the channel is equipped with selective output switch

• · Bit rate range of output data: single channel 15.5 ～ 51.6Mbps

• · RF single channel output data symbol rate range: 2.2 ～ 7Mbaud / s

• · Output level range: 87dBuV ～ 105dBuV (24 channels, 0.25dB step)

• · The channel is equipped with a gain fine adjustment function, which can equalize the in-bａnd level, and the level adjustment range is 0 ~ 18dB

• · Support import and export of equipment working parameters

• · Support web network management, all main control software support remote online upgrade

Technical Specifications

Typical Application