ASI Input Satellite DTV Modulator DVB-S2 8PSK / APSK / QPSK Modulator

DVB-S2 8PSK / APSK / QPSK Modulator

Product Overview

GQ-3780 is a professional DTV Satellite Modulator which can receive the DTV transport streams from ASI interface, RS-530/422 interface (optional), G703 interface (optional), LVDS interface (optional), and then modulate the signals by DVB-S/S2 standard. It finally outputs the signals after up-conversion at mid-frequency or L-band via RF or IF outputs. This device has outstanding RF performance which can be used in satellite DTV network head end systems.

Main Features:

• Input rate range: 8 Kbps~140 Mbps
• Modulation support BPSK, QPSK, OQPSK, 8PSK, 16QAM
• Data input interface: ASI, optional interfaces: RS-530/422, G703, LVDS
• Support 70 MHz/140 MHz IF output and 950~2100 MHz L band output
• Support time delay balance of 70 MHz/140 MHz IF group
• Available FEC mode: 1/2, 3/4, 5/6, 7/8
• Remote monitoring methods support USB, Ethernet, RS-232, RS-485
• Centralized Web/SNMP management and remote upgrade/maintenance
• Support monitoring of operation temperature and power supply status

For More Information

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     Gospell Digital Technology Co., Ltd. (Stock Code: 002848) is a high-tech enterprise in the field of electronic information. It is recognized as a "benchmark enterprise in the electronic information industry" and a "key high-tech enterprise of the National Torch Plan" in China. It is a leading enterprise and backbone enterprise in the broadcast television transmission and satellite transmission service industries. Additionally, it is a leading enterprise in the electronic information manufacturing industry in Hunan Province and is internationally renowned as a brand enterprise. It is also recognized as a nationwide contract-abiding and trustworthy unit and a Chinese quality and integrity enterprise. The company was established in 1993 and founded Chenzhou Gospell Digital Technology Co., Ltd. in 2001. On February 13, 2017, it was listed on the Shenzhen Stock Exchange. In 2020, Weifang Bincheng Investment Development Co., Ltd. became the controlling shareholder of the company, with the Weifang State-owned Assets Supervision and Administration Commission becoming the actual controller of the company. The company is headquartered in Gospell Industrial Park, Suxian District, Chenzhou City, Hunan Province. It has eight wholly-owned subsidiaries: Chengdu Tongcy Digital System Co., Ltd., Chenzhou Gospell Digital Technology Co., Ltd., Chenzhou Gongtian Electronic Ceramic Technology Co., Ltd., Chenzhou Gospell Precision Manufacturing Co., Ltd., Gospell Digital Technology (Shandong) Co., Ltd., Gospell Digital Technology Hong Kong Co., Ltd., Gospell Digital Technology India Subsidiary, and Shenzhen Qianhai Xutian Communication Co., Ltd. It operates one production base, consisting of five major workshops: SMT workshop, DIP workshop, assembly workshop, injection molding factory, and hardware factory, with a total of 45 production lines.

    As a national high-tech enterprise, Gospell boasts a sophisticated technology R&D matrix and has mastered more than 20 core technologies in the audio and video field. Several technological innovations have been recognized as "national key new products" and "provincial-level scientific and technological achievements," and have received the "Hunan Province Science and Technology Progress Award." As of December 2023, the company has undertaken eight provincial-level and higher scientific and technological achievement transformation projects. It holds over 65 intellectual property patents, including 52 invention patents, 9 utility model patents, and 4 design patents. Additionally, Gospell has secured 117 computer software copyrights.

   We commenced our overseas operations early, embarking on digital television system construction in international markets as early as 2004. To date, we have constructed over 200 ground and cable digital television systems, exclusively supplying core equipment, in more than 60 countries across Asia, Africa, Latin America, and Europe.