GQ-3800B DVB-T2 Modulator , HD Digital TV Modulator Support Both SFN/MFN

Product Overview

GQ-3800B is a single-channel DVB-T2 modulator. It has two ASI inputs (MPEG-2 TS or MI data), and provides two IP signal input interfaces for DVB-T2 SFN/MFN. It can receive signal in both standard TS format and T2-MI format, and outputs one DVB-T2 (30MHz～900MHz) modulated signal after channel coding, interleaving and modulation. It operating parameters can be configured locally or remotely via DVB-T2 gateway. GQ-3800B’s output signal can be directly connected with power amplifier to constitute a digital terrestrial transmitting station.

Main Features:

• Support both SFN/MFN
• Support Multiple Input Single Output (MISO) AND Single Input Single Output (SISO)
• Support linear/non-linear pre-distortion correction
• Able to work in QPSK/16QAM/64QAM/256QAM(standard or rotated) mode
• Two ASI input interfaces can back up each other
• Support data input in T2-MI or MPEG2 TS format
• High-quality output, MER＞42dB, shoulder level＞55dB
• Output signal bandwidth: 5M,6M,7M,8MHz
• RF frequency range: 470MHz～862MHz, with output on/off switch
• Main output level up to 0dBm
• Support PAPR adjustment for output signal
• -20dB RF testing output
• Modulation module is designed based on FPGA to ensure the stability of device
• Adopt extra-large cache memory for both uniform and burst input stream at ASI interface
• Self-adaptive filter circuit design ensures outstanding out-of-band rejection
• Support online upgrade of embedded program

Gospell Digital Technology Co., Ltd.(Stock Code: 002848) was established on 23th August, 2001. Headquartered in Gospell Industrial Park, Suxian District, Chenzhou City, Hunan Province, GOSPELL has five wholly owned institutions: Chengdu Toncy Digital System Co. Ltd., Chenzhou GONTCERA Electronic Ceramic Technology Co. Ltd.,Shenzhen Gospell Smarthome Electronic Co. Ltd.,Gospell Digital Technology Pvt. Ltd.,Shenzhen Goscam Software company limited., and the newly shared company Anhui GHBE Digital Technology Co., Ltd. The brands GOSPELL(DTV), XIPOINT(Satellite TV), GONTCERA(GONTCERA Ceramics) have strong brand advantages over others and this company possesses a highly competitive sales and marketing network in the relevant fields.

GOSPELL has been engaged in the R&D, production and sales of DTV software and hardware products. Starting from DTV manufacturing, and adhering to the road of independent and domestic development, GOSPELL has owned a rich experience of DTV research and design, quality and cost control, systems engineering construction and technical services. For the product manufacturer, systems integrator and technology service providers, GOSPELL has already ranked in the top of the global DTV market.

As one of the very few DTV manufactures which possess rich and complete product lines, GOSPELL continues to expand her market coverage area. After years of development, this company has already built more than 300 cable and terrestrial DTV systems for domestic customers, and has conquered almost all the provincial regional markets with all kinds of DTV products. Gospell's overseas business started at an early time: Gospell started the construction of digital television systems in overseas markets since 2004, and so far has built more than 200 Terrestrial and Cable Digital TV systems in over 60 countries in Asia, Africa, Latin America, Europe, etc.

The subsidiary Chenzhou XIPOINT Technology CO. Ltd is one of the main providers of Satellite TV products, and the satellite receivers and LNB products occupy a higher market share in the global market. XIPOINT is also one of the only eight enterprises that are audited by Ministry of Industry and Information Technology, and have the appointed production qualification to produce satellite receivers, LNB, antenna, and also is one of the 24 broadcast satellite set-top-box manufacturers appointed by SARFT, and have won the bid and implemented a lot of Broadcast TV “Village to village Connection” & “Family to family Connection” projects.

Gospell was awarded “Export Brand of Hunan Province” by Hunan Provincial Department of Commerce in 2006, and was awarded “Famous Brand of Hunan Province” in 2008 and 2011, and was named “National Torch Plan Key High-tech Enterprise” in 2012, and was named “Hunan Province Famous International Brand” by Hunan Provincial Department of Commerce in 2010 and 2013, was awarded “National Electronic Information Industry Model Enterprise” in 2013, and was identified as “Famous Trademark” in 2014, and was awarded “Hunan Province Governor Quality Award” in 2014, gained “Quality Credit Rating Certificate AAA” in 2015, “High-frequency Microwave Copper-clad Plate Industry Model Enterprise” in 2015, “Beijing Science and Technology Award” in 2016, Gospell has a much higher brand influence in domestic and foreign markets.

Adhering to the business purpose of “Technology Serves People”, and the pursuit of “To pursue a steady and sustainable growth, determined to be an outstanding leading enterprise of electronic & information industry”, and following the course of actions of “Product specialization, production scale, market differentiation, flat management”, Gospell focuses on development, and strictly controls the quality, and extends his own brand, and seizes the opportunities brought by the innovation wave of TV technology, and speeds up the enterprise upgrading and the transformation from selling products to providing system services and platform, and ultimately achieves the company’s goals, and leads the development trend of China digital TV industry.