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Gospell Digital technology Co., LtdFree·1YRS
GQ-3760 DTMB Modulator
NegotiableUpdate on September 29
- Model
- Nature of the Manufacturer
- Other
- Product Category
- DTT Transmitter
- Place of Origin
- City, Province
Overview
Main Features• Support modulation modes of single carrier and multicarrier • Able to work in 4QAM-NR/4QAM/16QAM/32QAM/64QAM mode• Four input interfaces • Input TS bit rate range: 1.5 Mbps～100.0Mbps• Output TS bit rate range: 5.2 Mbps～32.4Mbps• MER＞40dB• Output signal bandwidth:7.56MHz (roll-off factor=0.05)• RF frequency range: 30MHz～860MHz • Output EPL range: 95dBuV～115dBuV(0.5dBuV step size) • Input TS support 188/204 data packet length (self-adaptive)
Product Details
Product Overview
GQ-3760 is a professional DTBM modulator which can receive DTV transport streams from ASI interfaces, and then modulate the signals by DTMB standard (GB20600-2006). It finally outputs the signals after up-conversion（30MHz~860MHz） via RF outputs. This device has outstanding RF performance which can be used in terrestrial DTV network head-end. It also supports the WEB/SNMP-based management.
Technical Specifications
Input Interface | ||
Type | 8*BNC-J12（75Ω） | |
Data Format | 188/204 bytes (self-adaptive) | |
Data Rate | 0~100Mbps | |
Output Interface | ||
Type | BNC-J12（75Ω） | |
Standard | GB 20600-2006 | |
Output EPL range | 90dBuV～110dBuV | |
Gain Fine-tune | 0～-20dB，step size of 0.25dB | |
Reflection Loss | ≥12dB | |
Out-of-bａnd SNR | Inner adjacent channel<> Outer adjacent channel<> | |
TS Processing | ||
Maximum Multiplexing Capability | 128 | |
Modulation | ||
Constellation | 4QAM-NR、4QAM、16QAM、32QAM、64QAM | |
Modulation Standard | GB 20600-2006 | |
Output Bit Rate | 5.2 Mbps～32.4Mbps | |
Output Bandwidth | 7.56MHz | |
RF Frequency Range | 30～860MHz | |
Management | ||
Connector Type | Ethernet 10/100 Base-T | |
Interface | RJ-45 | |
Power | ||
Input Voltage Range | 85～260V AC | |
Input Frequency Range | 50/60Hz | |
Typical Consumption | <> | |
DC Output | 5V/5A,12V/1A | |
Environmental | ||
Operating Temperature Range | 5℃～45℃ | |
Storage Temperature Range | -25℃～85℃ | |
Operating Humidity | 10%～90% | |
Physical | ||
Dimensions (W x H x D) | 483mm x 44mm x 300mm | |
Weight | <> | |
Typical Application
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