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Gospell Digital Technology Co.,ltd.
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Modular ATSC DVB-T2 Digital TV Transmitter Four Power Amplifier Modules
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
3KW UHF Terrestrial Transmitter
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3KW UHF Terrestrial Transmitter
Product overview
Gospell’s GT-5900-3000 is a high power air cooled UHF terrestrial DTV transmitter which combines up to four power amplifier modules with a maximum 3000W of output power. It has superior performance and enhanced efficiency by adopting a series of technologies. It can work in any frequency within the UHF span, and the transmitting bandwidth can be up to 80MHz.
This series of products has an optimized design in forced air cooling and architecture, with lower noise, higher efficiency and outstanding anti-interference performance; GT-5900-1600 series can support a wide range of Digital Terrestrial Television (DTT) standards, such as DVB-T/H, ATSC, DTMB, ISDB-T/Tb and even the latest DVB-T2 standards.
By incorporating our latest technologies of linear and non-linear digital adaptive pre-correction, RF delay and co-channel interference rejection, this system fulfills the needs of single band or broadband transmission in medium to large-scale terrestrial coverage scenarios.
Main Features and Benefits:
High Performance
Supports 3000W of digital output power for DVB-T/DVB-T2/ISDB-T standard
Optimized structure design, with lower noise, higher efficiency and outstanding anti-interference performance
High Flexibility and Stability
Modular design across the whole system, easy installation, maintenance and upgrade
Optional 1+1 redundant exciters and Preamplifiers
Multiple protection mechanisms are introduced for over-load, over-temperature, over-current and high VSWR
Large and dynamic Auto Gain Control (AGC) circuit ensures stability of output power
Improved power efficiency thanks to linear and non-linear Digital Adaptive Pre-correction
High Adaptability and Availability
Suitable for different contries and / or areas because multiple DTT standards are complied with, including DVB-T, DVB-T2, ATSC, DTMB and ISDB-T/Tb
Available in single and three phase power grid environments to meet different requirements of deployment
Wide range of working frequency from 470MHz to 860MHz
Lower CAPEX/OPEX
Improved ratio of cost to performance, lower CAPEX for operators
Low power consumption with high efficient LDMOS amplifiers to reduce electricity cost for operators
Reduced investment in manpower, benefits from convenient local monitoring and management through built-in touch screen display or remote monitoring via SNMP network management and/or telcom wireless network
User Friendly Monitoring Interface
Built-in color TFT LCD with touch screen in the front panel, supports monitoring & control of working states and any malfunction on any module without additional testing/monitoring equipment required, such as transmitting power, VSWR, working voltage/current, fan speed, IP address and so on.
Block Diagram:
Technical Specifications:
| Items | Ordering Codes | GT-5900-800 | GT-5900-1000 | GT-5900-1200 | GT-5900-1600 | |
| General Parameter | Output Power(RMS)* | 800W | 1000W | 1200W | 1600W | |
| Number of PAs | 3 | 4 | ||||
| Number of Power Supplies | 3 | 4 | ||||
| Weight | 230Kg(507 lbs) | 250Kg (551 lbs) | ||||
| Frequency Range(FIN) | 470 to 860MHz | |||||
| Channel Bandwidth | 6MHz, 8MHz | |||||
| Supported Standards | DVB-T2, DVB-T/H, DTMB, ATSC, ISDB-T/Tb | |||||
| Transmitting Mode |
Standard: Single band Optional: Broadband (maximum 80MHz) |
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| Supported Network | SFN or MFN | |||||
| Cooling Method | Forced Air Cooling with top-mounted ventilation flue | |||||
| Dimensions (W x H x D) | 650mm x 1700mm(35U) x 1000mm (25.6’’ x 66.9’’ x 39.4’’) | |||||
| Notes: * The above output powers are calculated per ATSC/ DTMB standards under single band mode. | ||||||
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Main Components |
Preamplifier | 1 x Preamplifier module(3U) | ||||
| Exciter (Optional)** | 1 x DVB-T2/DTMB Exciter(modulator) (1U)** | |||||
| Power Splitter and Combiner | Built-in | |||||
| Monitoring and Control Unit | 1 x Monitoring control unit(2U) with 7” LCD touch screen | |||||
| Bandpass Filter(Optional) | Optional Single band or broadband Bandpass filter | |||||
| Notes: ** Please contact our sales representative for the other exciter/modulator requirements. | ||||||
| Environmental | Operating Temperature | 0 to 45°C | ||||
| Operating Humidity | 0 to 95%, non-condensing | |||||
| Power Supply | AC Input | Three-Phase Option | 4 wires (3-phase + neutral), 342-418V AC, 50Hz±5% | |||
| Single-Phase Option | 2 wires, 190-250V AC, 50Hz±5% | |||||
| Surge Protection |
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Find more related products in following catalogs on Hisupplier.comCompany InfoGospell Digital Technology Co.,ltd. [China (Mainland)]
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