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Medium Power DTV Transmitter With 1+1 Redundant Exciters / Preamplifiers

Categories Digital TV Transmitter
Place of Origin: China
Brand Name: GOSPELL
Model Number: GT-5900
MOQ: 1
Packaging Details: Depend on power
Delivery Time: Within 15 days
Payment Terms: TT
Supply Ability: 100pcs/Month
Certification: ISO9001,FCC,CE
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    • Product Details
    • Company Profile

    Medium Power DTV Transmitter With 1+1 Redundant Exciters / Preamplifiers

    Medium Power Air Cooled UHF Terrestrial DTV Transmitter


    Product overview


    Gospell’s GT-5900-1600 is a medium power air cooled UHF terrestrial DTV transmitter which combines up to four power amplifier modules with a maximum 1600W 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 up to 2500W of digital output power for DVB-T/DVB-T2/ISDB-T standard

    Up to 3000W of digital output power for DTMB/ATSC 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:

    ItemsOrdering CodesGT-5900-800GT-5900-1000GT-5900-1200GT-5900-1600
    General ParameterOutput Power(RMS)*800W1000W1200W1600W
    Number of PAs34
    Number of Power Supplies34
    Weight230Kg(507 lbs)250Kg (551 lbs)
    Frequency Range(FIN)470 to 860MHz
    Channel Bandwidth6MHz, 8MHz
    Supported StandardsDVB-T2, DVB-T/H, DTMB, ATSC, ISDB-T/Tb
    Transmitting Mode

    Standard: Single band

    Optional: Broadband (maximum 80MHz)

    Supported NetworkSFN or MFN
    Cooling MethodForced 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.

    Main

    Components

    Preamplifier1 x Preamplifier module(3U)
    Exciter (Optional)**1 x DVB-T2/DTMB Exciter(modulator) (1U)**
    Power Splitter and CombinerBuilt-in
    Monitoring and Control Unit1 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.
    EnvironmentalOperating Temperature0 to 45°C
    Operating Humidity0 to 95%, non-condensing
    Power SupplyAC InputThree-Phase Option4 wires (3-phase + neutral), 342-418V AC, 50Hz±5%
    Single-Phase Option2 wires, 190-250V AC, 50Hz±5%
    Surge ProtectionBuilt-in AC Surge Protector

    I/O

    Interface

    TS InputDVB-ASI (BNC female, 75Ω) (DTMB/DVB-T2 Exciter)
    MPEG-TS over IP100/1000Base-T, RJ-45 (DVB-T2 Exciter)
    RF OutputEIA 1-5/8’’ flange
    1PPS Clock InputBNC, female, 50Ω(DTMB/DVB-T2 Exciter)
    10MHz Clock InputBNC, female, 50Ω(DTMB/DVB-T2 Exciter)
    RF Monitor OutputSMA, female, 50Ω
    Monitoring & ControlLocal Monitoring & ControlTFT LCD touch screen
    Network Management Interface

    10/100 Base-T Ethernet, 1 x RJ-45,

    Supporting Web-browser or SNMP network management

    Electric PerformanceFrequency Stability

    ≤ ±1 x 10-7(Internal reference)

    ≤ ±1 x 10-10 (External 10MHz reference clock)

    Frequency AccuracyMFN: ≤ ±100Hz, SFN: ≤±1Hz
    MER≥33 dB
    Shoulder of Signal @fc±4.2MHz≤ -36dB
    In-band non-flatness@fc±3.591MHz≤ ±0.5dB
    AGC Power Control Range (∆GAGC)±8dB
    Stability of Output Power (∆POUT)≤ ±0.5dB

    For More Information

    Please visit our website or contact your local sales representative:

    GOSPELL Shenzhen, China

    Overseas Sales Center

    Block F10-F13, F518 Idea Land, Baoyuan road, Bao'an Central District, Shenzhen City 518102, Guangdong Province, China

    TEL: +86-755-26716172

    FAX: +86-755-29114035

    E_mail: sales.dtv@gospell.com

    GOSPELL Chengdu, China

    Overseas Sales Subsidiary

    The Fourth Floor, No. 2 Building, Matt High-Tech Industrial Park, Tianhong Road No#5, West High-Tech Area, Chengdu City 611731, Sichuan Province, China

    TEL: +86-28-87838224

    FAX: +86-28-87838304


    GOSPELL Chenzhou, China

    Headquarters

    GOSPELL Industrial Park, Bai Lu Tang,

    Su Xian District, Chenzhou, Hunan, China

    GOSPELL India (Office)

    Office No.C-503, 5th Floor, L.B.S. Road, Bhandup (West), Mumbai-400078

    GOSPELL Mexico (Office)

    Avenida Patria NO3489.EL Tapatio Tlaquepaque Jal.Mexico C.P.45588

    GOSPELL Kenya (Office)

    A5, Valley Place Apartment, Gitanga Close, Off Gitanga Road, P.O.Box 51043-00100, Narobi, Kenya


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