5KW digital TV transmitter VHF / UHF broadcast both audio and video signals over the RF on air. It is a complete set include digital TV transmitter and TV antenna and coaxial cable kit for DTV broadcast solution. The digital TV Transmitter can transmit more than one TV channel at a time. We can custom made the TV standard like DVB-T, DVB-T2, ATSC, ISDB-T, DTMB, just tell us which TV standard you need.

5KW Digital TV Transmitter Overview:

5000W Digital TV Transmitter
5000W (5000W, air-cooled, indoor type) UHF terrestrial digital TV broadcast transmitter consists of main (backup) exciter, switcher (optional), push, power distribution, power amplification (including power distribution, amplification, synthesis)

5000W Digital TV Transmitter

1. Overview
This 5000W (5000W, air-cooled, indoor type) UHF terrestrial digital TV broadcast transmitter consists of main (backup) exciter, switcher (optional), push, power distribution, power amplification (including power distribution, amplification, synthesis) , Power synthesis, detection, control display, power amplifier switching power supply, cooling and other functional units. It puts various functional units in different chassis to form a 19-inch standard cabinet, which has the advantages of simple structure and strong integrity.

The outer surface of the cabinet adopts electro-galvanized post-spray anti-corrosion technology, high-strength cold-rolled steel plate is processed by high-precision numerical control, and the overall structural performance is excellent.

2. Features

●The exciter uses digital technology to process signals, with high indicators, complete interfaces, and online software upgrades.

●The switcher (optional) dynamically detects and monitors the output of the exciter and alarm signal, which can be remotely controlled to switch, automatically switch or manually switch.

●The display control of the whole machine adopts a large 8-inch touch LCD screen as the display unit, and the display page is clear and clear. It is convenient and quick to check the system parameters and the status of the power amplifier unit. The display control of the power amplifier unit adopts LED as the status indicator, which is simple and clear. Set the working parameters and interface configuration of the transmitter through the control panel or remote monitoring interface. After power off or restart, the original setting state can be automatically restored.

●Using the coupling loop directional coupler to detect the forward and reverse power, with good directivity and high isolation.

●With automatic power control and automatic protection functions, when the transmitter has a serious failure (such as output overload, power amplifier overheating, overvoltage, overcurrent, excessive reflected power, etc.), or when the transmitter is damaged due to external reasons, the monitoring system It will automatically reduce the transmission power or cut off the transmitter’s RF output or shut down.

●Provide serial and TCP/IP communication interfaces, provide real-time monitoring and alarm functions. Monitoring content includes: equipment working status and parameter configuration, etc. When an abnormal situation occurs in the equipment, an alarm indication is given, and the monitoring and alarm can be controlled and inquired remotely. It is convenient for users to realize unattended remote monitoring and control.

●The power amplifier unit is composed of twelve 450W power amplifiers. Each 450W power amplifier uses four imported high-efficiency high-power super-linear field effect tubes BLF888D, which has anti-high standing wave ratio (40:1), anti-static, and high efficiency ( Doherty is greater than 40%), the advantage of good linearity. The input and output of the power amplifier tube adopts microstrip impedance transformation, imported high-frequency board material, small size, low loss, consistent performance, and easy to produce without debugging. Power distribution and synthesis use in-phase distribution and synthesis technology. The power distribution adopts microstrip technology, which has the advantages of good consistency and small size. The power synthesis adopts the patented technology of suspended strip line synthesis, four-channel input two-stage synthesis, which has the advantages of large power capacity, high isolation, and insertion loss less than 0.3dB.

●The power distribution and synthesis unit of the whole machine adopts in-phase distribution and synthesis technology. The power distribution adopts microstrip technology, which has the advantages of good consistency and small size. The power synthesis adopts the patented technology of high-power distributed parameter synthesis, twelve-channel input one-stage synthesis, which has the advantages of large power capacity, high isolation, and insertion loss less than 0.1dB. The high-power absorbing load and the large-volume fan can ensure that the transmitting system does not stop working in the case of a power amplifier module failure, which greatly reduces the risk of stopping the broadcast.

●The AC power input of the whole machine is equipped with a B1 arrester protection system imported from Phoenix, Germany, to avoid lightning damage.

●The control power system adopts imported high-reliability and high-efficiency switching power supply with power factor correction. Wide operating voltage range and high reliability.

●The power amplifier power system can adopt parallel redundant centralized power supply, and a N+1 system is formed by multiple independent switching power modules in parallel, which are mutual backups. If one is damaged, the normal operation of the system can be guaranteed. Adopt brand high-quality high-power 5000W switching power supply, with large margin, high efficiency, low ripple, anti-interference, and good electromagnetic compatibility. Whether the output of the switching power supply is controlled by the control display unit. Each switching power supply module interface is hot-swappable, easy to replace and maintain; comes with fan cooling; has over-voltage, over-current and over-temperature protection; LED displays working status and alarm signals; the input power supply system adopts high-efficiency AC three-phase 380V power supply.

●The power amplifier unit adopts forced air cooling. The use of large air volume centrifugal fan has a life of up to 100,000 hours, large air volume, noise below 60dB, and good cooling effect, which can ensure the normal operation of the transmitter.

5000W-450WX12-H2

3. Technical Details
3.1 Equipment performance meets the following standards

GB/T 28435-2012 Technical requirements and measurement methods for terrestrial digital TV broadcast transmitters

GB 20600-2006 Digital TV terrestrial broadcasting transmission system frame structure, channel coding and modulation

GB/T 28436-2012 Technical requirements and measurement methods for terrestrial digital TV broadcast exciters

GB/T 12572-2008 General requirements and measurement methods for parameters of radio transmitting equipment

GB 9159-2008 Safety requirements for radio transmitting equipment

GB/T 2829-2002 Periodic Inspection Attribute Sampling Procedure and Table

GB/T 14433-1993 Technical Regulations for Color Television Broadcasting Coverage Network

SJ/T 11574-2016 General Specification for Digital TV Terrestrial Broadcast Transmitter

SJ/T 10351-1993 General technical requirements for television transmitters

3.2 Technical Specifications

1. RF frequency range 470~860MHz

2. Output power 0～rated power continuously adjustable

3. Allowable deviation of output power ＜±0.5dB

4. Output power stability ＜±3%

5. Output impedance 50Ω

6. Residual wave in adjacent channel ＜ -45dB (optional bandpass filter)

7. The residual wave outside the adjacent channel <-67dB (optional bandpass filter)

8. Switching mode of main and standby exciters:

automatic/manual (when the main exciter equipment is damaged or there is no output)

9. RF input connector N-50K

10. RF output connector 1-5/8”or 3-1/8”Flange (optional)

11. Exciter input interface:

a) ASI input interface BNC (female) 50Ω

b) IP input interface RJ-45

12. Radio frequency monitoring interface BNC (female) 50Ω

13. Remote monitoring interface RS232/RS485 DB9 (male) or RJ45 Ethernet interface

14. Lightning protection The cabinet has a built-in lightning arrester.

15. Power supply voltage 3-phase AC380V/3-phase AC220V 50Hz/60Hz (optional)

16. Cooling method forced convection

17. Overall efficiency ≥20%

18. Channel bandwidth 6/8MHz (optional)

19. Power input level 0dBm

20. In-band fluctuation ±0.5Db

21. Shoulder better than 36dB

22. MER better than 32dB

23. (Optional) Digital TV standard:

1. National Terrestrial Digital Television Standard (DTMB): GB20600-2006

2. China Mobile Multimedia Broadcasting and Television (CMMB): GY/T220.1-2006

3. European standard for terrestrial digital TV standard: (DVB-TC (H)): ETS1300744

3.3 Physical Specifications

1. Chassis standard 19 inches 43U

2. Chassis size 850mm (width) × 2000 (height) mm × 1200 (depth) mm

3. The weight of the whole machine 450kg

4. Operating environment temperature -10℃～+50℃

5. Relative humidity ≤95%

6. Altitude ≤5000m

7. Atmospheric pressure 86kPa~106kPa

If you need other power digital tv transmitters, click here

Slot Television Antenna Overview:

●Frequency VHF/UHF

●High-gain design 13dBd-18dBd.

●Horizontal polarization suitable for high building concentration area coverage.

●Compatible mobile digital TV application.

●Omni-directional radiation field, it can be directional radiation according to requirements.

●It adopts quality electro silvering copper to reduce the high-frequency loss.

●Adopting anti-aging high-strength glass fiber reinforced plastics cover for tight seal and sheltering from rain and snow.

●To conduct zero point padding and lobe downwardness to achieve the best coverage effect.

●It occupies little space; flexible installation is suitable for spanning over the top of the tower or the side of the tower.

Complete Pakcage Include:

1pc 5KW Digital TV Transmitter

1pc Slot TV Antenna

1pc 80meters 3-1/8″ coaxial cable with connectors

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WhatsApp: +8615989288128

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Delivery times can be calculated based on formula: Time to stock + 7days~15days ( The time shipping company needs deliver the products to address in your country)

Time to stock is the number of days we need to prepare your order for shipment or how long manufacturer or supplier needs to deliver the product to our warehouse.

Delivery tracking

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Please note

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If, for any reason, we cannot supply a product you have ordered, we will contact you via email or phone and place your product/s on back-order once you have agreed you would like to wait. If you choose to put your order on back-order, we will provide you with personalized weekly updates and will notify you once your order has shipped. If one or more of your items is in stock and you are waiting on other item/s, you can have your order part shipped. A sales representative will keep you updated on the remaining portion of your order, and can provide tracking information for both shipments.