Package 20KW FM transmitter (hot-plugin) complete set include the 20KW FM transmitter, eight bay dipole antenna system, 50meters coaxial cable with connectors. It is a professional complete package kit for radio station broadcasting.

20KW FM Transmitter Overview:

This is an excellent 20KW FM stereo transmitter for professional radio stations. This 20KW FM transmitter is Hot-Plug design, high reliability and high Performance. It consists of center control unit (CCU), double exciters, 8pcs hot-plug 3KW FM amplifier modules, 8-way combiner, a perfect LPF and 8pcs hot-plug 5KVA switched power supply modules. This can be repaired without turn off entire transmitter.

FEATURES

● Fully Large Power: 8pcs 3KW hot-plug RF Amplifier modules combined high efficiently; Maximum Output Power is 22KW. It uses the new high-efficiency LDMOS Transistors, the full RF output power can reach 70%.

● Fully Power Supply: 8pcs 5KVA switched power supply modules are working in parallel. It can provide large redundant power capacity.

● High-performance Low Pass Filter which can minimize unwanted emission.

● Output Power Stable: Total output power is extremely stable by AGC (Automatic Gain Control). Ensure the output power would not change with the boot time and ambient temperature, power stability is less than 10W.

● Dual-Exciter: Two exciters (DSP+DDS) with automatically changeover switcher, increase entire transmitter stability.

● Analog and Digital (AES/EBU) audio signal input directly; Hearing similar to CD.

● 8-inch Color LCD with touch panel displays all the parameters in real time.

● Intelligent protection functions by centre control module, like Over Forward Power, Over SWR, Over Temperature, Over Voltage, Over Current. It can adjust output power intelligent, keep the maximum safe output power and keep fault not expanding.

● Best dustproof performance: All inlets are made of high-quality filters which can filter out dust in the air to keep stability of transmitter.

● Best lightning protection: high quality lightning protection SPD fromGermanyfor the whole power supply.

● Real Hot-Plug structure: the Amplifier modules and Power Supply modules can be repairing at non-stop condition in any case.

● Timing automatically adjusts the output power: After setting, the transmitter can automatically adjust the output power at different times of the day, convenient for economical radio broadcasting.

● Advanced Remote Telemetry Interface: RS232/RS485 or TCP/IP Internet Communication interface is ready for remote control system which can read all detail parameters from transmitter.

Technical Specifications:

1. Frequency Range 87.0MHz～108.0MHz

Setting Step 10KHz

2. Output Power 0~20000W

3. Output power deviation <± 10%
4. Output power stability <± 3%

5. Output Load Impedance 50Ω

6. RF Output Interface 3-1/8″ Flange

7. SFDR < -70dB
8. High Harmonic < -75dB
9. Residual Amplitude Modulation < -50dB

10. Carrier Frequency Precision ±200Hz

11. Analog Audio Input -12dBm～+8dBm

12. Audio Input Level Gain -15dB～+15dB, step 0.1dB

13. Audio Input Impedance 600Ω, Balance, XLR

14. AES / EBU input impedance 110Ω, Balance, XLR
15. AES / EBU input level 0.2 ~ 10Vpp
16. AES / EBU sample rate 30kHz ~ 96kHz

17. RDS Input Unbalance (optional) BNC connector

18. Pre-emphasis 0μS, 50μS, 75μS (optional)

19. Audio Response ±0.1dB (30Hz～15000Hz)

20. LR channel level difference <0.1dB (100% modulation)
21. Stereo Separation ≥50dB 30Hz ~ 15000Hz
22. Stereo S/N ratio ≥70dB 1KHz, 100% modulation

23. Distortion ＜0.1% 30Hz～15000Hz

24. Cooling mode Forced Convection

25. Temperature Range: -5℃～+45℃

26. Size 19-inch standard

850mm×1970mm×1200mm

27. Weight 580KG

Eight Bay Dipole Antenna Overview:

Complete package 8-bay dipole FM antenna and accessories for 20KW composed by: 8pcs stainless dipole FM antennas – Wide Band, 8-way power splitter, 8pcs dividing cables and connectors. The polarization is vertical. It made up of high quality stainless steel and high quality copper. Package 8-Bay dipole FM antenna system is suitable for high gain situation.

FEATURES
* All FM bandwith
* Vertical polarization
* High gain
* 304 stainless steel material
* DC grouding lightning protection

SPECIFICATIONS
1.Frequency Range: 88.0MHz～108.0MHz
2.Gain: 11dBd
3.Input Power: 5KW/10KW /20KW
4. Impedance: 50Ω
5.VSWR: <1.10(specified frequency)
<1.25 (all FM band)
6.RF Intput connector: 1-5/8 for 5KW
3-1/8 for 10KW / 20KW
7.Wind Load: 32kg.150km/h
8.Weight: 125KG

Complete Pakcage Include:

1pc 20KW FM Transmitter (Hot-plugin)

1pc Eight Bay Dipole Antenna system

1pc 80meters 1-5/8″ coaxial cable with connectors

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WhatsApp: +8615989288128

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