Innovative radio broadcast transmitterfor radio stations,hot-plug amplifier module and double digital exciters,automatically change.Output power is stable with AGC fuction.
This 5KW rf transmitteris an excellent FM stereo transmitter for professional radio station.It is reliable and high performance.It consists of center controlmodule,double digital exciters,6 pcs hot-plug 1KW FM amplifer modules,6-waycombiner,a perfect BPF and 5 pcs hotplug 2500VA switched power sourcemodules.
Features:
1. Six units 1KW hotplug RF power modules.Total output power is extremely stable thanks to AGC(Automatic Gain Control).
2. Five units 2500VA hotplug switched power supply units are working inparallel.
3. 6-way High efficiency power combiner with patent technology.
4. Two All-digital 10W exciters(DSP+DDS) with automatical changeover switch.
5. Analog and digital(AES/EBU) audio signal input directly.
6. 8-inch Color LCD with touch panel displys all the parameters in real time.
7. Intelligent protect fucntions by centre control unit,like over Pf,over SWR,over Temp,Over V,Over I.
8. Real hot-plug structure,the modules can be repairing at non-stop condition.
9. RS232/RS485 Communication interface ready for remote system.
Technical Specifications:
1. Frequency Range: 87.0MHz~108 MHz
2. Frequency Setting step: 10KHz
3. Carrier Frequency precision: 200Hz
4. Residual Wave Radiation: 70dBc
5. Analog audio Input Impedance: 600Ω, Balance
AES/EBU digital audio input impedance: 110 Ohm, Balance
6. Separation: >50dB,30Hz~15KHz
7. Audio Input Level: -10dBm~+10dBm, step 0.01dB
8. S/N: >75dB (1kHz, 100%modulation)
9. Audio Harmonic Distortion: <0.1%
10. Audio response: 0.1dB(10Hz~15KHz)
11. Output Load Impedance: 50Ω
12. Output Power: 0W~5KW
13. Pre-emphasis: 0μS, 50μS, 75μS
14. Deviation: ±75kHz
15. Pilot Frequency: 19 kHz; 0.5Hz
16. RF Output Interface: 1+5/8'
17.Size: Width(72mm),Height(1950mm),Depth(1200mm)
18.Weight: 350KG
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