10kw FM Broadcast Transmitter (ZHC618F-10KW)

Innovative FM broadcast transmitter for radio stations, hot-plug amplifier module and double digital exciter, automatically change

Features:

1.12 units 1KW hotplug RF power modules. Total output power is extremely stable thanks to AGC(Automatic Gain Control).

2.10 units 2500VA hotplug switched power supply units are working in parallel.

3.12-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: >55dB, 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: 0.05dB(10Hz~15KHz)
11. Output Load Impedance: 50Ω
12. Output Power: 0W~10KW
13. Pre-emphasis: 0μ S, 50μ S, 75μ S
14. Deviation: ± 75KHz
15. Pilot Frequency: 19 KHz; 1Hz
16. RF Output Interface: 1+5/8'