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ZHC618F-300W is a profesional FM stereo/Mono broadcasting transmitter.The advanced digital technologies,Digital Signal Processor(DSP) and Digital Direct Synthesizer(DDS), are used in the transmitters to get little size , high performance and high reliability.They are widely used for professional radio stations to transmit high quality FM radio programs.
FEATURES
Hearing similar to CD
All-digital technologies DSP+DDS
Built-in audio signal limiter
Analog and digital(AES/EBU) audio signal input directly.
AGC circuit to keep the Output Power stability.
Big LCD display all the parameters in real time.
Communication Interface by RS232 for remote
Five kinds of protections for the security
Stainless steel cabinet
SPECIFICATIONS
1.Frequency Range: 87.0MHz～108.0MHz
2.Frequency Setting step: 10KHz
3.Carrier Frequency precision: ±200Hz
4.Output Power: 0~300W
5.Output Load Impedance: 50Ω
2.Frequency Setting step: 10KHz
3.Carrier Frequency precision: ±200Hz
4.Output Power: 0~300W
5.Output Load Impedance: 50Ω
6.RF Output Interface: N(female).
7.Residual Wave Radiation: ≥65dBc
8. Audio Input Impedance: 600Ω,Balance,XLR
9.Stereo Separation: 55dB
8. Audio Input Impedance: 600Ω,Balance,XLR
9.Stereo Separation: 55dB
10. Audio Input Level: -12dBm～+8dBm
11. Audio gain: -15dB～+15dB，step 0.01dB
12.S/N: ≥75dB(30H～15kHz,100%modulation)
13.Audio Harmonic Distortion: <0.1%
14.Audio response: ±0.1dB(30Hz～15KHz)
15.Pre-emphasis: 0μS，50μS，75μS
12.S/N: ≥75dB(30H～15kHz,100%modulation)
13.Audio Harmonic Distortion: <0.1%
14.Audio response: ±0.1dB(30Hz～15KHz)
15.Pre-emphasis: 0μS，50μS，75μS
16.Deviation: ±75kHz(100%modulation)
17.Pilot Frequency: 19 kHz±1Hz
18. Pilot Signal Modulation: 8%～10%
19.Sub-carrier Suppression: ≥65dB
19.Sub-carrier Suppression: ≥65dB
20.Power supply 110VAC~265VAC,50Hz~60Hz
21.Operating Temperature -5°C to +50°C
22.Operating altitude 5000m above sea
23.Humidity 90%
24Size: 2U,19-inch standard
25.Weight: 15KG
300W FM Transmitter digital:
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