Introduce:ZHC618F-500W/1KW is a rack FM stereo broadcasting transmitter; it consists of one digital FM exciter, 1pcs of 500W/1KW power amplifiers, and one control and display unit. All these are installed in a 1.1-meter high 19-inch standard rack. It’s easy to maintain. It is widely used for professional radio stations to transmit high quality FM radio programs.
● 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 can 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
● 1.1-meter Height 19-inch standard rack
● Easy to maintain
● High performance and low price
1. Frequency Range: 87.0MHz～108.0MHz
2. Frequency Setting step: 10KHz
3. Carrier Frequency precision: ±200Hz
4. Residual Wave Radiation: ≥65dBc
5. Audio Input Impedance: 600Ω, Balance
6. Stereo Separation: 55dB
7. Audio Input Level: ±10dBm, step 0.01dB
8. S/N: ≥75dB (10H～15kHz, 100%)
9. Audio Harmonic Distortion: <0.1%
10. Audio response: ±0.05dB (10Hz～15KHz)
11. Output Load Impedance: 50Ω
12. Output Power: 0~1000W
13. Pre-emphasis: 0μS, 50μS, 75μS
14. Deviation: ±75kHz
15. Pilot Frequency: 19kHz±1Hz
16. Pilot Signal Modulation: 8%～10%
17. Sub-carrier Suppression: ≥65dB
18. RF Output Interface: 7/16'(female) or 7/8'Flange