Introduce:ZHC618F-30W/100W FM Synchronous Transmitter is a new generation of digital synchronous exciter. It is sent directly to synchronous satellite receiver digital audio signal filtering, pre-emphasis, delay, pilot generator, such as a full stereo coding digital processing, and then using direct digital synthesis technology to modulate signal output, GPS numerals frequency converter synchronization for the entire network.
● 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 TCP/IP; CAN; RS232 for remote
● Five kinds of protections for the security
● Stainless steel cabinet
1. Frequency Range: 87.0MHz～108.0MHz
2. Frequency Setting step: 10KHz
3. Carrier Frequency precision: ±200Hz
4. Output Power: 0~30W/100W
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
10. Audio Input Level: -12dBm~+8dBm
11. Audio Gain: ±15dBm, step 0.01dB
12. S/N: ≥75dB(30Hz～15KHz,100% Modulation)
13. Audio Harmonic Distortion: <0.1%
14. Audio response: ±0.05dB (30Hz～15KHz)
15. Pre-emphasis: 0μS, 50μS, 75μS
16. Deviation: ±75kHz (100% Modulation)
17. Pilot Frequency: 19kHz±1Hz
18. Pilot Signal Modulation: 8%～10%
19. Sub-carrier Suppression: ≥65dB
20. Power Supply: 110VAC~240VAC, 50Hz~60Hz
23. Humidity: 90%
24. Size: 2U, 19-inch standard