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HY618E Series FM digital radio transmitter FM radio transmitter of HY618E series is a product of high performance and price ratio designed by HLLY Digital Equipment Company by combining years of research and advanced science and technology. The audio part adopts soft switch stereo coding circuit, imported high quality modulation module, carrier frequency direct modulation, and digital frequency synthesis phase lock frequency stability technology. The RF power amplifier adopts high-efficient switch. FM radio transmitter of HY618E series is designed reasonably with advanced technology and totally meets the national relevant standards.

Technical Indicators:
1. Frequency Range 87.0MHz to 108 MHz
2. Frequency Setting Step 0.1 MHz
3. Carrier Frequency Deviation +/- 200Hz
4. Residual Wave Radiation more than 70dBc
5. Frequency Stability less than 5*10-6/24 hour

6. Audio Input Impedance 600 OHM
7. Resolution of Left and Right Signals more than 45dB, 90%
8. Audio Input Level 6dBm, step 0.01dB
9. Audio signal-to-noise more than 65dB(1kHz, 100%)
10. Pre-emphasis 0uS, 50uS, 75uS

11. Pilot Frequency 19 kHz +/- 1Hz
12. Output Load Impedance 50 OHM
13. Output Power: 1KW
14. Audio Harmonic Distortion: Less than 0.2%

15. Maximum Modulating Frequency Deviation: +/- 75kHz
16. Pilot Frequency Signal Modulation: 8% to 10%
17. Sub-carrier Suppression: More than 45dB

18. RF Output Interface
N-50K(less than 100W)
L27-50K(less than500W)
7/8"-50K(less than3KW)
1+5/8"-50K(less than5KW)
3+1/8"-50K(less than10KW)

This is a professional FM Transmitter which is used for Radio station,  Welcome our customer come to china and visit the factory of  HLLY ELECTRONICS , for this item we only accept payment via bank wire transfer, our company bank information is: