Introduction: The transmitter adopts a simple design concept, and the 2KW FM stereo transmitter exciter and power amplifier, output filter, switching power supply, etc. are installed in a 4U high 19-inch standard chassis, which reduces the parts between ordinary transmitters. Connection cable for high reliability and easy operation. Using the latest DSP + DDS full digital technology stereo frequency exciter, the machine's technical indicators are unparalleled, reaching close to CD sound quality auditory effects. Large size radiators and high speed, long life fans ensure reliable operation at low temperatures. High quality, high reliability, wide range switching power supply. The machine has high reliability, high performance, easy operation and low price. Features: 1. Simple design, integrated structure, high reliability and easy operation 2. Full process digital processing (DSP+DDS) to achieve a perfect auditory effect close to CD quality 3. Analog audio and digital audio (AES/EBU) can be input simultaneously, digital audio is preferred 4. With TCP / IP, CAN and RS232 communication interface and SMS cat interface 5. Perfect over-current, over-voltage, over-temperature, over-power, standing wave ratio alarm and protection function 6. Large-screen LCD displays operating parameters in real time 7. High quality stainless steel, 4U, 19 inch standard chassis Technical Parameters: 1. RF frequency range 87MHz~108MHz Step 10kHz (other frequencies can be customized) 2. Output power 0~2000W continuously adjustable 3. Output power tolerance deviation <±10% 4. Output power stability <±3% 5. Output impedance 50Ω 6. RF output connector L27-50K or 7/16’ 7. Internal residual wave <-70dB 8. Higher harmonics <-65dB 9. Parasitic amplitude modulation <-50dB 10. Carrier frequency tolerance ±200Hz 11. Analog audio input -12dBm ~ +8dBm 12. Audio Level Gain -15dB~+15dB Step 0.1dB 13. Analog audio input impedance 600Ω balance 14. AES/EBU input impedance 110Ω balance 15. AES/EBU input level 0.2~10Vpp 16. AES/EBU sampling rate 30kHz~96kHz 17. SCA Input Unbalance (optional) BNC type connector 18. Audio pre-emphasis 0μs, 50μs, 75μs optional 19. Frequency response ±0.1dB 30Hz~15000Hz 20. Left and right channel level difference <0.1dB (100% modulation) 21. Stereo resolution ≥50dB 30Hz~15000Hz 22. Stereo signal to noise ratio ≥70dB 1KHz, 100% modulation 23. Distortion <0.1% 30Hz~15000Hz 24. Heat dissipation method Forced convection 25. Temperature range -10°C~+45°C 26. Relative humidity <95% 27. Altitude <4500m 28. Power consumption 3300VA 29. Dimensions 650mm × 483mm × 177mm 30. Weight 45KG
Introduction: The transmitter adopts a simple design concept, and the 2KW FM stereo transmitter exciter and power amplifier, output filter, switching power supply, etc. are installed in a 4U high 19-inch standard chassis, which reduces the parts between ordinary transmitters. Connection cable for high reliability and easy operation. Using the latest DSP + DDS full digital technology stereo frequency exciter, the machine's technical indicators are unparalleled, reaching close to CD sound quality auditory effects. Large size radiators and high speed, long life fans ensure reliable operation at low temperatures. High quality, high reliability, wide range switching power supply. The machine has high reliability, high performance, easy operation and low price.