FM Radio Transmitters


FM Radio Transmitters

Technical Specifications:

•     Nominal output power :10000 watts can be increased upto 10% (20000watts)
•     Output connector(female) : 7.16 inch
•     Deviation of nominal frequency : +/- 75 KHz
•     The power efficiency : 60%(DC to RF)
•     Pre-emphasis 50 and 75 micro seconds(switchable)
•     Protection systems for current, voltage, temperature and back
•     Isolation between two Stereo bands: greater than 40 dB
•     Harmonic attenuation to the main carrier, higher than 65dB
•     THD at nominal frequency deviation better than 55 dB
•     Remote control transmitter through the serial port
•     Attenuation 19 kHz after noise filtering, higher than 45 dB
•     Adjustable frequency step 10 kHz or 100 kHz (PLL circuit)
•     Frequency band from 87.5 to 108 MHZ(no need to set if frequency changes)
•     Weighted signal to noise greater than 65 dB(Mono)at 75 kHz frequency deviation
•     Unweighted signal to noise greater than 70 dB(Mono-at 75 kHz frequency deviation)

Special Features:

•     Protection VSWR(as Recycle)
•     Central monitoring and control of the transmitter (MCU)
•     Switching power supply with high efficiency and active PFC
•     IP-Based remote control system( Optional )
•     Automatic power control of RF power modules (APC)
•     Stereo modulator and also possible to get MPX input
•     Basic parameters monitoring system and registry errors
•     System for recording the current status of transmitter (Rack Memory)
•     Ability to broadcasting digital data with RDS protocol (Optional)
•     Voice input range from -10mdB to +10mdB(adjustable)
•     Dual excitation system with manual switch and automatic in emergency
•     All-transistor power amplifiers(MOSFET technology is used)
•     The transmitter can continue working without interruption in case of outages and damage 
       to a power module