New 500W FM Stereo Transmitter

New High Reliability 500W light-weight FM Broadcast Transmitter    1. Overview• Full process digital processing to achieve a perfect auditory effect of CD-like sound quality• Full-scale digital processing with large-scale field-programmable gate array (FPGA) technology• Direct digital frequency synthesis (DDS) technology at speeds up to 5G to peak transmitter specifications• High reliability microprocessor (ARM) technology as the primary controller• Support for multiple audio source inputs (transmitters can be automatically selected by priority): AES/EBU digital audio signal input (highest priority) Analog stereo analog audio signal input (2nd priority) MPX stereo composite signal input (3rd priority)• Supports one RDS or SCA subcarrier input• Upgradeable to FM synchronous broadcast transmitter• Electronically controlled AGC controls output power zero drift• Perfect over-current, over-voltage, over-temperature, over-power, standing wave ratio alarm and protection• One-touch shuttle quick keyboard input• Real-time display of operating parameters using OLED• With TCP/IP, RS232 communication interface• 19-inch standard chassis, height 2U2. Technical specifications1. Nominal emission frequency                87MHz~108MHz (other frequencies can be customized), stepping 10kHz2. Carrier frequency tolerance                 ±200Hz3. Output power                               0~500W continuously adjustable4. Output power tolerance                     ±1dB5. Output impedance                          50Ω6. RF output connector                        7/16" or 7/8"7. Residual wave radiation                     < -70dB8. Parasitic amplitude modulation noise       < -50dB9. Pilot frequency deviation                    ±0.1Hz10. 38KHz residual component in the S signal