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AM/FM modulator with embedded RDS and MPX coders
"On chip" solution that allows you to create a comprehensive system of FM modulation with RF output. Embedded in the module are already present MPX and RDS coders and the advanced digital filters. Thanks to the internal DVB demultiplexer and MPEG2 decoder the module can be interfaced with a DVB ASI receiver cutting dramatically the signal transport costs. The ASI output also allows to scale the system.
Technical Specs
  • AES/EBU in
  • SP_DIF in
  • I2S in
  • MPX in
  • SCA in
  • RF out
MPX Coder:
  • "Full broadcast" 24 bit audio processing
  • Embedded digital base band low-pass filter
RDS Coder:
  • Program name (max 8 characters)
  • Text Message (max 64 characters)
  • Traffic program enable/disable
  • Traffic Alert
  • Alternative frequencies (max. 25)
  • Music or speech mode declaration
  • Program Id
FM modulator:
  • RF output from 88 to 108MHz
  • RF output level up to 0dBm
  • Audio input preenphasis filter 50uS, 75uS or none
User interface:
  • Non-volatile memory for system configuration
  • Easy configuration via an asynchronous serial port with high-level commands
  • No need for additional programming on power-up
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