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SAA6579 - Radio Data System RDS demodulator

General Description

The integrated CMOS circuit SAA6579 is an RDS demodulator.

It recovers the additional inaudible RDS information which is transmitted by FM radio broadcasting.

Key Features

  • Anti-aliasing filter (2nd order).
  • Integrated 57 kHz band-pass filter (8th order).
  • Reconstruction filter (2nd order).
  • Clocked comparator with automatic offset compensation.
  • 57 kHz carrier regeneration.
  • Synchronous demodulator for 57 kHz modulated RDS signals.
  • Selectable 4.332/8.664 MHz crystal oscillator with variable dividers.
  • Clock regeneration with lock on biphase data rate.
  • Biphase symbol decoder with integrate.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
INTEGRATED CIRCUITS DATA SHEET SAA6579 Radio Data System (RDS) demodulator Product specification Supersedes data of January 1994 File under Integrated Circuits, IC01 1997 Feb 24 Philips Semiconductors Product specification Radio Data System (RDS) demodulator FEATURES • Anti-aliasing filter (2nd order) • Integrated 57 kHz band-pass filter (8th order) • Reconstruction filter (2nd order) • Clocked comparator with automatic offset compensation • 57 kHz carrier regeneration • Synchronous demodulator for 57 kHz modulated RDS signals • Selectable 4.332/8.664 MHz crystal oscillator with variable dividers • Clock regeneration with lock on biphase data rate • Biphase symbol decoder with integrate and dump functions • Differential decoder • Signal quality detector • Subcarrier output.