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FM1246 - Desktop video & FM radio module system CCIR I

General Description

The FM1246 front-end is designed to receive both TV and FM stereo signals in the PC Multimedia environment.

The units are available with separate 75 Ω inputs for TV and FM broadcast reception.

The input connectors available are either standard phono or IEC type (female for TV, male for FM radio).

Key Features

  • System I and FM radio broadcast.
  • True 5 V device (low power dissipation).
  • Full TV frequency range from channel A (45.75 MHz) to channel 69 (855.25 MHz).
  • FM radio band coverage from 87.50 to 108.00 MHz.
  • PLL controlled tuning.
  • Programmable PLL step size (31.25, 50 or 62.5 kHz).
  • True-synchronous vision IF demodulator (PLL).
  • Ultra-linear FM PLL demodulator for FM radio broadcast.
  • Demodulated video output, AF sound outp.

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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.

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TUNERS DATA SHEET FM1246 Desktop video & FM radio module system CCIR I Preliminary specification File under Tuners, DC03 1997 May 14 Philips Components Preliminary specification Desktop video & FM radio module system CCIR I FEATURES • System I and FM radio broadcast • True 5 V device (low power dissipation) • Full TV frequency range from channel A (45.75 MHz) to channel 69 (855.25 MHz) • FM radio band coverage from 87.50 to 108.00 MHz • PLL controlled tuning • Programmable PLL step size (31.25, 50 or 62.