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TEA6101T - Antenna diversity circuit

General Description

Intended for multi-antenna FM car radio reception (antenna diversity system), the TEA6101/T selects the most favourable signal from one of up to four antennae.

Founded upon audible signal disturbance the criteria are derived from two signals: high frequency components (e.g.

Key Features

  • Ability to switch between up to four antennae.
  • Switching signal derived from two signals: the audio and the level signals.
  • Floating switching threshold adjusts switching rate to prevailing circumstances:.
  • increasing threshold due to excessive noise.
  • increasing threshold due to numerous level variations.
  • Memory for the most favourable antenna signal to overcome unnecessary switching.
  • Signal-dependent `soft` muting circuit.
  • M.

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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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INTEGRATED CIRCUITS DATA SHEET TEA6101/T Antenna diversity circuit Objective specification File under Integrated circuits, IC01 May 1992 Philips Semiconductors Objective specification Antenna diversity circuit FEATURES • Ability to switch between up to four antennae • Switching signal derived from two signals: the audio and the level signals • Floating switching threshold adjusts switching rate to prevailing circumstances: – increasing threshold due to excessive noise – increasing threshold due to numerous level variations • Memory for the most favourable antenna signal to overcome unnecessary switching • Signal-dependent `soft` muting circuit • Mode selection to the first antenna receiving an AM signal whilst the diversity system is reset.