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AK2347A - Two-way Radio Audio & Sub-Audio Processor

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General Description

AK2347A includes audio filter, limiter, splatter filter, compandor, scrambler, which is highly integrated two-way radio baseband functions for FRS and LMR.

Overview

[AK2347 A] AK2347A Two-way Radio Audio & Sub-Audio Processor.

Key Features

  • Audio processing.
  • TX and RX amplifier.
  • Pre/De-emphasis circuit.
  • Compressor and Expander with no external components.
  • Scrambler and De-scrambler in frequency inversion type (3.388kHz or 3.290kHz).
  • Limiter with level adjuster.
  • Splatter filter for wide and narrow band.
  • Digital controlled amplifier for microphone, modulator and demodulator sensitivity.
  • Sub-Audio filter with level adjuster for CTCSS and DCS.
  • Lo.

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