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AK2346B - Two-way Radio Audio Processor

General Description

AK2346B includes audio filter, limiter, splatter filter, COMPANDOR, scrambler, MSK MODEM, which is highly integrated two-way radio baseband functions for FRS and LMR.

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.
  • Limiter with level adjuster.
  • Splatter filter for wide and narrow band.
  • Digital controlled amplifier for microphone, modulator and demodulator sensitivity.
  • 1200/2400bps MSK MODEM with frame detection.
  • Wide range operation voltage: 1.9V t.

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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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ASAHI KASEI [AK2346B] AK2346B Two-way Radio Audio Processor 1. 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 • Limiter with level adjuster • Splatter filter for wide and narrow band • Digital controlled amplifier for microphone, modulator and demodulator sensitivity • 1200/2400bps MSK MODEM with frame detection • Wide range operation voltage: 1.9V to 5.5V, temperature: -30 to 75 °C • Oscillator circuit for 3.6864MHz crystal • Serial control interface operation • Compact plastic packaging, 24-pin SSOP 2.