Datasheet4U Logo Datasheet4U.com

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

Manufacturer: AKM (Asahi Kasei Microdevices)

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

General Description

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

Audio high-pass filter shows a high attenuation in magnitude response characteristics under 250Hz that supports to eliminate a subaudio tone clearly.

TX limiter for deviation control has a limiting level adjuster by applying a DC voltage via external ponents.

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.

AK2347A Distributor