2-Way Radio Audio & Sub-Audio Processor

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Two-way Radio ICs
AK2347B includes audio filter, limiter, splatter filter, compandor, scrambler, which is highly integrated two-way radio baseband functions for FRS and LMR.

Key Features

(1)Audio processing

(2)Compressor and Expander with no external components, scrambler and De-scrambler in frequency inversion type (3.388kHz or 3.290kHz)

(3)Sub-Audio filter with level adjuster for CTCSS and DCS

(4)Oscillator circuit for 3.6864MHz and 3.579545MHz crystal

(5)Low power supply operation: 2.7 to 3,3V

(6)Wide range operating for temperature: -40 to 85 C

(7)Low power consumption by CMOS

(8)Compact plastic packaging, 24-pin SSOP

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Block Diagram

Block Diagram

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