AK2346A Overview
Description
AK2346A includes audio filter, limiter, splatter filter, Compandor, scrambler, MSK Modem, 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 less than 250Hz that supports to eliminate a sub-audio tone clearly.
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 with 16 different carrier clocks
- Limiter with level adjuster
- Splatter filter for wide and narrow band
- Digital controlled amplifier for microphone, modulator and demodulator sensitivity
- 1200/2400bit/s MSK Modem with frame detection
- Wide range operation voltage: 2.6V to 5.5V, temperature: -40 to 85 °C
