Texas Instruments TLV320AIC23B high quality 16-bit codec chip is used for audio path analog-digital and digital-analog conversion, device is able to decode packets with input signal level as low as 25mV p-p and as high as 1V p-p without need for signal level regulation,
- analog input and output levels are regulated in software, analog potentiometers are no longer necessary,
- audio path is matched not only for standard AFSK 1200 APRS baudrate but also for GMSK 9600 APRS baudrate encoding/decoding
