The KA22429 is a monolithic integrated circuit designed for Portable FM radio.It is consistng of RF input stage, Mixer, IF, Mute control and Loop (earphone drive) AMP.
It is suitable a pocket - size radio.
FEATURES
- Minimum number of external parts required
- It is able to a single trimmer tuning
- No FM det coil
- It is FLL detect system (76KHz)
- Operating voltage: Vcc= 1.8V~6.0