BUY SI4634 https://www.utsource.net/itm/p/5140564.html

Description: The SI4634 is a high-performance, low-power, single-chip FM receiver IC with integrated digital audio processing. Features: - Low-power operation - High sensitivity and selectivity - Integrated digital audio processing - Low-IF architecture - On-chip audio post-processing - Digital audio output - Digital RSSI output - Low-noise amplifier - Automatic gain control - Automatic frequency control - Automatic noise blanker - Automatic stereo/mono switching Applications: - Automotive audio systems - Portable audio systems - Home audio systems - Radio-controlled toys - Wireless audio systems (For reference only)