PLL FM Demodulator for portable and Car Radio

HITACHI HA11227 and HA12018 have been developed as the Phase Locked Loop system FM demodulators for car radio. HA11227 is encapsulated in a DIP-16pin, and HA12018 in SIP-16pin (Vertical Plastic Package). These ICs employ the same chips and thier functions and features are as follows.