FM IF System
The HITACHI HA11225 is an FM IF Amplifier and Detector developed for HI FI Tuners. This IC is encapsulated in DIP-16 pin.
■ FUNCTIONS
● FM IF Amplifier
● Quadrature Detector
● Audio Amplifier
● Muting Circuit
● AFC, Tuning Meter Driver
● AGC Control Voltage Generator
● Muting Control Voltage Generator
● Signal Meter Driver