GENERAL DESCRIPTION
The TDA1574 is a monolithic integrated FM tuner circuit designed for use in the r.f./i.f. section of car radios and home-receivers. The circuit comprises a mixer, oscillator and a linear i.f. amplifier for signal processing, plus the following additional features.

FEATUREs
• Keyed automatic gain control (a.g.c.)
• Regulated reference voltage
• Buffered oscillator output
• Electronic standby switch
• Internal buffered mixer driving.