FM/AM Tuner System for Radio-Casette Recorders, Music Centers

FEATUREs
• Minimum number of external parts required (No AM detection coil required).
• High S/N : FM 81dB
                AM 53dB
• Low-level AM oscillator with ALC : Pin 16 OSC output W 130mV  
    SW 70 mV to 90 mV
    (7MHz)       (24MHz)
• Less AM whistle interference : Whistle 1% at input 100dB/m.
• On-chip LED tuning indicator driver.
• On-chip FM/AM selector.
• Independent FM/AM output pins : Possible to set FM/AM frequency characteristic independently.

Functions
FM : IF amplifier, quadrature detector, AF preamplifier, tuning indicator drive output.
AM : RF amplifier, MIX, OSC (with ALC), IF amplifier, Detector, AGC, tuning indicator drive.