Overview
The LA1828 is a single-chip tuner IC for FM and AM with built-in MPX-VCO which requires no adjustment and no external parts.
Features
•Single-chip tuner with AM, FM-FE/FM-IF, MPX circuitry
•Built-in adjustment-free MPX-VCO (noceramic oscillator required)
•Reduced FM-FE oscillation level
•FM stereo indication and AM/FM tuning indication outputs can directly drive LEDs
Functions
•AM : RF amplifier, mixer, oscillator, IF amplifier, detector, AGC, tuning display output
•FM-FE : RF amplifier, mixer, oscillator
•FM-IF : IF amplifier, quadrature detector, signal strength meter, tuning display output
•MPX : PLL stereo decoder, stereo display output, forced mono, internal VCO
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