LA1837, Single-chip AM/FM IF and MPX IC

LA1837

The LA1837 is a single-chip AM/FM IF and MPX IC that

supports electronic tuning and was developed for use in

home stereo systems. It is optimal for use in automatic

station selection systems that use the SD and IF counting

techniques.

Functions AM: RF , amplifier, mixer, oscillator, IF amplifier,

detector AGC, oscillator buffer, S-meter, narrow-band SD, IF buffer

FM IF: IF amplifier, quadrature detector, S-meter, S-curve detector, IF buffer output

MPX: PLL stereo decoder, stereo display, forced mono,

VCO stop, post amplifier, audio muting, adjacent

channel interference rejection function

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LA1837, Single-chip AM/FM IF and MPX IC