LA1836 Overview
EN4787A Monolithic Linear IC LA1836, 1836M Single-Chip Home Stereo Electronic Tuning IC Overview AM: RF amplifier, mixer, oscillator (with ALC), IF amplifier, detector, AGC, oscillator buffer, tuning indicator (narrow-band SD), IF buffer output, IF output for AM stereo FM IF: IF amplifier, quadrature detector, band muting, tuning indicator, IF buffer output, S-meter MPX:.
LA1836 Key Features
- Reduced number of adjustments (adjustment-free MPX VCO: ceramic resonator adopted)
- Tuning indicator pin (Can be used as a narrow-band stop signal and as a muting output driver.)
- Variable FM stop sensitivity and band
- Variable AM stop sensitivity
- Built-in AM local oscillator buffer
- Variable AM low cut control