
SANYO -> Panasonic
Overview
The LA1835 is an AM, FM IF and MPX single-chip tuner IC that supports electronic tuning. It was developed specifically for use in home stereo products and is optimal for products with auto-seek systems, since it combines SD and IF counting in its auto-seek implementation.
Furthermore, since the FM detector and MPX VCO circuits are adjustment free, adoption of the LA1835 can reduce the number of adjustment steps in the production line.
FEATUREs
• Significant reduction in the number of manufacturing adjustment steps
FM detector: Adjustment free (using a ceramic discriminator)
MPX VCO: Adjustment free (using a ceramic resonator)
• Tuning indicator output provided. (This pin can also be used as a narrow band stop signal and as a muting drive output.)
• Adjustable FM stop sensitivity and bandwidth
• Built-in AM local oscillator buffer
• Support for AM low band cut control
• Adjustable AM stop sensitivity