LA1837 PDF datasheet can download.
This product has Single-Chip Home Stereo IC with Electronic Tuning Support functions.
This is one of the semiconductor types. This part name is LA1837.
Manufacturers of the product is Sanyo Semicon Device.
Image and pinout :
Some of the text files within the PDF file
Ordering number : EN5688 Monolithic Linear IC LA1837 Single-Chip Home Stereo IC with Electronic Tuning Support Overview 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. Package Dimensions unit: mm 3061-DIP30S [LA1837] Functions AM: RF amplifier, mixer, oscillator, IF amplifier, detector AGC, oscillator buffer, S-meter, narrowband SD, IF buffer FM IF: IF amplifier, quadrature detector, S-meter, Scurve detector, IF buffer output MPX: PLL stereo decoder, stereo display, forced mono, VCO stop, post amplifier, audio muting, adjacent channel interference rejection function Features • On-chip MPX VCO (no external components required) • Adjacent channel interference rejection function (third and fifth order) • Supports both the SD and the IF counting techniques. • The AM and FM SD sensitivities ca [ … ]
Please refer to the file for details.