LA1816 Datasheet, PDF (6/11 Pages) Sanyo Semicon Device – Single-Chip AM/FM, MPX Tuner System for Headphone Stereos, Radio-Cassette Recorders

LA1816, 1816M
4. How to use the FM AFC
The S curve at output pin 16 is as shown Figure 6. Figure 7 shows how to provide FM AFC.
Figure 6
Figure 7
5. AM-FM selection
The FM mode is entered with pin 11 open as shown in Figure 8 . When pin 11 and pin 8 are made to be at the same
potential in terms of DC, the AM mode is entered. It should be noted that the dynamic range is narrowed whether the
potential at pin 11 is lower or higher than that at pin 8.
Figure 8
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