ICs for FM/AM Tuner AN7259S FM-IF Amplifier Circuit for Car Radio s Overview The AN7259S is an FM–IF/DET IC for car radio/car stereo and has each function necessary for electronictuner.
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4 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 1.
5±0.
2 Unit : mm and separation control, etc.
IF counter output and search output in channel selection signal as electronic tuning and with IF counter output ON/OFF circuit (SSC) • Adjustment of search band width and search output center frequency • Soft muting adjusting function • 0.
1±0.
1 1.
27 s Features • Quadrature detection system and fewer external parts • Good linearity of control voltage output used for AGC 0.
4±0.
25 0.
3 5.
4±0.
3 7.
7±0.
3 2...

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