■ Overview

The AN7259S is an FM–IF/DET IC for car radio/car stereo and has each function necessary for electronic tuner.

■ Features

• Quadrature detection system and fewer external parts

• Good linearity of control voltage output used for AGC and separation control, etc.

• IF counter output and search output in channel selection signal as electronic tuning and with IF counter out put ON/OFF circuit (SSC)

• Adjustment of search band width and search output center frequency

• Soft muting adjusting function