Click to expand full text
AM/FM TUNER + MPX
S1A0900X01
INTRODUCTION
The S1A0900X01 is a monolithic integrated circuit which consists of a 3V one-chip tuner and FM multiplex for AM/FM radios and head-phone radios. 24−SDIP−300
FUNCTIONS
• • • FM Stage: RF/IF/AF amp, Quadrature Detector, MIX, OSC, Tuning Indicator. AM Stage: RF/IF/AF amp, Detector, MIX, OSC, AGC, Tuning Indicator. MPX Stage: PLL amp, Decoder, Flip Flop, VCO Stop, Phase Detector, Stereo Indicator. 24−SOP−375
FEATURES
• • • • • • • 3 V one-chip tuner with built-in FM Multiplex No AM detect coil, IF coupling capacitor, FM IF by-pass capacitor needed Built-in tuning indicator function Built-in AM/FM selection switch Minimum number of external parts required Wide operating voltage range: VCC = 1.8V − 7V Low distortion (FM IF: 0.4%, AM IF: 1%, 0.
S1A0900X01 Datasheet
