YD2149

www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD2149 AM/FM 1 CHIP TUNER IC—YD2149 FUNCTIONS YD2149 are AM/FM 1 chip tuner ICs, which are designed for portable Radios and 3V Head phone Radios. This is suitable for Digital Tuning System Applications. FM Local Oscillation Voltage is set up low relativity, for NEW FCC. ● For NEW FCC. ● Suitable for combination with Digital Tuning System which is included IF Counter. ● One terminal type AM/FM IF count output for IF counter of Digital Tuning system. FM: 1.3375MHz(1/8 dividing) AM: 450kHz ● ● ● ● Built-in Mute Circuit for IF count output. For adopting ceramic Discriminator,it is not necessary to adjust the FM Quad Detector Circuit. Built-in FM MPX VCO circuit. Built-in one terminal type AM/FM Local Oscillator Buffer Output for Digital Tuning System Applications. Built-in 1/16 Pre-scaler for FM Local OSC Buffer. ● Built-in AM Low cut circuit. ● Low supply voltage range(Vcc=3V,Ta=25℃) Iccq(FM)=13mA(Typ) Iccq(FM)=8.5mA(Typ) ● Operating Supply voltage range :Vcc=1.8～7V(Ta=25℃) 。 WuXi YouDa Electronics Co., Ltd Tel: Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China 86-510-85205117 86-510-85205106 Fax: 86-510-85205110 Website: www.e-youda.com SHENZHEN OFFICE Tel： 86-755-83740369 Fax： 86-755-83741418 Ver 5.0 1 of 7 2006-7-10 www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD2149 BLOCK DIAGRAM WuXi YouDa Electronics Co., Ltd 2 of 7 Website: www.e-youda.com www.DataSheet4U.com YOUDA INTEGRATED C...