TUNER IC. YD2149 Datasheet

YD2149 Datasheet PDF, Equivalent


Part Number

YD2149

Description

AM/FM 1 CHIP TUNER IC

Manufacture

Wuxi Youda electronics

Total Page 7 Pages
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YD2149 Datasheet
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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=1.87V(Ta=25)
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 86-510-85205117 86-510-85205106
Fax: 86-510-85205110
Website: www.e-youda.com
SHENZHEN OFFICE Tel86-755-83740369
Fax86-755-83741418
Ver 5.0
1 of 7
2006-7-10

YD2149 Datasheet
www.DataSheet4U.com
YOUDA INTEGRATED CIRCUIT
BLOCK DIAGRAM
YD2149
WuXi YouDa Electronics Co., Ltd
2 of 7
Website: www.e-youda.com


Features Datasheet pdf www.DataSheet4U.com YOUDA INTEGRATED CI RCUIT YD2149 AM/FM 1 CHIP TUNER IC— YD2149 FUNCTIONS YD2149 are AM/FM 1 chi p tuner ICs, which are designed for por table Radios and 3V Head phone Radios. This is suitable for Digital Tuning Sys tem Applications. FM Local Oscillation Voltage is set up low relativity, for N EW FCC. ● For NEW FCC. ● Suitable f or combination with Digital Tuning Syst em which is included IF Counter. ● On e terminal type AM/FM IF count output f or IF counter of Digital Tuning system. FM: 1.3375MHz(1/8 dividing) AM: 450kHz ● ● ● ● Built-in Mute Circuit for IF count output. For adopting ceram ic Discriminator,it is not necessary to adjust the FM Quad Detector Circuit. B uilt-in FM MPX VCO circuit. Built-in on e 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 vol tage range(Vcc=3V,Ta=25℃) Iccq(FM)=13mA(Typ) Iccq(FM)=8.5mA(Typ) ● Operating Supply.
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