AN7273

AM Tuner, FM/AM IF Amplifier Circuit

■Overview TheAN7273andtheAN7273SaretheICsdesignedforHi-Fistereotuner.TheyarefunctionedwithstopsignalpinbesidestheAN7223Sfunction. ■Features •Levelmeteroutput(FM–AMcommonuse) •Stopsignaloutput(forsynthesizertuner) •AM:includingRFamplifiera

AN7273S

AM Tuner, FM/AM IF Amplifier Circuit

■Overview TheAN7273andtheAN7273SaretheICsdesignedforHi-Fistereotuner.TheyarefunctionedwithstopsignalpinbesidestheAN7223Sfunction. ■Features •Levelmeteroutput(FM–AMcommonuse) •Stopsignaloutput(forsynthesizertuner) •AM:includingRFamplifiera

AN728

Designing A Flyback Converter with Si9113 for Feeding the TE from U-Interface In ISDN

INTRODUCTION TheefficiencyoftheconverterpoweringtheNTisextremelyimportant,evenatpowerlevelsofafewmilliwatts.Toachieve60efficiencywithan80-mWoutput,theallowablepowerlossintheconverterislessthan54mW.Thecomponentsoftheselossesincludethedcandswitchingl

AN7280S

FM Front-end IC for Car Radio

■Overview TheAN7280SisanFMfront-endICdesignedforDTSexceptRFamp.ofcarradio.Itfeaturesbuilt-inlocaloscillationfrequencybufferoutput,PINdiodedriverforantennadampingandSSC(searchstopcontrol). ■Features •Highsensitivity,highS/Nratio •GoodIMcharacteristics

AN7289

FM-FEAM IC for car radio

■Overview TheAN7289NSCisanIChavingFM-FE+AMfunctionsforcarradio.AtunerblockofcarradiocanbeconstructedbycombinationofthisICandtheAN7293NSC/NFBQ. ■Features •Alessnumberofelectrolyticcapacitorsisrequired (3capacitorsreductioncomparedwithourconvention

AN7289

FM-FEAM IC for car radio

■Overview TheAN7289NFBQisanIChavingFM-FE+AMfunctionsforcarradio.AtunerblockofcarradiocanbeconstructedbyusingthisICandtheAN7293NSC/NFBQ. ■Features •Alessnumberofelectrolyticcapacitorsisrequired (3capacitorsreductioncomparedwithourconventionalIC) •

AN7289NFBQ

FM-FEAM IC for car radio

■Overview TheAN7289NFBQisanIChavingFM-FE+AMfunctionsforcarradio.AtunerblockofcarradiocanbeconstructedbyusingthisICandtheAN7293NSC/NFBQ. ■Features •Alessnumberofelectrolyticcapacitorsisrequired (3capacitorsreductioncomparedwithourconventionalIC) •

AN7289NSC

FM-FEAM IC for car radio

■Overview TheAN7289NSCisanIChavingFM-FE+AMfunctionsforcarradio.AtunerblockofcarradiocanbeconstructedbycombinationofthisICandtheAN7293NSC/NFBQ. ■Features •Alessnumberofelectrolyticcapacitorsisrequired (3capacitorsreductioncomparedwithourconvention

AN729

REPLACING TRADITIONAL OPTOCOUPLERS WITH Si87XX DIGITAL ISOLATORS

Introduction Opto-couplersareadecades-oldtechnologywidelyusedforsignalisolation,typicallyprovidingsafetyisolation,signallevelshifting,andgroundloopmitigation.Theyarecommonlyusedinawiderangeofendapplications,includingdatacommunicationcircuits,switchmodepowers

AN7291

FM-IF,DETECTION, NOISE CANCELLER, MPX DEMODULATION IC

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