Transcription of LC Filter Design (Rev. A) - Texas Instruments
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1 SLAA701A October2016 RevisedNovember2016 SubmitDocumentationFeedbackCopyright 2016,TexasInstrumentsIncorporatedLC FilterDesignAll trademarksare the propertyof October2016 RevisedNovember2016LC FilterDesignABSTRACTIn higher-powerclass-Damplifiers,generallya bove10 W of outputpower,a filteron the outputof theamplifieris filteris passivein natureand usesbothan inductorand a capacitoron ,it is referredto as an LC the LC filteriscriticalto meetthe desiredaudioperformance,efficiency,EMC/E MIrequirements,and costfor the a guideto aid in the sectionof LC filtercomponentsforclass-Damplifiersto meettarget-designgoalsof the end (BTL).. (PBTL).. (SE).. (Traditional) OutputLC AD ModulationWithType-1or Resistance(DCR).
3.4 Type-1 Filter Analysis ... 11 Type-1 LC Filter Response With CBTL = 0.68 µF and LBTL = 10 µH..... 12 12 Type-2 Filter for BD or AD Modulation..... 12 13 Type-2 Filter Equivalent Circuit ...
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