标签: lc-filter

LC-Filter[1]ApplicationNoteAN028LCfilterwithimprovedhigh-frequencyattenuationByK.H.TorvmarkKeywordsLCfilterHarmonicsT-typefilterIntroductionThisapplicationnotedescribesanimprovedT-typeLCfilterthatcanbeusedtofurtherattenuateharmonicsifastandardPi-typefilter(suchastheoneusedinmanyofChipcon’sdevelopmentkits)isnotsufficient.ThisT-typefilterprovidesmuchbetterstop-bandattenuationthanaPi-typefilterduetoimprovedinsulationbetweeninputandoutput.Measuredresultsforafilterforoperationinthe915MHzbandarealsopresented.SWRA064Page1of8ApplicationNoteAN028HarmonicsWhendesigninganRFpoweramplifier,thereisalwaysatrade-offbetweenlinearityandefficiency.Sincepoweramplifiersusedinlow-powerradiosy……

LC-FilterApplicationNoteAN028LCfilterwithimprovedhigh-frequencyattenuationByK.H.TorvmarkKeywordsLCfilterHarmonicsT-typefilterIntroductionThisapplicationnotedescribesanimprovedT-typeLCfilterthatcanbeusedtofurtherattenuateharmonicsifastandardPi-typefilter(suchastheoneusedinmanyofChipcon’sdevelopmentkits)isnotsufficient.ThisT-typefilterprovidesmuchbetterstop-bandattenuationthanaPi-typefilterduetoimprovedinsulationbetweeninputandoutput.Measuredresultsforafilterforoperationinthe915MHzbandarealsopresented.SWRA064Page1of8ApplicationNoteAN028HarmonicsWhendesigninganRFpoweramplifier,thereisalwaysatrade-offbetweenlinearityandefficiency.Sincepoweramplifiersusedinlow-powerradiosy……