🌐EnglishEnglishBahasa IndonesiaEspañolFrançaisItalianoPolskiPortuguêsРусскийالعربيةفارسیहिन्दी中文日本語EntityQ557211· pop 18· linked from 40 articlesactive filtera type of analog circuit implementing an electronic filter using active components, typically an amplifierAvailable in 17 languagesEspañolFrançais日本語РусскийPortuguêsItalianoالعربيةहिन्दीBahasa IndonesiaBasqueCatalanConnectionselectronic filter topologyEntityhigh-pass filterEntityCategoriesAnalog circuitsLinear filters