🌐EnglishEnglishDeutschEspañolFrançaisPolskiTiếng Việtفارسی한국어中文EntityQ7180955· pop 7· linked from 21 articlesphase marginParameter of electronic amplifiersAvailable in 7 languages中文CatalanPolskiTiếng Việtفارسی한국어via Wikidata sitelinks · CC0ConnectionsfeedbackEntityphaseEntityCategoriesClassical control theoryElectrical parametersElectronic amplifiersElectronic feedbackSignal processingSystems theory