🌐EnglishEnglishDeutschEspañolFrançaisPolskiРусский中文日本語EntityQ1227275· pop 11· linked from 4 articlesGrid dip oscillatorelectronic instrument that measures the resonant frequency of nearby unconnected radio frequency tuned circuitsWikidata factsImageDipmeter and its probe coils.jpgShow 1 more factP2575resonance frequencyvia Wikidata · CC0ConnectionsInternational Standard Book NumberEntitytransistorEntityCategoriesAmateur radioElectrical test equipmentElectronic oscillatorsRadio electronicsVacuum tubes