🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPolskiPortuguêsSvenskaРусскийहिन्दी한국어中文日本語EntityQ587500· pop 20· linked from 39 articlesHartley oscillatorelectronic oscillatorConnectionsLC circuitEntityinductanceEntityCategories1915 introductionsElectronic oscillators