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Pentode
Electronic device having five active electrodes; the term most commonly applies to a three-grid amplifying vacuum tube
Texto em inglês
A pentode is an electronic device having five electrodes. The term most commonly applies to a three-grid amplifying vacuum tube or thermionic valve that was invented by Gilles Holst and Bernhard D.H. Tellegen in 1926.
Texto: Wikipédia em inglês, CC BY-SA 4.0. · Imagem: erstellt von de:User:RokerHRO, geaendert von de:User:Fgli (Public domain) ·