MAKE A MEME View Large Image Audion.svg en The Audion Circuit as described by Edwin H Armstrong in Proceedings of the IRE in 1915 Own Thbusch 2009-09-15 cc-zero Radio circuits Vacuum tube circuits
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Keywords: Audion.svg en The Audion Circuit as described by Edwin H Armstrong in Proceedings of the IRE in 1915 Own Thbusch 2009-09-15 cc-zero Radio circuits Vacuum tube circuits
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