Matches in DBpedia 2016-04 for { ?s ?p "Ultra-linear electronic circuits are those used to couple a tetrode or pentode vacuum tube (also called \"electron valve\") to a load (e.g. to a loudspeaker).'Ultra-linear' is a special case of 'distributed-loading'; a circuit technique patented by Alan Blumlein in 1937 (Patent No. 496,883), although the name 'distributed-loading' is probably due to Mullard. In 1938 he applied for the US patent 2218902."@en }
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- Ultra-linear comment "Ultra-linear electronic circuits are those used to couple a tetrode or pentode vacuum tube (also called \"electron valve\") to a load (e.g. to a loudspeaker).'Ultra-linear' is a special case of 'distributed-loading'; a circuit technique patented by Alan Blumlein in 1937 (Patent No. 496,883), although the name 'distributed-loading' is probably due to Mullard. In 1938 he applied for the US patent 2218902.".