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H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
AT516669A1968-05-311969-05-30Schaltungsanordnung zur Erzeugung einer konstanten Abstimmspannung
AT286364B
(de)