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Priority to JP2319073ApriorityCriticalpatent/JPS49114301A/ja
Priority to NL7402728Aprioritypatent/NL7402728A/xx
Priority to DE19742409624prioritypatent/DE2409624A1/de
Publication of JPS49114301ApublicationCriticalpatent/JPS49114301A/ja
H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values