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Priority to JP13860876ApriorityCriticalpatent/JPS5362916A/ja
Publication of JPS5362916ApublicationCriticalpatent/JPS5362916A/ja
Publication of JPS5728206B2publicationCriticalpatent/JPS5728206B2/ja
H03G3/00—Gain control in amplifiers or frequency changers
H03G3/20—Automatic control
H03G3/30—Automatic control in amplifiers having semiconductor devices
H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver