Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP11042479ApriorityCriticalpatent/JPS5530300A/ja
Publication of JPS5530300ApublicationCriticalpatent/JPS5530300A/ja
Publication of JPS6154288B2publicationCriticalpatent/JPS6154288B2/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
H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
Landscapes
Control Of Amplification And Gain Control
(AREA)
JP11042479A1979-08-311979-08-31Gain control circuit
GrantedJPS5530300A
(en)