Document Type and Number:
Japanese Patent JPS5549451
Kind Code:
B2
Abstract:
An automatic gain control circuit which includes an amplifier portion for amplifying the automatic gain control signal, an impedance control portion driven by the output of the amplifier portion, a variable impedance portion provided separately from the amplifier portion and controlled by the impedance control portion, and an AC bypass portion arranged on the input side of the impedance control portion, whereby even when the control signal is at a low level, the gain control can be effected at a low distortion factor.
Application Number:
JP8630572A
Publication Date:
December 12, 1980
Filing Date:
August 30, 1972
Export Citation:
International Classes:
H03G3/30