Frequency characteristic adjusting apparatus

Details Frequency characteristic adjusting apparatus Frequency characteristic adjusting apparatus

H - Electricity

03

G

330/105, 179/38,

H03G 5/04 (2006.01)

Patent

CA 1174738

FREQUENCY CHARACTERISTIC ADJUSTING APPARATUS ABSTRACT OF THE DISCLOSURE: Frequency characteristic adjusting apparatus used in sound apparatus or the like, in which an input signal is divided into first and second frequency bands after being amplified, the gain of the signal of the first frequency band controlled by first and second gain control circuits respectively, the gain of the signal of the second frequency band controlled by third and fourth gain control circuits respectively, and the output signals from the first and second gain control circuits added and negatively fed back to the amplifier. The output signals from the third and fourth gain control circuits are also added. - 24 -

386551

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