Gain control circuit

Details Gain control circuit Gain control circuit

H - Electricity

03

G

330/104

H03G 3/00 (2006.01)

Patent

CA 1124806

GAIN CONTROL CIRCUIT Abstract of the Disclosure A circuit for varying the gain of an amplifier circuit linearly in decibel by the use of a digital code signal varying linearly, has a resistance network connected between an amplifier having a fixed gain and an input or output portion. The gain of the amplifier as well as the values of resistance elements constituting the resistance network is set for the transfer function of the amplifier circuit to become: Image .

333588

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