Electronic volume device

Details Electronic volume device Electronic volume device

H - Electricity

03

G

325/101, 179/40,

H03G 3/10 (2006.01) H03G 3/00 (2006.01)

Patent

CA 1292788

ABSTRACT OF THE DISCLOSURE An electronic volume device of a chopper type in which switching control unit thereof can be composed of a monolithic integrated circuit and which controls a quantity of attenuation of an analog signal input to the device by switching the analog signal at predetermined periods. A comparator compares the volume control data generated by a volume control data generator and the counts of a counter which counts clocks having a predetermined period to output a signal indicative of the result of the comparison. This signal controls a tri- state buffer, the output of which is used to switch the input signal.

581679

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