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A volume and frequency response control IC for audio

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2 Author(s)

A dual channel DC controllable tone, volume, and balance control IC is described. A novel variable response filter, combined with a time constant control technique, makes it possible to integrate all functions into a 16-pin package. The chip, requiring very few external components, has an 80 dB gain controlling range and less than 0.2 percent total harmonic distortion.

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:15 ,  Issue: 6 )