Title :
A volume and frequency response control IC for audio
Author :
Sugawara, Tsutomu ; Yamada, Hisashi
Abstract :
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.
Keywords :
Active filters; Audio equipment; Bipolar integrated circuits; Frequency response; Linear integrated circuits; active filters; audio equipment; bipolar integrated circuits; frequency response; linear integrated circuits; Cost function; Frequency response; Gain; Integrated circuit noise; Integrated circuit packaging; Packaging machines; Power harmonic filters; Proportional control; Voltage control;
Journal_Title :
Solid-State Circuits, IEEE Journal of
DOI :
10.1109/JSSC.1980.1051505
