DocumentCode
891545
Title
A volume and tone control IC for Hi-Fi audio
Author
Sato, Maki ; Suzuki, Kazuo ; Suzuki, Tadao ; Akutsu, Kinya
Volume
16
Issue
6
fYear
1981
Firstpage
682
Lastpage
689
Abstract
A monolithic IC which contains dual-channel volume control circuits, tone control circuits, and function switches is discussed. The IC has excellent characteristics, such as total harmonic distortion of less than 0.002 percent (at 1 kHz, 300 mV rms input signal) and a signal-to-noise ratio of more than 100 dB (at 300 mV rms input signal, A weighting). SIPOS-gate MOSFET´s and polysilicon ion implanted resistors are employed, yielding good signal level accuracy and low distortion.
Keywords
Audio equipment; Field effect integrated circuits; Linear integrated circuits; audio equipment; field effect integrated circuits; linear integrated circuits; Attenuation; Attenuators; Decoding; Integrated circuit noise; Logic circuits; MOSFET circuits; Monolithic integrated circuits; Resistors; Semiconductor device noise; Switches;
fLanguage
English
Journal_Title
Solid-State Circuits, IEEE Journal of
Publisher
ieee
ISSN
0018-9200
Type
jour
DOI
10.1109/JSSC.1981.1051662
Filename
1051662
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