Title :
CMOS switched-capacitor filter for a two-chip PCM voice coder
Author :
Gregorian, R. ; Haque, Yusuf ; Mao, Rui ; Blasco, Ruben ; Nicholson, W.
Author_Institution :
American Microsystems, Inc., Santa Clara, CA, USA
Abstract :
This paper will cover a CMOS switched-capacitor filter for a PCM CODEC. Circuit consists of an elliptic low-pass ladder, a biquadratic high-pass filter and a state-space elliptic low-pass filter with a built-in sin X/X corrector.
Keywords :
Active filters; Clocks; Codecs; Frequency response; MOS devices; Operational amplifiers; Phase change materials; Resistors; Switched capacitor circuits; Switching circuits;
Conference_Titel :
Solid-State Circuits Conference. Digest of Technical Papers. 1979 IEEE International
Conference_Location :
Philadelphia, PA, USA
DOI :
10.1109/ISSCC.1979.1155923
