Title :
An electrically programmable analog NMOS second-order filter
Author :
Allstot, David J. ; Brodersen, R.W. ; Gray, P.
Author_Institution :
University of California, Berkeley, CA, USA
Abstract :
A fully-integrated NMOS electrically-programmable switched capacitor filter will be described. Digital words independently set the filter gain and Q between 1 and 65 in steps of 1, and the center frequency can be set to 1 of 8 values which span one frequency octave.
Keywords :
Adaptive filters; Capacitors; Costs; Frequency; MOS devices; Manufacturing; Solid state circuits; Speech synthesis; Switches; Synthesizers;
Conference_Titel :
Solid-State Circuits Conference. Digest of Technical Papers. 1979 IEEE International
Conference_Location :
Philadelphia, PA, USA
DOI :
10.1109/ISSCC.1979.1156001
