Title :
A micropower CMOS IC for IR reflectance plethysmography
Author_Institution :
Hughes Solid State Products Division, Newport Beach, CA, USA
Abstract :
A major portion of the analog and digital electronics for a moderately complex medical instrument which measures heart rate externally has been integrated. This paper will cover the on-board circuitry which includes six operational amplifiers optimized to conserve area and power consumption.
Keywords :
Band pass filters; CMOS integrated circuits; Heart rate; Light emitting diodes; Operational amplifiers; Plethysmography; Pulse amplifiers; Reflectivity; Solid state circuits; Voltage;
Conference_Titel :
Solid-State Circuits Conference. Digest of Technical Papers. 1979 IEEE International
Conference_Location :
Philadelphia, PA, USA
DOI :
10.1109/ISSCC.1979.1155906