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A CMOS sensor and signal conversion chip for monitoring arterial blood pressure and temperature

: Kandler, M.; Manoli, Y.; Mokwa, W.; Spiegel, E.

Institute of Electrical and Electronics Engineers -IEEE-; IEEE Microwave Theory and Techniques Society:
IEEE International Solid-State Circuits Conference 1992. Digest of technical papers
International Solid-State Circuits Conference <39, 1992, San Francisco/Calif.>
Conference Paper
Fraunhofer IMS ()
Analog-Digital-Umsetzung; analogue-digital conversion; Auswerteelektronik; capacitive transducer; Druckmessung; kapazitiver Drucksensor; kapazitives Meßverfahren; komplementäre MOS-Schaltung; pressure measurement; SC-Technik; single-slope A/D-Umsetzer; temperature sensors; Temperaturmessung

A data acquisition system for arterial measurement of blood pressure and temperature is presented. It consists of a planar etched capacitive pressure sensor, a temperature sensor and readout electronics for signal conditioning, amplification and A/D conversion. The whole system is monolithically integrated on a single chip with dimensions of 7.2 x 0.7 mmü and can be embedded into a catheter of 1 mm diameter.