Publisher DOI: 10.1109/BIOCAS.2019.8919042
Title: A Pressure sensor with 0.30 mmhg resolution incorporating a 4.19 pj/conv thyristor-based capacitance-To-Time converter for intra-corporeal Pressure Monitoring Applications
Language: English
Authors: Mendoza Ponce, Pablo Daniel  
Sayed, Gayas Mohiuddin  
Abu Saleh, Lait 
Krautschneider, Wolfgang 
Kuhl, Matthias  
Keywords: Biomedical electronics; Capacitive transducers; Pressure sensors; Thyristor circuits
Issue Date: Oct-2019
Source: Biomedical Circuits and Systems Conference (BioCAS): 8919042 (2019-10)
Abstract (english): 
This work presents a Capacitance-To-Digital Converter for in-vivo pressure monitoring in clinical scenarios. The developed system combines a Capacitance-To-Time Converter (CTC) and a Time-To-Digital Converter (TDC), of which the CTC presents a novel architecture based on CMOS Thyristor elements with a power consumption of only 2.99 μW. The interface was implemented in a 350 nm CMOS technology and tested in combination with a commercially available capacitive pressure transducer. The Capacitance-To-Time Converter unit achieves an average pressure resolution of 0.30 mmHg while consuming 4.19 pJ/conv.
Conference: Biomedical Circuits and Systems Conference, BioCAS 2019 
URI: http://hdl.handle.net/11420/4263
ISBN: 978-150900617-5
Institute: Integrierte Schaltungen E-9 
Document Type: Chapter/Article (Proceedings)
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