title: A 32-electrode data collection system for electrical impedance tomography.
abstract: A 32-electrode data collection system for Electrical Impedance Tomography (EIT) will be presented. In this system, the demodulator is a multiplexed sample and hold (S&H) circuit followed by a voltage difference stage. This configuration provides high CMRR due to the low (almost DC) operating frequency of the signals the difference stage is required to process.
authors.affiliation: Department of Electrical Engineering, Demokritos University of Thrace, Xanthi, Greece.
authors.forename: C S
authors.initials: CS
authors.lastname: Koukourlis
authors.forename: G A
authors.initials: GA
authors.lastname: Kyriacou
authors.forename: J N
authors.initials: JN
authors.lastname: Sahalos
mesh_terms: D000669:Amplifiers, Electronic; D000703:Analog-Digital Conversion; D003625:Data Collection / Q000295:instrumentation; D017097:Electric Impedance; D004566:Electrodes; D004867:Equipment Design; D005069:Evaluation Studies as Topic; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation; D014054:Tomography / Q000295:instrumentation*