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Compact pixel architecture for CMOS lateral flow immunoassay readout systems

Pilavaki, E; Valente, V; Serdijn, W; Demosthenous, A; (2017) Compact pixel architecture for CMOS lateral flow immunoassay readout systems. In: Ph.D. Research in Microelectronics and Electronics (PRIME), 2017 13th Conference on. (pp. pp. 313-316). IEEE: Giardini Naxos (Italy). Green open access

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Abstract

A novel pixel architecture for CMOS image sensors is presented. It uses only one amplifier for both integration of the photocurrent and in-pixel noise cancelation, thus minimizing power consumption. The circuit is specifically designed to be used in readout systems for lateral flow immunoassays. In addition a switching technique is introduced enabling the use of column correlated double sampling technique in capacitive transimpedance amplifier pixel architectures without the use of any memory cells. As a result the reset noise which is crucial in these architectures can be suppressed. The circuit has been designed in a 0.35-μm CMOS technology and simulations are presented to show its performance.

Type: Proceedings paper
Title: Compact pixel architecture for CMOS lateral flow immunoassay readout systems
ISBN-13: 978-1-5090-6508-0
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/PRIME.2017.7974170
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Capacitive transimpedance amplifier; CMOS image sensors; correleted double sampling
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1574493
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