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Reconfigurable Time Interval Measurement Circuit Incorporating a Programmable Gain Time Difference Amplifier

Lookup NU author(s): Ahmed Alahmadi, Dr Gordon Russell, Professor Alex Yakovlev


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Time interval measurement (TIM) is used in a wide range of applications, for example, physics experiments, dynamic testing of integrated circuits (IC), telecommunications, laser distance measurement, X-ray and UV imagers etc., requiring a range of measurement accuracy and resolution. In this work, a reconfigurable TIM is designed with an adjustable resolution range of 15 down to 0.5 ps and a measurement dynamic range of 480 to 16 ps to perform a variety of time related measurements which require different test specifications; such as set-up and hold time and jitter measurements. It is considered that a reconfigurable measurement system will occupy less chip area than a range of measurement circuits designed for one specific test. The reconfigurable TIM consists of two parts, a programmable time difference amplifier and 32 cells tapped delay line. The proposed programmable time difference amplifier is designed to have a variable gain ranging from 4 to 117 with a very wide dynamic input range.

Publication metadata

Author(s): Alahmadi ANM, Russell G, Yakovlev A

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 15th International Symposium on Design and Diagnostics of Electronic Circuits & Systems (DDECS)

Year of Conference: 2012

Pages: 366-371

ISSN: 9781467311878

Publisher: IEEE


DOI: 10.1109/DDECS.2012.6219089

Library holdings: Search Newcastle University Library for this item

ISBN: 9781467311861