Wu, Ruiheng, Lidgey, F.J., Hayatleh, K. and Hart, B.L. (2010) Differential amplifier with improved gain-accuracy and linearity. Interntional Journal of Circuit Theory and Applications, 38 (8). pp. 829-844. ISSN 0098-9886 (doi:10.1002/cta.601)

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Abstract

A novel circuit design technique is presented which improves gain-accuracy and linearity in differential amplifiers. The technique employs negative impedance compensation and results demonstrate a significant performance improvement in precision, lowering sensitivity, and wide dynamic range. A theoretical underpinning is given together with the results of a demonstrator differential input/output amplifier with gain of 12 dB. The simulation results show that, with the novel method, both the gain-accuracy and linearity can be improved greatly. Especially, the linearity improvement in IMD can get to more than 23 dB with a required gain.

Item Type:	Article
Additional Information:	[1] Article first published online: 26 MAY 2009. [2] ISSN 0098-9886 (Print), 1097-007X (Online).
Uncontrolled Keywords:	differential amplifiers, gain-accuracy, linearity, negative impedance compensation
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments:	School of Engineering School of Engineering > Department of Engineering Systems
Related URLs:	Publisher Organisation
Last Modified:	13 Dec 2019 12:08
URI:	http://gala.gre.ac.uk/id/eprint/1621

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