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Optimization of instrumentation amplifiers structures with indirect current feedback instrumentation amplifiers
Authors
	Krutchinsky S.G.
	Titov A.E.
Date of publication
	2014
Abstract
	Theory of structural synthesis instrumentation amplifiers based on indirect current feedback instrumentation amplifiers are shown. On the base of the proposed generalized structure the conditions of cancellation principle of EMF offset and CMRR are formulated.The principle of self-compensation effect of gain-crossover frequency influence on the working frequency range of amplifiers is proposed. It is shown that at the structural level can be optimized basic quality parameters of instrumentation amplifier, there're input offset voltage and common mode voltage transfer coefficient for a given differential gain.
Keywords
	instrumentation amplifier, indirect current feedback instrumentation amplifier, self-compensation, cancellation, input offset voltage, differential gain, CMRR
Library reference
	Krutchinsky S.G., Titov A.E. Optimization of instrumentation amplifiers structures with indirect current feedback instrumentation amplifiers // Problems of Perspective Micro- and Nanoelectronic Systems Development - 2014. Proceedings / edited by A. Stempkovsky, Moscow, IPPM RAS, 2014. Part 3. P. 9-14.
URL of paper
	http://www.mes-conference.ru/data/year2014/pdf/D044.pdf