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 A new technique to achieve exact and controllable voltage gain relations in feedback amplifiers
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/5202

title: A new technique to achieve exact and controllable voltage gain relations in feedback amplifiers
authors: Alves, L. N.
Cura, J.L.
keywords: Closed loop gain
CMOS processs
Control precision
Gain errors
Voltage gain
Differential amplifiers
Feedback amplifiers
Gain measurement
Circuit theory
issue date: 2009
publisher: Institute of Electrical and Electronics Engineers (IEEE)
abstract: This paper presents a new technique that allows the realization of exact voltage gain relations in feedback amplifiers. Basically, this technique exploits the imperfect subtraction characteristics of traditional differential amplifiers, as a means to nullify the closed-loop gain error of the complete configuration. The validation of the proposed technique was achieved following a simulation perspective, using a specially designed circuit, in a 350nm CMOS process. The achieved results show that it is possible to arbitrarily reduce the gain error, improving the control precision of the subtraction process. © 2009 IEEE.
URI: http://hdl.handle.net/10773/5202
ISBN: 978-1-4244-3896-9
publisher version/DOI: http://dx.doi.org/10.1109/ECCTD.2009.5274995
source: ECCTD 2009: IEEE European Conference on Circuit Theory and Design
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