Floating gate current mirror for gain correction in CMOS translinear circuits

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Publication Type Journal Article
School or College College of Engineering
Department Electrical & Computer Engineering
Creator Harrison, Reid R.
Title Floating gate current mirror for gain correction in CMOS translinear circuits
Date 1999-01-01
Description The exponential behavior of MOSFETs in subthreshold operation has recently been exploited to build CMOS translinear circuits such as multipliers and log-domain filters. A major obstacle in developing a practical CMOS implementation is the variation in threshold voltage between devices. In translinear circuits, these voltage offsets manifest themselves as gain errors in the current-mode outputs. We have designed a floating-gate CMOS current mirror that can adapt its gain to compensate for these errors. The adaptation process uses only hot-electron injection, so the high voltages typically associated with tunneling are not needed. A small array of these circuits were fabricated in a standard 1.2 pm double-poly CMOS process. We demonstrate gain adaptation and discuss the nonlinearity introduced by the adaptive mirror.
Type Text
Publisher Institute of Electrical and Electronics Engineers (IEEE)
Journal Title IEEE International Symposium on Circuits and Systems
Volume 2
First Page 404
Last Page 407
Language eng
Bibliographic Citation Harrison, R. R. (1999). Floating gate current mirror for gain correction in CMOS translinear circuits. Proceedings of the 1999 IEEE International Symposium on Circuits and Systems (ISCAS '99), 2, 404-7.
Rights Management (c) 1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Format Medium application/pdf
Format Extent 324,999 bytes
Identifier ir-main,13986
ARK ark:/87278/s6kp8kq5
Setname ir_uspace
Date Created 2012-06-13
Date Modified 2021-05-06
ID 706491
Reference URL https://collections.lib.utah.edu/ark:/87278/s6kp8kq5
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