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A νMOS soft-maximum current mirror

Minch, Bradley A. and Diorio, Chris and Hasler, Paul and Mead, Carver (1995) A νMOS soft-maximum current mirror. In: 1995 IEEE International Symposium on Circuits and Systems. ISCAS '95. Vol.3. IEEE , Piscataway, NJ, pp. 2249-2252. ISBN 0-7803-2570-2.

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In this paper, we describe a novel circuit consisting of N+1 MOS transistors and a single floating gate which computes a soft maximum of N current inputs and reflects the result in the output transistor. An intuitive description of the operation of the circuit is given. Data from a working two-input version of the circuit is presented and discussed. The circuit features a high output voltage swing and an interesting feedback mechanism which causes its output impedance to be comparable to that of a normal MOS transistor despite the fact that the output device is a floating-gate transistor.

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Additional Information:© 1995 IEEE. This material is based upon work supported in part under a National Science Foundation Graduate Research Fellowship, the Office of Naval Research, ARPA, and the Beckman Foundation.
Funding AgencyGrant Number
NSF Graduate Research FellowshipUNSPECIFIED
Office of Naval Research (ONR)UNSPECIFIED
Advanced Research Projects Agency (ARPA)UNSPECIFIED
Arnold and Mabel Beckman FoundationUNSPECIFIED
Record Number:CaltechAUTHORS:20150113-151535084
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Official Citation:Minch, B.A.; Diorio, C.; Hasler, P.; Mead, C., "A νMOS soft-maximum current mirror," Circuits and Systems, 1995. ISCAS '95., 1995 IEEE International Symposium on , vol.3, no., pp.2249,2252 vol.3, 30 Apr-3 May 1995 doi: 10.1109/ISCAS.1995.523876 URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:53644
Deposited On:13 Jan 2015 23:49
Last Modified:10 Nov 2021 20:05

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