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Published May 1995 | Published
Book Section - Chapter Open

A νMOS soft-maximum current mirror


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.

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.

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