Sarpeshkar, Rahul and Lyon, Richard F. and Mead, Carver (1998) A Low-Power Wide-Linear-Range Transconductive Amplifier. In: Neuromorphic Systems Engineering : Neural Networks in Silicon. Springer International Series in Engineering and Computer Science. No.447. Kluwer Academic , Boston, MA, pp. 267-313. ISBN 0792381580. https://resolver.caltech.edu/CaltechAUTHORS:20150112-105932717
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Abstract
In the past few years, engineers have improved the linearity of MOS transconductor circuits 12, 5, 10, 11, 19, 20, 26, 28, 29, 32]. These advances have been primarily in the area of above-threshold, high-power, high-frequency, continuous-time filters. Although it is possible to implement auditory filters (20Hz- 20khz) with these techniques, it is inefficient to do so. The transconductance and current levels in above-threshold operation are so high that large capacitances or transistors with very low W / L are required to create low-frequency poles, and area and power are wasted. In addition, it is difficult to span 3 orders of magnitude of transconductance with a square law, unless we use transistors with ungainly aspect ratios. However, it is easy to obtain a wide linear range above threshold.
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Additional Information: | © 1998 Kluwer Academic | ||||||
Series Name: | Springer International Series in Engineering and Computer Science | ||||||
Issue or Number: | 447 | ||||||
Record Number: | CaltechAUTHORS:20150112-105932717 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150112-105932717 | ||||||
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ID Code: | 53568 | ||||||
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Deposited On: | 13 Jan 2015 02:18 | ||||||
Last Modified: | 03 Oct 2019 07:50 |
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