A Novel Log-Domain Differentiator |
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| Authors: | Spiridon Vlassis Costas Psychalinos |
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| Affiliation: | (1) Physics Department, Electronics Laboratory, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece |
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| Abstract: | A log-domain differentiator circuit, constructed using an appropriate input stage and a multiplier block, is proposed in this Letter. The input stage compresses the voltage at the capacitor's nodes and simultaneously produces a replica of the current that flows through the capacitor. The multiplier block realizes the desired output current. The analysis of the proposed circuit has been verified through simulation results. |
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| Keywords: | log-domain circuits companding circuits differentiators analog signal processing |
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