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Analogue OTA multiplier without input voltage swing restrictions, and temperature-compensated

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2 Author(s)
Silva-Martìnez, J. ; Texas A&M University, Department of Electrical Engineering, College Station, USA ; Sànchez-Sinencio, E.

An analogue multiplier with operational transconductance amplifiers (OTAs) is presented. It overcomes the typical problems of previous OTA multipliers: limited input voltage swings and temperature dependence. It uses a minimum number of resistive components, and only two of them are critical in their performance. A simple temperature compensation scheme for the OTA multiplier is introduced.

Published in:

Electronics Letters  (Volume:22 ,  Issue: 11 )