FOUR_QUADRANT_WITH_OPAMP_LEVEL_SHIFT

Published:2009/7/7 22:29:00 Author:May | From:SeekIC

Connections shown for Motorola MC1595L linear four-quadrant multiplier are used in applications requiring level shift to ground reference. Common-mode voltage is reduced by 10:1 attenuation networks, and differential output voltage is fed to opamp having closed-loop gain of 10. Resulting output is stillVxVy/10, which appears single-ended above ground reference. Each input can be between-10 V and +10 V. Frequency limit of circuit is about50 kHz for signal swings approaching ±10 V.-E. Renschler, Analysis and Basic Operation of the MC1595, Motorola, Phoenix. AZ, 1975, AN-489 p 9.



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