ABSOLUTE_DIFFERENCE_INTEGRATOR

Published:2009/7/16 4:02:00 Author:Jessie | From:SeekIC

Uses two-pole chopper with capacitor connected between the two reeds. During half of chopper cycle, capacitor is charged to voltage difference between outputs of two signal-processing channels. During other half-cycle, charge is transferred to integrator circuit and positive side of capacitor is clomped to ground by one of the two diodes. Integrator is chopper-stabilized d-c amplifier with capacitive feedback, having gain of 200 and integration time constant of 1.5 hours.-H. Schwarzlander, Intelligibility Evaluation of Voice Communications, Electronics, 32:22, p 88-91.



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