30_kHz_BANDWIDTH

Published:2009/7/6 7:55:00 Author:May | From:SeekIC

Isolation amplifer circuit uses Intech/Function Modules A-8402 voltage-to-frequency converter having linearity of ±05% to convert input voltage to proportional frequency up to 500 kHz for driving LED of optoisolator. Similar IC converts output of optoisolator back to proportional DC voltage. Supply for conveners is nominally 12 V, but can be 5 to 18 V.-P. Pinter and D. Timm, Voltage-to-Frequency Converters-IC Versions Perform Accurate Data Conversion (and Much More) at Low cost, EDN Magazine, Sept 5, 1977, p 153-157.



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