ISO103 gain adjustment circuit diagram

Posted on Mar 28, 2007

As shown for the gain adjustment circuit ISO103. Circuit gain trimming potentiometer R2 (general ISO103 gain accuracy and offset the need for external adjustment), R2 provides

ISO103 gain adjustment circuit diagram
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0.5% gain trim. As the need for greater fine-tuning range can be increased R1, R2 the resistance of each resistor R1 increases 2k, an additional 1% of the fine adjustment range, but requires R2 2R1.

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