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Microbridge Rejustor™ Design Challenge Official Entry |
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Title: |
Precision Optical Transimpedance amplifier & OPAMP compensation |
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Abstract: |
An optical power detector is described here. The output voltage of a TIA is simply Vo/p = I x R, where I is the current input. We can compensate errors in the circuit caused by, detector dark current variation with temperature, opamp offset(s) variation with temperature. (uV/K), and resistor temperature variation (ppm/K) .
Also described here is also a good way to compensate opamp offset. |
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Submitted By: |
scholayil |
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Submitted On: |
9/25/2007 |
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Total Views: |
978 |
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