Operational Amplifier Differentiator for Photoemission Studies: Origin and Control of Errors

Operational Amplifier Differentiator for Photoemission Studies: Origin and Control of Errors

Errors encountered in time differentiating a voltage signal with a simple high gain operational amplifier differentiator are studied. Numerical and electronic means of correcting these generally small errors are suggested. The circuit, including a linear sweep voltage source, used for photoemission...

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Veröffentlicht in:Review of scientific instruments 1969-01, Vol.40 (1), p.74-78
Hauptverfasser: Kress, Kenneth A., Lapeyre, Gerald J.
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container_title Review of scientific instruments
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creator Kress, Kenneth A.
Lapeyre, Gerald J.
description Errors encountered in time differentiating a voltage signal with a simple high gain operational amplifier differentiator are studied. Numerical and electronic means of correcting these generally small errors are suggested. The circuit, including a linear sweep voltage source, used for photoemission studies in this laboratory is presented. The coefficient of the error terms for this particular circuit are calculated numerically. Presently achieved sensitivity and resolution are discussed.
doi_str_mv 10.1063/1.1683753
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title Operational Amplifier Differentiator for Photoemission Studies: Origin and Control of Errors
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