SCHMIDT, K.-H.; JURADO, B.

doi:10.1109/TNS.2013.2270013

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SCHMIDT, K.-H.
Aval du cycle et Energie Nucléaire [ACEN]

JURADO, B.
Aval du cycle et Energie Nucléaire [ACEN]

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Ce document a été publié dans

IEEE Transactions on Nuclear Science. 2012, vol. 60, p. 2918-2922

Institute of Electrical and Electronics Engineers

Résumé en anglais

A self-adjusting resistor unit is described which stabilizes the bias voltage of a detector for ionising particles, while always keeping the parallel thermal noise of the bias resistor significantly below the detector shot noise. The user is exempted from adjusting the bias resistor to the detector leakage current for achieving optimum operation conditions. Moreover, the unit avoids the drop of the operation voltage on the detector when the reverse current increases up to several orders of magnitude without any further intervention. The self-adjusting unit leads to an extension of the time of operation of the detector under stable conditions by up to several orders of magnitude.< Réduire

Mots clés en anglais

Voltage stabilisation Charge-sensitive pre-amplifier Electronic noise Detection of ionizing particles

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Self-adjusting resistor unit in the detector-voltage supply of a charge-sensitive pre-amplifier for an ionization detector

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