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23 April 2024

» arxiv » 1702.5320

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A low noise modular current source for stable magnetic field control
Valerio Biancalana ; Giuseppe Bevilacqua ; Piero Chessa ; Yordanka Dancheva ; Roberto Cecchi ; Leonardo Stiaccini ;
Date:	17 Feb 2017
Abstract:	A low cost, stable, programmable, unipolar current source is described. The circuit is designed in view of a modular arrangement, suitable for applications where several DC sources must be controlled at once. A hybrid switching/linear design helps in improving the stability and in reducing the power dissipation and cross-talking. Multiple units can be supplied by a single DC power supply, while allowing for a variety of maximal current values and compliance voltages at the outputs. The circuit is analogically controlled by an unipolar voltage, enabling current programmability and control through commercial digital-to-analogue conversion cards.
Source:	arXiv, 1702.5320
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