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24-channel dual microcontroller-based voltage controller for ion optics remote control

Journal article
Authors Lars Bengtsson
Published in Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment
Volume 890
Pages 96-101
ISSN 0168-9002
Publication year 2018
Published at Department of Physics (GU)
Pages 96-101
Language en
Links https://doi.org/10.1016/j.nima.2018...
https://www.sciencedirect.com/scien...
Keywords Voltage control; Ion optics; Electron affinity; Microcontroller; Firmware
Subject categories Accelerator Physics and Instrumentation, Embedded Systems

Abstract

The design of a 24-channel voltage control instrument for Wenzel Elektronik N1130 NIM modules is described. This instrument is remote controlled from a LabVIEW GUI on a host Windows computer and is intended for ion optics control in electron affinity measurements on negative ions at the CERN-ISOLDE facility. Each channel has a resolution of 12 bits and has a normally distributed noise with a standard deviation of <1 mV. The instrument is designed as a standard 2-unit NIM module where the electronic hardware consists of a printed circuit board with two asynchronously operating microcontrollers.

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