| Issue |
MATEC Web Conf.
Volume 102, 2017
V International Forum for Young Scientists “Space Engineering”
|
|
|---|---|---|
| Article Number | 01031 | |
| Number of page(s) | 4 | |
| Section | Applied Aerospace Engineering | |
| DOI | https://doi.org/10.1051/matecconf/201710201031 | |
| Published online | 15 March 2017 | |
Wide dynamic range 500 fA sensitivity current measurement instrument
Novosibirsk State University, 630090 Novosibirsk, Russia
* Corresponding author: pelemeshko55@gmail.com
Main technical features of Low Energy Charged Particle Sensor (LECPS) are described, taking into account LECPS high sensitivity, wide dynamic range, and conditions of in-flight operation on-board a satellite. LECPS input cascade is capable of current measurement as low as 1 pA within a 120 dB dynamic range, providing error level below 20%. Statistical calculations of acquired data, measuring time considerations and implementation of input cascade auto-calibration technique were applied to gain the best possible stability and accuracy over −20° to +50°C operation temperature.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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