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http://dx.doi.org/10.6109/jkiice.2017.21.5.885

Implementation of crowbar circuit for high-speed discharge·charge switching and its characteristic analysis  

Lee, Min-woong (Department of Nuclear convergence technology, Korea Atomic Energy Research Institute)
Cho, Seong-ik (Department of Electronic engineering, Chonbuk National University)
Lee, Nam-ho (Department of Nuclear convergence technology, Korea Atomic Energy Research Institute)
Jeong, Sang-hun (Department of Nuclear convergence technology, Korea Atomic Energy Research Institute)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.21, no.5, 2017 , pp. 885-892 More about this Journal
Abstract
In this paper, we proposed a novel crowbar circuit for high-speed discharge charge switching to solve discharge charge-time delay of supply voltage in the conventional crowbar circuit. The proposed circuit is designed to increase the charge-speed after high-speed discharge of supply voltage, thereby reducing the time exposed to radiation damage and, the normal operation time of electronic system after passing the pulse radiation. The simulation of the discharge charge-times before the implement of the hardware is conducted using Cadence's pspice tool, and DUT (Device Under Test) board is fabricated in the device level. The comparison measurement of the crowbar circuits is performed on the satellite-electronic device for 24V. As the result, we confirmed the high-speed function of the proposed circuit by improvement of the discharge-speed 96.8% and the charge-speed 27.3% as compared with the conventional circuit.
Keywords
Pulse radiation; Crowbar circuit; Discharge.charge-time; High-speed discharge.charge; electronic device;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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