28 February 2017 High voltage pulse gated power supply with adjustable pulse width
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Proceedings Volume 10256, Second International Conference on Photonics and Optical Engineering; 102563F (2017) https://doi.org/10.1117/12.2257815
Event: Second International Conference on Photonics and Optical Engineering, 2016, Xi'an, China
Abstract
Image intensifier is the key components of low-light level night vision device. In order to extend its dynamic range of the night vision sight, a high voltage pulse gated power supply (HVPGPS) for image intensifier cathode is researched in this paper. The HVPGPS with pulse width adjustable is optimally designed for the image intensifier cathode power supply. Its pulse amplitude is 250 V, with 1 kHz frequency. Two different circuits are combined to get the adjustable pulse width from narrow to wide. The pulse width parameters are: the narrow pulse circuit is from 20 ns to 300 ns, and its wide pulse circuit is 300 ns – millisecond (ms). This HVPGPS can achieve the advantages of small size circuit, low power consumption, and which meets the requirements of image intensifier cathode power supply.
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Yang Yu, Yuanhe Tang, Shulin Liu, Baojun Yan, Yuzhen Yang, Kaile Wen, "High voltage pulse gated power supply with adjustable pulse width", Proc. SPIE 10256, Second International Conference on Photonics and Optical Engineering, 102563F (28 February 2017); doi: 10.1117/12.2257815; https://doi.org/10.1117/12.2257815
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