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A comparative investigation of γ-ray total dose ionization damage at high and low-level injection (HLI/LLI) for different dose rate irradiation in double polysilicon self-aligned bipolar NPN transistors is presented. The transistors reveal anomalous dose rate radiation responses for Emitter-Base (E-B) electrical field strength in forward active mode. This effect is probably associated with the different...
Low-voltage DC (LVDC) systems offer a promising means for improving distribution system efficiency and reliability. The DC-AC conversion stage, however, is one of the main challenges for LVDC networks. A low-voltage modular multilevel converter (MMC) for LVDC distribution systems is proposed in this paper. Analysis is presented to show that its efficiency can exceed that of a conventional 2-level...
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