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Total ionizing dose effects on a radiation-induced BiMOS analog-to-digital converter

        The total dose effect of an AD678 with a BiMOS process is studied.We investigate the performance degradation of the device in different bias states and at several dose rates.The results show that an AD678 can endure 3 krad(Si) at low dose rate and 5 krad(Si) at a high dose rate for static bias.The sensitive parameters to the bias states also differ distinctly.We find that the degradation is more serious on static bias.The underlying mechanisms are discussed in detail. 

 

该研究结果发表在Journal of Semiconductors Vol.34,No.1 2013