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With the increase of component density and decrease of operating voltage, microcontroller has become increasingly sensitive to electromagnetic interference (EMI), a low current or voltage interference coupled into microcontroller via pins could cause operating failure, or even damaged. Most electromagnetic compatibility (EMC) studies of microcontroller did not take the effects of aging into account...
This paper analyses the electrical fast transient (EFT) immunity level of a low dropout voltage regulator (LDO), with both measuring and modeling methods presented. Through non-synchronous transient injection method, the working states and fail models of the device under test (DUT) is depicted by monitoring the input and output conditions. The measurement results demonstrate that transient pulses...
Among numerous electromagnetic interference sources, electrical fast transient (EFT) has become one of the major threats to the electromagnetic compatibility (EMC) of IC. In this paper, two different EFT generators connected to a uniform IC level test platform are used as interference sources, and asynchronous injection method is adopted to perform the EFT injection test of microcontroller. According...
To investigate the operative impact and therapeutic value of window partial laryngectomy for the treatment of stage T2-3 glottic laryngeal carcinoma.From October 2000 to December 2006, window partial laryngectomy and laryngeal reconstruction were performed on 48 appropriately selected patients with stage T2-3 glottic laryngeal carcinomas. Twenty-nine males and 19 females were included. Before the...
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