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In this paper a Nearest Level Control with open loop approach for modular multilevel converter (MMC) is proposed. By using open loop approach it is possible to suppress circulating currents without using feedback controllers. Moreover, with this method, both N+1 and 2N+1 levels (N=number of sub-modules) can be obtained at the output voltage. In addition, the voltage quality is improved and the total...
New foreground digital calibration methods are proposed for successive approximation register (SAR) analog-to-digital converters (ADCs) to reduce the performance loss due to digital-to-analog converter (DAC) mismatch. A set of calibration coefficients which represent the actual weights of the specified patterns is obtained during foreground calibration, and then used during normal operation to correct...
This paper proposes a new nonvolatile Dual Interlocked Cell (NV-DICE) storage element. The cell includes a DICE latch and four backup ferroelectric capacitors. It can perform store automatically when the power is off abruptly and has high tolerance to SEU. READ and WRITE operations in this cell were simulated by HSIM. Single Event Upset (SEU) of the cell were simulated by Sentaurus simulation tools...
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