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This paper presents the implementation of a digital IQ demodulator in FPGA devices. A DSP-based algorithm representing the demodulator was described in behavioural VHDL, which was used for simulation at the functional level. During the simulation, not only the functions were verified, the finite word-length effect and the coefficient quantization error were investigated as well. The VHDL description...
Several lossless current sensing techniques have been proposed in literatures and adopted by the industries in recent years. However, none of these solutions have addressed the issue of uniform sense accuracy. In this paper, an in-depth analysis of the lossless current sensing technique implemented in a dc-dc buck converter is presented. The compensation techniques for achieving a uniform sense-ratio...
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