DSP-based power-quality monitoring deviceMärtens, Olev; Trampärk, Harri; Liimets, Aivar; Nobel, Peter; Veskimeister, Andres; Järvalt, AldurWISP2007 proceedings : 5th IEEE International Symposium on Intelligent Signal Processing : Alcala de Henares, Madrid (Spain), October 3-5, 20072007 / [5] p https://ieeexplore.ieee.org/document/4447591 High-performance analogue measurement using internal enhanced PWM and ADC of a DSP-chipMärtens, Olev; Min, Mart; Trampärk, Harri; Liimets, AivarWISP2007 proceedings : 5th IEEE International Symposium on Intelligent Signal Processing : Alcala de Henares, Madrid (Spain), October 3-5, 20072007 / [5] p https://ieeexplore.ieee.org/document/4447593