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This paper proposes nondestructive current measurement for surface mounted power MOSFET on VRM board using the micro-magnetic probing technique to facilitation discussion of the self-turn-on phenomenon. A notable feature of the proposed technique is that the sensor part is much smaller than that of conventional methods because this method measures the intensity of a partial magnetic field caused by...
A 14-bit digitally calibrated digital-to-analog converter (DAC) is presented. This DAC uses a simple current comparator for the current measurement during calibration instead of a high-resolution ADC. Therefore, compared to a calibration scheme utilizing a high-resolution ADC, a faster calibration cycle is possible with smaller additional circuits. To reduce the additional area for calibration and...
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