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This paper introduces a single-channel high-speed SAR ADC design. The new design uses asynchronous timing and split capacitor array to improve the ADC speed. It uses bottomplate sampling to improve the ADC linearity. A new comparator is designed to keep the capacitance at its gate constant over the bit cycling procedure so as to keep the comparator offset constant. Circuits are integrated in the comparator...
This paper presents a temperature sensor with process compensation and second-order calibration for Battery Management Systems (BMS). Particularly, the second-order calibrated CTAT and PTAT sensors utilizing a current mirror and an n-well resistor are used to eliminate the second-order term of the temperature coefficient such that the relationship between the output voltage and the temperature is...
This paper presents a temperature detector with process compensation and non-linear calibration for battery management systems (BMS) with HV ESD protection. The proposed temperature detector attains process compensation and calibration by using the proposed CTAT and PTAT sensors. The proposed temperature detector must be protected using HV ESD protection in BMS. The proposed temperature detector is...
Central catadioptric cameras are widely used in virtual reality and robot navigation, and the camera calibration is a prerequisite for these applications. In this paper, we propose an easy calibration method for central catadioptric cameras with a 2D calibration pattern. Firstly, the bounding ellipse of the catadioptric image and field of view (FOV) are used to obtain the initial estimation of the...
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