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Printed electronics have gained increased interest in recent years, and printed sensors, which promise mechanically flexible multifunctional electronics over large areas, are raising remarkable attention. Numerous low cost printing technologies have been developed on different flexible/stretchable substrates including textiles. This paper presents a brief summary of various passive sensors (humidity,...
In this paper, a reconfigurable successive approximation analog-to-digital converter with selectable resolutions ranging from 7 to 10 bits is presented. The circuit is implemented in IBM CMOS 0.13 μm technology, and operates with a 0.9 V supply. The simulated effective number of bits (ENOB) ranges from 6.66 to 9.75, while the simulated power consumption during a continuous conversion ranges from 194...
This work presents a curvature correction method using a subthreshold current generated by an NMOS transistor with its gate and source connected. The designed BGR, used as case study, achieves a simulated temperature coefficient of 5.9 ppm/°C, while the conventional circuit achieves only 17.5 ppm/°C — the triple of the output voltage variation in the temperature range from −40 to 125°C. If the proposed...
The design and characterization of a low-voltage, high-speed CMOS analog latched voltage comparator based on the flipped voltage follower (FVF) cell and input signal regeneration is presented. The proposed circuit consists of a differential input stage with a common-mode signal detector, followed by a regenerative latch and a Set–Reset (S–R) latch. It is suitable for successive-approximation type’s...
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