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Capacitor based DACs are common designer's choice for projects realized in nanometer technologies. Designs kits provide several devices that can be used as capacitors. However, they exhibit serious differences in terms of linearity, minimum area and sensitivity to process disturbances The paper presents analysis of capacitive divider design to be used in 8-bit DAC realized in 65 nm CMOS process. Various...
In this paper a gradual investigation of a particular Hall sensor in SOI (“Silicon-On-Insulator”) technology is presented. The most important parameters of a specific Hall cell, based on SOI structure, are evaluated through three-dimensional physical simulations. The fact that the depth of the active silicon layer in SOI integration process is much smaller than in a regular CMOS is immediately reflected...
The paper describes methodology for modelling and simulative estimation of sensitivity and range of ISM band Remote Keyless Entry transmitter-receiver system for automotive applications. The method is based on electrical simulation including PCB extraction data and parameters statistical distribution to evaluate best- and worst case scenarios. Both transmitter and receiver circuits are considered,...
This paper presents a study aimed to assess applicability of artificial neural networks (ANNs) in human activity recognition from simple features derived from accelerometric signals. Secondary goal was to select the most descriptive signal features and sensor locations to be used as inputs to ANNs. Five triaxial accelerometers were attached to human body in the following places: one at back, two at...
The authors present an implementation technique of a novel system which can be used to perform 3-D filtering for separable kernels. The structure, consisting of Givens rotations and delay elements, is implemented in FPGA chip. Givens rotations are based on a pipeline CORDIC algorithm. Presented approach is tested against finite precision noise and sensitivity to structure parameters. It is shown that...
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