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In this paper are described some principles and new methods underlying the temperature adjustment in an laboratory electrical furnace. Due to high thermal inertia, classical Proportional-Integral-Derivative algorithms are difficult to be implemented when a high precision temperature adjustment is required. An original software algorithm written in C language performs the temperature control function,...
Several matters related to noise design for preamplifiers are presented for very low frequencies, also pointing to issues raised by some circuits in the literature, including those with noise cancelling circuits. The changes in excess noise with temperature are of interest in applications such as wearable, where large variations of temperature can occur.
We propose a method for preventing the power analysis-based reading of instructions executed by a microcontroller. We analyze the operation of a microcontroller system that uses a clock based on a chaotic generator. The purpose of the analysis is twofold: to determine the possibility of clocking a typical microcontroller, like PIC16F84, with a chaotic clock, and to determine the efficiency of securing...
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