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A deterioration diagnosis method for a Lithium-ion battery based on a phase characteristic of its internal impedance is proposed in this paper. The phase characteristic of the internal impedance is obtained from transient voltage and current waveforms of the battery by DLT (Discrete Laplace Transform). The maximum phase is increased by the deterioration. Since the phase characteristic heavily depends...
A closed form linear electrothermal model for the PIN diode showing it frequency and temperature behavior is presented. The model uses PIN diode electrical parameters such as DC forward current, I-region thickness and the temperature-dependent mobility and carrier lifetime as parameters. Impedance behavior is shown over frequency and temperature as examples of the mathematical model and the model...
Design and characterization of a new generation of single-photon avalanche diodes (SPAD) array, manufactured by ST-Microelectronics in Catania, Italy, are presented. Device performances, investigated in several experimental conditions and here reported, demonstrate their suitability in many applications. SPADs are thin p-n junctions operating above the breakdown condition in Geiger mode at low voltage...
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