Academic literature on the topic 'Modélisation petit signal'
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Journal articles on the topic "Modélisation petit signal":
Guégan, M., M. Amaya, A. Sharaiha, and J. Le Bihan. "Modélisation petit-signal de la réponse fréquentielle obtenue par photodétection avec un amplificateur optique à semi-conducteur biélectrode." Journal de Physique IV (Proceedings) 12, no. 5 (June 2002): 199–200. http://dx.doi.org/10.1051/jp4:20020131.
Dissertations / Theses on the topic "Modélisation petit signal":
Aboubacar, Moussa. "Modélisation microscopique de la réponse petit-signal et du bruit par la méthode des paquets répartis." Montpellier 2, 1997. http://www.theses.fr/1997MON20237.
Zeidan, Marwan. "Etude expérimentale et modélisation d'une micropile à combustible à respiration." Phd thesis, Institut National Polytechnique de Toulouse - INPT, 2011. http://tel.archives-ouvertes.fr/tel-00733474.
Bouhana, Emmanuel. "Analyse du comportement petit signal du transistor MOS : contribution à une nouvelle approche d'extraction et de modélisation pour des applications RF." Phd thesis, Université des Sciences et Technologie de Lille - Lille I, 2007. http://tel.archives-ouvertes.fr/tel-00333413.
Chaffaï, Rachid. "Étude en régime permanent et modélisation en petit signal d'un convertisseur à resonance sérié : application : interface entre les panneaux solaires et le réseau électrique de distribution." Thèse, Université du Québec à Trois-Rivières, 1990. http://depot-e.uqtr.ca/5397/1/000589279.pdf.
Freytes, Julian. "Analyse de stabilité en petit signaux des Convertisseurs Modulaires Multiniveaux et application à l’étude d'interopérabilité des MMC dans les Réseaux HVDC." Thesis, Ecole centrale de Lille, 2017. http://www.theses.fr/2017ECLI0022/document.
This thesis deals with the modeling and control of MMCs in the context of MTDC. The first objective is to obtain an MMC model in dq frame which can reproduce accurately the AC- and DC- interactions, while representing at the same time the internal dynamics which may interact with the rest of the system. This model is suitable to be linearized and to study its stability, among other linear techniques. Then, based on the developed dq model, different control strategies are developed based on the state-of-the-art on MMC controllers. Since the order of the system may be a limiting factor for studying MTDC grids with many MMCs, different reduced-order models are presented and compared with the detailed dq model. Finally, the developed MMC models with different controllers are used for the MTDC studies. The impact of the chosen controllers of each MMC is evaluated, highlighting the potential issues that may occur in multivendor schemes
Davy, Nil. "Optimisation du transistor bipolaire à double hétérojonction sur substrat d’InP (TBDH InP) pour circuits intégrés ultra-rapides." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0043.
In the era of information technology, we are witnessing a continuous increase in the volume of exchanged data. This comes with a constant need to enhance the bandwidth of optical and radio-frequency communication systems. The ongoing demand for increased bandwidth requires the design of faster circuits capable of supporting the growing data traffic. These circuits, in turn, must rely on ever-faster electronic component technologies. It is in this context that double-heterojunction bipolar transistors (DHBTs) in InP/InGaAs are developed. Thanks to the properties of III-V semiconductors, these components can operate at very high frequencies (> 500 GHz) while maintaining a relatively high breakdown voltage (> 4V).This thesis focus on improving the performance of these components. We will begin by addressing the improvement of high-frequency measurements of transistors to evaluate their frequency performance. We will delve into various choices associated with measurements (calibration, de-embedding, RF probe models) and introduce new measurement pads. In the second part, we will develop an analytical model, taking into account the specifics of the design and technology of the component. Once calibrated on measurements, this model will be used to determine the main axes for improving performance. Next, we will study the performance of several epitaxial structures with the aim of reducing electron transit time while maximizing frequency performance. A new structure, optimized to maximize the transition frequency without degrading the maximum oscillation frequency, will be proposed. Subsequently, we will investigate the physical phenomena limiting the breakdown voltage of the transistor. Finally, we will focus on the self-heating phenomenon that degrades transistor performance. We will propose a thermal resistance model and associated improvement strategies
Castaings, Thibaut. "Catalogage de petits débris spatiaux en orbite basse par observations radars isolées." Phd thesis, Grenoble, 2014. http://tel.archives-ouvertes.fr/tel-00955486.
Stein, Félix. "SPICE Modeling of TeraHertz Heterojunction bipolar transistors." Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0281/document.
The aim of BiCMOS technology is to combine two different process technologies intoa single chip, reducing the number of external components and optimizing power consumptionfor RF, analog and digital parts in one single package. Given the respectivestrengths of HBT and CMOS devices, especially high speed applications benefit fromadvanced BiCMOS processes, that integrate two different technologies.For analog mixed-signal RF and microwave circuitry, the push towards lower powerand higher speed imposes requirements and presents challenges not faced by digitalcircuit designs. Accurate compact device models, predicting device behaviour undera variety of bias as well as ambient temperatures, are crucial for the development oflarge scale circuits and create advanced designs with first-pass success.As technology advances, these models have to cover an increasing number of physicaleffects and model equations have to be continuously re-evaluated and adapted. Likewiseprocess scaling has to be verified and reflected by scaling laws, which are closelyrelated to device physics.This thesis examines the suitability of the model formulation for applicability to production-ready SiGe HBT processes. A derivation of the most recent model formulationimplemented in HICUM version L2.3x, is followed by simulation studies, whichconfirm their agreement with electrical characteristics of high-speed devices. Thefundamental geometry scaling laws, as implemented in the custom-developed modellibrary, are described in detail with a strong link to the specific device architecture.In order to correctly determine the respective model parameters, newly developed andexisting extraction routines have been exercised with recent HBT technology generationsand benchmarked by means of numerical device simulation, where applicable.Especially the extraction of extrinsic elements such as series resistances and parasiticcapacitances were improved along with the substrate network.The extraction steps and methods required to obtain a fully scalable model library wereexercised and presented using measured data from a recent industry-leading 55nmSiGe BiCMOS process, reaching switching speeds in excess of 300GHz. Finally theextracted model card was verified for the respective technology