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Artykuły w czasopismach na temat "Amplificateur à gain variable"
Ginovart, F., i J. C. Simon. "Effets de longueur d'un amplificateur optique à semiconducteur sur la dynamique de gain". Journal de Physique IV (Proceedings) 12, nr 5 (czerwiec 2002): 189–91. http://dx.doi.org/10.1051/jp4:20020128.
Pełny tekst źródłaChoi, Inyoung, Heesong Seo i Bumman Kim. "Accurate dB-Linear Variable Gain Amplifier With Gain Error Compensation". IEEE Journal of Solid-State Circuits 48, nr 2 (luty 2013): 456–64. http://dx.doi.org/10.1109/jssc.2012.2227606.
Pełny tekst źródłaDUONG, Q. H., C. W. KIM i S. G. LEE. "All CMOS Low-Power Wide-Gain Range Variable Gain Amplifiers". IEICE Transactions on Electronics E91-C, nr 5 (1.05.2008): 788–97. http://dx.doi.org/10.1093/ietele/e91-c.5.788.
Pełny tekst źródłaCHA, S. "A CMOS IF Variable Gain Amplifier with Exponential Gain Control". IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E88-A, nr 2 (1.02.2005): 410–15. http://dx.doi.org/10.1093/ietfec/e88-a.2.410.
Pełny tekst źródłaOHTSU, Kohei, Kristoffer KVAM, Thor I. FOSSEN i Hitoi FUKUDA. "Optimal Steering Using Variable Gain Controller". Journal of Japan Institute of Navigation 104 (2001): 89–94. http://dx.doi.org/10.9749/jin.104.89.
Pełny tekst źródłaZhang, Jing Zhi. "A 520MHz Wideband Variable Gain Amplifier". Applied Mechanics and Materials 556-562 (maj 2014): 1564–67. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.1564.
Pełny tekst źródłaHunnekens, Bram, Sjors Kamps i Nathan Van De Wouw. "Variable-Gain Control for Respiratory Systems". IEEE Transactions on Control Systems Technology 28, nr 1 (styczeń 2020): 163–71. http://dx.doi.org/10.1109/tcst.2018.2871002.
Pełny tekst źródłaLiu, W., W. Liu i S. K. Wei. "CMOS exponential-control variable gain amplifiers". IEE Proceedings - Circuits, Devices and Systems 151, nr 2 (2004): 83. http://dx.doi.org/10.1049/ip-cds:20040111.
Pełny tekst źródłaCarlosena, A., i G. S. Moschytz. "Design of variable-gain current conveyors". IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications 41, nr 1 (1994): 79–81. http://dx.doi.org/10.1109/81.260229.
Pełny tekst źródłaBalteanu, F., i M. Cloutier. "Charge-pump controlled variable gain amplifier". Electronics Letters 34, nr 9 (1998): 838. http://dx.doi.org/10.1049/el:19980644.
Pełny tekst źródłaRozprawy doktorskie na temat "Amplificateur à gain variable"
Fechine, Sette Elmo Luiz. "Circuits intégrés millimétriques en bande Ka pour une antenne à pointage électronique pour les télécommunications avec des satellites géostationnaires ou des constellations de satellites". Electronic Thesis or Diss., Limoges, 2024. http://www.theses.fr/2024LIMO0002.
Pełny tekst źródłaThis work presents the design of active integrated circuits intended for integration into an electronically steered antenna for Ka-band satellite communications. Firstly, the manuscript introduces the context of the study, discussing the main concepts and characteristics of this type of antenna. Subsequently, two key blocks of the transmission chain are studied in detail and designed: a variable gain power amplifier and three controllable phase shifters. The circuits are implemented using two SiGe BiCMOS technologies: BiCMOS9MW and SG13G2. Finally, the post-layout simulation results are presented and compared to the project specifications as well as the state of the art
Deza, Julien. "Etude, Conception et Caractérisation de circuits pour la Conversion Analogique Numérique à très hautes performances en technologie TBH InP 0.7µm". Thesis, Cergy-Pontoise, 2013. http://www.theses.fr/2013CERG0680/document.
Pełny tekst źródłaThis thesis concerns the design of high speed circuits in Indium phosphide heterojunction Bipolar technology for High performance analog to digital conversion (ADC).The study focuses on the Track and Hold block (THA) which is the main function of the ADC. The study was conducted by simulating all blocks of the THA circuit. In particular, an extensive study of the THA main block was performed for various electrical parameters to achieve optimal conditions in order to obtain a good tradeoff between resolution bandwidth and linearity. THA architectures circuits with or without Voltage Gain Amplifier stage were designed, optimized and characterized. High THA performances were achieved: THA circuit with a bandwidth greater than 50 GHz at 70 Gs/s were achieved for optical communications and circuits of bandwidth more than16 GHz at (2-8 GS /s) have been realized for down conversion operation
Haghighitalab, Delaram. "Récepteur radio-logicielle hautement numérisé". Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066443.
Pełny tekst źródłaNowadays there is an increase in the number of standards being integrated in mobile devices. The main issues are battery life and the size of the device. The idea of a Software Defined Radio is to push the digitization process as close as possible to the antenna. Having most of the circuit in the digital domain allows it to be reconfigurable thus requiring less area and power consumption. In this thesis, we present the first implementation of a complete SDR receiver based on RF bandpass Sigma-Delta including a Variable-Gain LNA (VGLNA), an RF subsampled Sigma-Delta ADC, an RF digital down-conversion mixer and a polyphase multi-stage multi-rate decimation filter. VGLNA enlarges the dynamic range of the multi-standard receiver to achieve the requirements of the three targeted wireless standards. Also a mixed architecture, using both Source-Coupled Logic (SCL) and CMOS circuits, is proposed to optimize the power consumption of the RF digital circuits. Moreover, we propose a multi-stage comb filter architecture with polyphase decomposition to reduce the power consumption. The receiver is measured for three different standards in the 2.4 GHz ISM-band. Measurement results show that the receiver achieves 79 dB, 73 dB and 63 dB of dynamic range for the Bluetooth, ZigBee and WiFi standards respectively. The complete receiver, implemented in 130 nm CMOS process, has a 300 MHz tunable central frequency and consumes 63 mW under 1.2 V supply. Compared to other SDR receivers, the proposed circuit consumes 30% less power, the DR is 21 dB higher, IIP3 is 6 dB higher and the overall Figure of Merit is 24 dB higher
Haghighitalab, Delaram. "Récepteur radio-logicielle hautement numérisé". Electronic Thesis or Diss., Paris 6, 2015. http://www.theses.fr/2015PA066443.
Pełny tekst źródłaNowadays there is an increase in the number of standards being integrated in mobile devices. The main issues are battery life and the size of the device. The idea of a Software Defined Radio is to push the digitization process as close as possible to the antenna. Having most of the circuit in the digital domain allows it to be reconfigurable thus requiring less area and power consumption. In this thesis, we present the first implementation of a complete SDR receiver based on RF bandpass Sigma-Delta including a Variable-Gain LNA (VGLNA), an RF subsampled Sigma-Delta ADC, an RF digital down-conversion mixer and a polyphase multi-stage multi-rate decimation filter. VGLNA enlarges the dynamic range of the multi-standard receiver to achieve the requirements of the three targeted wireless standards. Also a mixed architecture, using both Source-Coupled Logic (SCL) and CMOS circuits, is proposed to optimize the power consumption of the RF digital circuits. Moreover, we propose a multi-stage comb filter architecture with polyphase decomposition to reduce the power consumption. The receiver is measured for three different standards in the 2.4 GHz ISM-band. Measurement results show that the receiver achieves 79 dB, 73 dB and 63 dB of dynamic range for the Bluetooth, ZigBee and WiFi standards respectively. The complete receiver, implemented in 130 nm CMOS process, has a 300 MHz tunable central frequency and consumes 63 mW under 1.2 V supply. Compared to other SDR receivers, the proposed circuit consumes 30% less power, the DR is 21 dB higher, IIP3 is 6 dB higher and the overall Figure of Merit is 24 dB higher
Dasgupta, Abhijeet. "High efficiency S-Band vector power modulator design using GaN technology". Thesis, Limoges, 2018. http://www.theses.fr/2018LIMO0021/document.
Pełny tekst źródłaThe evolution of telecommunications systems, linked to a constantly increasing demand in terms of data rate and volume, leads to the development of systems offering very wide bandwidths, modulations with very high spectral efficiencies, increased power and frequency flexibilities in transmitters. Moreover, the implementation of such systems must be done with a permanent concern for energy saving, hence the recurring goal of the RF power amplification which is to combine the best efficiency, linearity and bandwidth. Conventional architectures of RF emitter front-ends consist in a first step in performing the frequency modulation-conversion operation (IQ Modulator) and then in a second step the DC-RF energy conversion operation (Power Amplifier), these two steps being usually managed independently. The aim of this thesis is to propose an alternative approach that consists in combining these two operations in only one function: a high efficiency vector power modulator. The core of the proposed system is based on a two-stage GaN HEMT circuit to obtain a variable power gain operating at saturation. It is associated with a specific multi-level bias modulator also design using GaN technology. The fabricated device generates, at a frequency of 2.5 GHz, a 16QAM modulation (100Msymb/s) with 13W average power, 25W peak power, with an overall efficiency of 40% and 5% EVM
Ayad, Mohammed. "Etude et Conception d’amplificateurs DOHERTY GaN en technologie Quasi - MMIC en bande C". Thesis, Limoges, 2017. http://www.theses.fr/2017LIMO0027.
Pełny tekst źródłaThis work responds to an increased industrial need for on carrier signals with variable envelope amplification used by current telecommunications systems. These signals have a strong PAPR and an envelope statistical distribution centred below the envelope peak value, the reason why the telecom industrialists then require a robust and reliable high power amplifiers having an energy expenditure along of the envelope dynamics associated with an acceptable level of linearity. This document presents the results of the study and realization of two, high efficiency, Doherty Power Amplifiers (DPA) encapsulated in QFN plastic packages. The first is a conventional Doherty power Amplifier (DPA-SE) and the second is a dual-input Doherty power amplifier (DPA-DE). These C-band demonstrators are based on the use of Quasi-MMIC technology combining power bars based on the AlGaN/GaN transistors on SiC to matching circuits in ULRC technology. The Quasi-MMIC approach combined with Quasi-MMIC approach combined with QFN plastic package solution for better thermal behaviour management offers electrical performances similar to those of MMIC technology with very attractive coasts and manufacturing cycles. During this work, a new evaluation method for the transistors dedicated to the design of DPA was developed and implemented. The intensive use of 2.5D and 3D electromagnetic simulations made it possible to take into account the coupling effects existing between the different circuits in the QFN package environment. The results of the tests of the amplifiers realised and operating on 1GHz bandwidth validated the design method and showed that the advanced concepts associated with the Quasi-MMIC approach as well as plastic encapsulation technologies can generate innovative microwave functions. The characterizations of the DPA-DE have noted the interest inherent in the preformation of the excitation signals and the bias points of each stage of the amplifier
Lablonde, Laurent. "Etude des non-linéarites de gain d'un amplificateur optique à semi-conducteur". Limoges, 1996. http://www.theses.fr/1996LIMO0029.
Pełny tekst źródłaOksasoglu, Ali 1960. "GAIN-BANDWIDTH EFFECTS IN THE STATE-VARIABLE FILTERS". Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/276419.
Pełny tekst źródłaRahmatian, Behnoosh. "A 75-dB digitally programmable CMOS variable gain amplifier". Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/32248.
Pełny tekst źródłaApplied Science, Faculty of
Electrical and Computer Engineering, Department of
Graduate
Jha, Nand Kishore. "Design of a complementary silicon-germanium variable gain amplifier". Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24614.
Pełny tekst źródłaKsiążki na temat "Amplificateur à gain variable"
Nesim, Halyo, i United States. National Aeronautics and Space Administration. Scientific and Technical Information Division., red. A Variable-gain output feedback control design methodology. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1989.
Znajdź pełny tekst źródłaHalyo, Nesim. A variable-gain output feedback control design methodology. Hampton, Va: Langley Research Center, 1989.
Znajdź pełny tekst źródłaServices, Watson Wyatt Data. Decision maker's guide to variable pay. Rochelle Park, NJ (218 Route 17 North, Rochelle Park 07662): Watson Wyatt Data Services, 1999.
Znajdź pełny tekst źródłaOstroff, Aaron J. Application of variable-gain output feedback for high-alpha control. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1990.
Znajdź pełny tekst źródłaOstroff, Aaron J. Application of variable-gain output feedback for high-alpha control. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1990.
Znajdź pełny tekst źródłaOstroff, Aaron J. Application of variable-gain output feedback for high-alpha control. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1990.
Znajdź pełny tekst źródłaS, Mehta R., i United States. National Aeronautics and Space Administration., red. Adaptive control and noise suppression by a variable-gain gradient algorithm. [Washington, DC]: National Aeronautics and Space Administration, 1987.
Znajdź pełny tekst źródłaCenter, Langley Research, i United States. National Aeronautics and Space Administration., red. Redesign of a variable-gain output feedback longitudinal controller flown on the High-Alpha Research Vehicle. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1998.
Znajdź pełny tekst źródłaCenter, Langley Research, i United States. National Aeronautics and Space Administration., red. Redesign of a variable-gain output feedback longitudinal controller flown on the High-Alpha Research Vehicle. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1998.
Znajdź pełny tekst źródłaCenter, Langley Research, i United States. National Aeronautics and Space Administration., red. Redesign of a variable-gain output feedback longitudinal controller flown on the High-Alpha Research Vehicle. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1998.
Znajdź pełny tekst źródłaCzęści książek na temat "Amplificateur à gain variable"
Self, Douglas. "Variable Gain Stages". W Small Signal Audio Design, 199–213. Third edition. | Abingdon, Oxon ; New York, NY : Routledge, 2020.: Focal Press, 2020. http://dx.doi.org/10.4324/9781003031833-8.
Pełny tekst źródłaSelf, Douglas. "Variable gain stages". W Small Signal Audio Design, 237–52. Wyd. 4. New York: Focal Press, 2023. http://dx.doi.org/10.4324/9781003332985-8.
Pełny tekst źródłaHauser, Max W., Eric A. M. Klumperink, Robert G. Meyer i William D. Mack. "Variable-Gain, Variable-Transconductance, and Multiplication Techniques: A Survey". W Analog Circuit Design, 291–322. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4613-1443-1_14.
Pełny tekst źródłaValenta, J., K. Luterová, R. Tomasiunas, K. DohnalovÁ, B. Hönerlage i I. Pelant. "Optical Gain Measurements With Variable Stripe Length Technique". W Towards the First Silicon Laser, 223–42. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0149-6_21.
Pełny tekst źródłaZhang, Chenghui, Le Chang i Cheng Fu. "Variable Gain Control for Large-Scale Feedforward Nonlinear Systems". W Variable Gain Control and Its Applications in Energy Conversion, 83–100. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003392927-8.
Pełny tekst źródłaZhang, Chenghui, Le Chang i Cheng Fu. "Variable Gain Control for Discrete-Time Feedforward Nonlinear Systems". W Variable Gain Control and Its Applications in Energy Conversion, 71–80. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003392927-7.
Pełny tekst źródłaZhang, Chenghui, Le Chang i Cheng Fu. "Variable Gain Control for Feedforward Nonlinear Multi-Agent Systems". W Variable Gain Control and Its Applications in Energy Conversion, 101–12. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003392927-9.
Pełny tekst źródłaShtessel, Yuri, Leonid Fridman, Antonio Rosales i Chandrasekhara Bharath Panathula. "Practical Stability Phase and Gain Margins Concept". W Advances in Variable Structure Systems and Sliding Mode Control—Theory and Applications, 101–32. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-62896-7_4.
Pełny tekst źródłaChen, Sherry Xi, i Georg Seelig. "A DNA Neural Network Constructed from Molecular Variable Gain Amplifiers". W Lecture Notes in Computer Science, 110–21. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-66799-7_8.
Pełny tekst źródłaZhang, Chenghui, Le Chang i Cheng Fu. "Variable Gain Control of Three-Phase AC/DC Power Converters". W Variable Gain Control and Its Applications in Energy Conversion, 125–36. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003392927-11.
Pełny tekst źródłaStreszczenia konferencji na temat "Amplificateur à gain variable"
Li, Chun-Yi, Yu-Bin Lin i Robert Rieger. "Microwatt low-noise variable-gain amplifier". W Technology (ICICDT). IEEE, 2011. http://dx.doi.org/10.1109/icicdt.2011.5783218.
Pełny tekst źródłaRaikos, George, i Spyridon Vlassis. "0.8V bulk-driven variable gain amplifier". W 2010 17th IEEE International Conference on Electronics, Circuits and Systems - (ICECS 2010). IEEE, 2010. http://dx.doi.org/10.1109/icecs.2010.5724524.
Pełny tekst źródłaBaumgratz, Filipe D., Hao Li, Sergio Bampi i Carlos E. Saavedra. "Wideband Low Noise Variable Gain Amplifier". W SBCCI '15: 28th Symposium on Integrated Circuits and Systems Design. New York, NY, USA: ACM, 2015. http://dx.doi.org/10.1145/2800986.2801029.
Pełny tekst źródłaEmira, Ahmed, i Edgar Sánchez-Sinencio. "Variable gain amplifier with offset cancellation". W the 13th ACM Great Lakes Symposium. New York, New York, USA: ACM Press, 2003. http://dx.doi.org/10.1145/764808.764877.
Pełny tekst źródłaMoro-Frias, D., M. T. Sanz-Pascual i C. A. de la Cruz-Bias. "Linear-in-dB Variable Gain Amplifier with PWL exponential gain control". W 2010 IEEE International Symposium on Circuits and Systems - ISCAS 2010. IEEE, 2010. http://dx.doi.org/10.1109/iscas.2010.5536984.
Pełny tekst źródłaWey, Todd A., i William D. Jemison. "An automatic gain control circuit with TiO2 memristor variable gain amplifier". W 2010 8th IEEE International NEWCAS Conference (NEWCAS). IEEE, 2010. http://dx.doi.org/10.1109/newcas.2010.5603719.
Pełny tekst źródłaLi Yin, Ting-Hua Yun, Jian-Hui Wu i Long-Xing Shi. "A CMOS Low-Distortion Variable Gain Amplifier with Exponential Gain Control". W 2006 IEEE Asian Solid-State Circuits Conference. IEEE, 2006. http://dx.doi.org/10.1109/asscc.2006.357929.
Pełny tekst źródłaPark, Geon Ho, Jae Kwang Kwon, Dong Min Kang i Chul Soon Park. "A 60-GHz Variable Gain Amplifier with Phase-compensated Variable Attenuator". W 2021 IEEE 20th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SiRF). IEEE, 2021. http://dx.doi.org/10.1109/sirf51851.2021.9383343.
Pełny tekst źródłaMonsurro, Pietro, Alessandro Trifiletti i Trond Ytterdal. "A novel transimpedance amplifier with variable gain". W 2010 NORCHIP. IEEE, 2010. http://dx.doi.org/10.1109/norchip.2010.5669441.
Pełny tekst źródłaPalena, Patricia. "Variable-gain MMIC module for space application". W Orlando '91, Orlando, FL, redaktorzy Regis F. Leonard i Kul B. Bhasin. SPIE, 1991. http://dx.doi.org/10.1117/12.44484.
Pełny tekst źródłaRaporty organizacyjne na temat "Amplificateur à gain variable"
Psuty, Norbert, Christopher Menke, Katherine Ames, Andrea Aabeck i Casey Jones. Shoreline position and coastal topographical change monitoring at Assateague Island National Seashore: 2005–2020 trend report. National Park Service, kwiecień 2022. http://dx.doi.org/10.36967/nrr-2293154.
Pełny tekst źródłaTummala, Rohan, Andrew de Jesus, Natasha Tillett, Jeffrey Nelson i Christine Lamey. Clinical and Socioeconomic Predictors of Palliative Care Utilization. University of Tennessee Health Science Center, styczeń 2021. http://dx.doi.org/10.21007/com.lsp.2020.0006.
Pełny tekst źródłaOsorio, Itzel, Camillie Delevaux, Ricardo Perez-Cuevas, Gabriela García, Rene Kuster, Nanika Braithwaite, Brendalee Adderley i Luis Tejerina. Associated Factors of Healthy Lifestyle in the Bahamas. Inter-American Development Bank, styczeń 2018. http://dx.doi.org/10.18235/0009376.
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