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Journal articles on the topic 'Amplificateur à gain variable'

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Published: 7 July 2024

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1

Ginovart, F., and J. C. Simon. "Effets de longueur d'un amplificateur optique à semiconducteur sur la dynamique de gain." Journal de Physique IV (Proceedings) 12, no. 5 (June 2002): 189–91. http://dx.doi.org/10.1051/jp4:20020128.

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2

Choi, Inyoung, Heesong Seo, and Bumman Kim. "Accurate dB-Linear Variable Gain Amplifier With Gain Error Compensation." IEEE Journal of Solid-State Circuits 48, no. 2 (February 2013): 456–64. http://dx.doi.org/10.1109/jssc.2012.2227606.

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3

DUONG, Q. H., C. W. KIM, and S. G. LEE. "All CMOS Low-Power Wide-Gain Range Variable Gain Amplifiers." IEICE Transactions on Electronics E91-C, no. 5 (May 1, 2008): 788–97. http://dx.doi.org/10.1093/ietele/e91-c.5.788.

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4

CHA, S. "A CMOS IF Variable Gain Amplifier with Exponential Gain Control." IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E88-A, no. 2 (February 1, 2005): 410–15. http://dx.doi.org/10.1093/ietfec/e88-a.2.410.

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5

OHTSU, Kohei, Kristoffer KVAM, Thor I. FOSSEN, and 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.

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6

Zhang, Jing Zhi. "A 520MHz Wideband Variable Gain Amplifier." Applied Mechanics and Materials 556-562 (May 2014): 1564–67. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.1564.

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The design and realization of a wideband variable gain amplifier for RF system is presented. The cascade of LNA and controllable attenuation makes the design have a 0-90dB gain adjustment range. Special care is devoted to the solution of typical problems encountered in the design of the amplifier, such as signal shielding and power supply decoupling. The amplifier uses passive amplitude-frequency equalization, 0.1-460MHz band variation is less than 1dB, the 3dB bandwidth is up to 520MHz. The noise characteristic is low, the total input referred noise is less than 15.5nV⁄√¯Hz.

7

Hunnekens, Bram, Sjors Kamps, and Nathan Van De Wouw. "Variable-Gain Control for Respiratory Systems." IEEE Transactions on Control Systems Technology 28, no. 1 (January 2020): 163–71. http://dx.doi.org/10.1109/tcst.2018.2871002.

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8

Liu, W., W. Liu, and S. K. Wei. "CMOS exponential-control variable gain amplifiers." IEE Proceedings - Circuits, Devices and Systems 151, no. 2 (2004): 83. http://dx.doi.org/10.1049/ip-cds:20040111.

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9

Carlosena, A., and G. S. Moschytz. "Design of variable-gain current conveyors." IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications 41, no. 1 (1994): 79–81. http://dx.doi.org/10.1109/81.260229.

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10

Balteanu, F., and M. Cloutier. "Charge-pump controlled variable gain amplifier." Electronics Letters 34, no. 9 (1998): 838. http://dx.doi.org/10.1049/el:19980644.

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11

Lee, Heejin, Dong-Yon Kim, Taeck-Kie Lee, Sang-Hoon Kim, and Mignon Park. "Tracking Control of Variable Structure Using Fuzzy Variable Boundary Layer." Journal of Advanced Computational Intelligence and Intelligent Informatics 3, no. 4 (August 20, 1999): 332–38. http://dx.doi.org/10.20965/jaciii.1999.p0332.

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Control gain greatly affects variable structure system (VSS) performance as a system design parameter. The thin boundary layer used to eliminate chatter neighbors the sliding surface. Sliding control based on a variable boundary layer tracks better than a fixed layer. We propose variable structure control using fuzzy algorithms in control gain and the boundary layer to increase tracking efficiency, proving its feasibility in application to a simple nonlinear system.

12

Chen, Chun-Chieh, Nan-Ku Lu, and Yi-Zhi Zeng. "Low gain error, linear-in-dB variable gain amplifier with programmable gain range and gain steps." AEU - International Journal of Electronics and Communications 64, no. 12 (December 2010): 1203–6. http://dx.doi.org/10.1016/j.aeue.2009.12.007.

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13

Chen, Fei-hua, Xin-zhong Duo, and Xiao-wei Sun. "A CMOS Wideband Variable Gain LNA with Novel Gain Control Method." Journal of Electronics & Information Technology 32, no. 11 (December 10, 2010): 2772–75. http://dx.doi.org/10.3724/sp.j.1146.2009.01418.

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14

Lee, Hui Dong, Kyung Ai Lee, and Songcheol Hong. "A Wideband CMOS Variable Gain Amplifier With an Exponential Gain Control." IEEE Transactions on Microwave Theory and Techniques 55, no. 6 (June 2007): 1363–73. http://dx.doi.org/10.1109/tmtt.2007.896787.

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15

Klumperink, E. A. M., and E. Seevinck. "MOS current gain cells with electronically variable gain and constant bandwidth." IEEE Journal of Solid-State Circuits 24, no. 5 (October 1989): 1465–67. http://dx.doi.org/10.1109/jssc.1989.572648.

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16

Bai, Chunfeng, Jianhui Wu, and Xiaoying Deng. "A Review of CMOS Variable Gain Amplifiers and Programmable Gain Amplifiers." IETE Technical Review 36, no. 5 (August 22, 2018): 484–500. http://dx.doi.org/10.1080/02564602.2018.1507766.

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17

Wey, Todd, and William Jemison. "An automatic gain control circuit with TiO2 memristor variable gain amplifier." Analog Integrated Circuits and Signal Processing 73, no. 3 (April 19, 2012): 663–72. http://dx.doi.org/10.1007/s10470-012-9860-5.

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18

Xu, Huimin, Xuedong Zhang, and Xiangjie Liu. "Predictive Variable Gain Iterative Learning Control for PMSM." Journal of Control Science and Engineering 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/353712.

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A predictive variable gain strategy in iterative learning control (ILC) is introduced. Predictive variable gain iterative learning control is constructed to improve the performance of trajectory tracking. A scheme based on predictive variable gain iterative learning control for eliminating undesirable vibrations of PMSM system is proposed. The basic idea is that undesirable vibrations of PMSM system are eliminated from two aspects of iterative domain and time domain. The predictive method is utilized to determine the learning gain in the ILC algorithm. Compression mapping principle is used to prove the convergence of the algorithm. Simulation results demonstrate that the predictive variable gain is superior to constant gain and other variable gains.

19

Zhang, Dianwei, Fei Chu, Wu Wen, and Ze Cheng. "A large gain variable range, high linearity, lownoise, low DC offset VGAs used in BD system." MATEC Web of Conferences 355 (2022): 03050. http://dx.doi.org/10.1051/matecconf/202235503050.

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In this paper, a large gain variable range, high linearity, low noise, low DC offset VGAs with a simple gain-dB variable circuit are introduced. In the VGAs chain, the last and the first VGAs employ Bipolar transistors, to improve the linearity and noise characteristics. And the middle three stages VGAs employ MOS transistors. The whole circuitry is designed in 0.35um BiCMOS process, including variable gain amplifiers (VGAs) , fixed gain amplifiers , gain control and DC offset cancellation parts. The automatic gain control loop (AGC) provides a process independent gain variable range of 60dB (including 50dB gain-dB-linearity variable range), with a 200us loop lock time, the VGAs provide a 73dB largest gain, the THD is less than 1% at a 1V(P-P) output level; the equivalent output integral noise is 0.011v/√hz@20MHz bandwidth. The whole area is 1173um*494 um, and the power is 7.1mA at 3.3V signal supply voltage.

20

Ilka, Adrian, and Vojtech Veselý. "Gain–Scheduled Controller Design: Variable Weighting Approach." Journal of Electrical Engineering 65, no. 2 (March 1, 2014): 116–20. http://dx.doi.org/10.2478/jee-2014-0017.

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Abstract Among the most popular approaches to non-linear control is gain-scheduled (GS) controller, which can have better performance than robust and other ones. Our approach is based on a consideration that in linear parameter varying (LPV) system, scheduling parameters and their derivatives with respect to time are supposed to lie in a priori given hyper rectangles. To access the performance quality a new quadratic cost function is used, where weighting matrices are time varying depends on scheduled parameter. The class of control structure includes decentralised fixed order output feedbacks like PID controller. Numerical examples illustrate the effectiveness of the proposed approach.

21

Choi, Ye-Ji, and Jee-Youl Ryu. "Design of Low-Power Variable Gain Amplifier." Journal of Institute of Control, Robotics and Systems 28, no. 1 (January 31, 2022): 1–5. http://dx.doi.org/10.5302/j.icros.2022.21.0138.

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22

Heertjes, Marcel F. "Variable Gain Motion Control of Wafer Scanners." IEEJ Journal of Industry Applications 5, no. 2 (2016): 90–100. http://dx.doi.org/10.1541/ieejjia.5.90.

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23

Rajesh, Reghunadhan, and M. Ramachandra Kaimal. "Variable Gain Takagi–Sugeno Fuzzy Logic Controllers." Informatica 17, no. 3 (January 1, 2006): 427–44. http://dx.doi.org/10.15388/informatica.2006.147.

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24

Gonzalez, Tenoch, Jaime A. Moreno, and Leonid Fridman. "Variable Gain Super-Twisting Sliding Mode Control." IEEE Transactions on Automatic Control 57, no. 8 (August 2012): 2100–2105. http://dx.doi.org/10.1109/tac.2011.2179878.

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25

Asgari, Vahid, and Leonid Belostotski. "Wideband 28-nm CMOS Variable-Gain Amplifier." IEEE Transactions on Circuits and Systems I: Regular Papers 67, no. 1 (January 2020): 37–47. http://dx.doi.org/10.1109/tcsi.2019.2942492.

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26

Gardner, L. A., and R. J. Mullen. "Constant gain tracker with variable frame time." IEEE Transactions on Aerospace and Electronic Systems 24, no. 4 (July 1988): 322–36. http://dx.doi.org/10.1109/7.7173.

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27

Zhou, Zhendong, and Branka Vucetic. "Multiplexing Gain of Variable-Rate MIMO Systems." IEEE Communications Letters 11, no. 4 (April 2007): 289–91. http://dx.doi.org/10.1109/lcom.2007.348277.

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28

Koren, Y., and Ch Ch Lo. "Variable-Gain Cross-Coupling Controller for Contouring." CIRP Annals 40, no. 1 (1991): 371–74. http://dx.doi.org/10.1016/s0007-8506(07)62009-5.

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29

Zhong-xi, Hui. "High-gain FEL with variable parameter wigglers." International Journal of Infrared and Millimeter Waves 10, no. 6 (June 1989): 651–60. http://dx.doi.org/10.1007/bf01009566.

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30

Chaudhry, Q., R. Alidio, G. Sakamoto, and T. Cisco. "A SiGe MMIC variable gain cascode amplifier." IEEE Microwave and Wireless Components Letters 12, no. 11 (November 2002): 424–25. http://dx.doi.org/10.1109/lmwc.2002.805533.

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31

Thanachayanont, Apinunt. "Low-voltage compact CMOS variable gain amplifier." AEU - International Journal of Electronics and Communications 62, no. 6 (June 2008): 413–20. http://dx.doi.org/10.1016/j.aeue.2007.06.002.

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32

El-Gabaly, A. M., and C. E. Saavedra. "Wideband variable gain amplifier with noise cancellation." Electronics Letters 47, no. 2 (2011): 116. http://dx.doi.org/10.1049/el.2010.3226.

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33

Maula, K. L. I. "Variable gain control circuit for linear applications." Electronics Letters 36, no. 20 (2000): 1682. http://dx.doi.org/10.1049/el:20001215.

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34

Wang, H. F. "Rule-based variable-gain power system stabiliser." IEE Proceedings - Generation, Transmission and Distribution 142, no. 1 (1995): 29. http://dx.doi.org/10.1049/ip-gtd:19951572.

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35

Floc'h, J. M., and L. Desclos. "Variable gain amplifier with traveling wave structure." Microwave and Optical Technology Letters 7, no. 12 (August 20, 1994): 539–42. http://dx.doi.org/10.1002/mop.4650071203.

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36

Kojima, Toshiharu, Akinori Fujimura, Makoto Miyake, Tadashi Fujino, Hideo Yoshida, and Atsuhiro Yamagishi. "Concatenated coding scheme with variable coding gain." Electronics and Communications in Japan (Part III: Fundamental Electronic Science) 76, no. 3 (1993): 91–104. http://dx.doi.org/10.1002/ecjc.4430760310.

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37

Nurainun, Basaria Manurung, Kurniani, Arni, and Surati. "Factors Affecting the Event of Anemia in Pregnant Women Trimester III in Puskesmas Namorambe Districts Deli Serdang Year 2022." Science Midwifery 10, no. 4 (November 1, 2022): 3429–32. http://dx.doi.org/10.35335/midwifery.v10i4.845.

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Injectable contraception is a way to prevent pregnancy by means of hormonal injections, this type of hormonal contraceptive injection in Indonesia is increasingly being used, the more it is used because of its effective work, practical use, relatively cheap and safe price. This study aims to determine the relationship between the use of 3-month injectable family planning and weight gain in women of childbearing age at the Maga Health Center, Mandailing Natal Regency in 2022.This type of research is an analytical survey with a cross sectional approach. The population is all pregnant women who are at the Maga Health Center, Mandailing Natal Regency in 2022, totaling 36 pregnant women. The number of samples used is 52 people obtained by using purposive sampling technique. Data analysis technique using chi square.The results obtained in this study were from 52 respondents, there was a relationship between the knowledge variable and weight gain with a p value = 0.001, there was a relationship between the variable length of use and weight gain with a p value = 0.002, there was a relationship between the age variable and weight gain body with a value of p = 0.002, there is a relationship between the education variable and weight gain with a p value = 0.003 and there is a relationship between the work variable and weight gain with a p value = 0.001. there is a relationship between the knowledge variable and weight gain, there is a relationship between the variable duration of use and weight gain, there is a relationship between the age variable and weight gain, there is a relationship between the education variable and weight gain and there is a relationship between the work variable and the increase weight. It is suggested to the puskesmas to increase the knowledge of mothers to increase counseling related to the use of injectable contraception.

38

Mayanti, Asri, Diah Pitaloka, Lesri Tampubolon, Rosmanidar, and Shinta Devi. "Relationship Of Mother's Knowledge And Attitude With Supplementary Feeding (MP-ASI) In Children Aged 6-24 Months In Village Namo Mbelin Districts Deli Serdang Year 2022." Science Midwifery 10, no. 4 (October 30, 2022): 3436–39. http://dx.doi.org/10.35335/midwifery.v10i4.847.

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Abstract:

Injectable contraception is a way to prevent pregnancy by means of hormonal injections, this type of hormonal contraceptive injection in Indonesia is increasingly being used, the more it is used because of its effective work, practical use, relatively cheap and safe price. This study aims to determine the relationship between the use of 3-month injectable family planning and weight gain in women of childbearing age at the Maga Health Center, Mandailing Natal Regency in 2022.This type of research is an analytical survey with a cross sectional approach. The population is all pregnant women who are at the Maga Health Center, Mandailing Natal Regency in 2022, totaling 36 pregnant women. The number of samples used is 52 people obtained by using purposive sampling technique. Data analysis technique using chi square.The results obtained in this study were from 52 respondents, there was a relationship between the knowledge variable and weight gain with a p value = 0.001, there was a relationship between the variable length of use and weight gain with a p value = 0.002, there was a relationship between the age variable and weight gain body with a value of p = 0.002, there is a relationship between the education variable and weight gain with a p value = 0.003 and there is a relationship between the work variable and weight gain with a p value = 0.001. there is a relationship between the knowledge variable and weight gain, there is a relationship between the variable duration of use and weight gain, there is a relationship between the age variable and weight gain, there is a relationship between the education variable and weight gain and there is a relationship between the work variable and the increase weight. It is suggested to the puskesmas to increase the knowledge of mothers to increase counseling related to the use of injectable contraception.

39

Lin, Nan, Fei Fang, Zhi-Liang Hong, and Hao Fang. "A broadband linear-in-decibel variable gain amplifier with low gain error." Analog Integrated Circuits and Signal Processing 76, no. 1 (May 21, 2013): 73–80. http://dx.doi.org/10.1007/s10470-013-0079-x.

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40

Kouno, Susumu. "A Sensitivity Variable Tactile Sensor with Self-Tuner." Journal of Robotics and Mechatronics 18, no. 1 (February 20, 2006): 83–88. http://dx.doi.org/10.20965/jrm.2006.p0083.

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We propose an approach for changing tactile sensor gain based on how much force is imparted to the sensor, so the sensor maintains a wide dynamic range. Assuming a strain-gauge-based tactile sensor, we propose a DC current approach with stability guaranteed. We provide two theorems - saturation condition giving gain leading to saturation, and stability condition giving gain leading to instability. We demonstrate experimental results and simulation results.

41

Abdul-Wahab, Omar W. "DESIGN OF A VARIABLE GAIN NONLINEAR FUZZY CONTROLLER AND PERFORMANCE ENHANCEMENT DUE TO GAIN VARIATION." Journal of Engineering 18, no. 03 (July 21, 2023): 309–19. http://dx.doi.org/10.31026/j.eng.2012.03.04.

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In this paper, variable gain nonlinear PD and PI fuzzy logic controllers are designed and the effect of the variable gain characteristic of these controllers is analyzed to show its contribution in enhancing the performance of the closed loop system over a conventional linear PID controller. Simulation results and time domain performance characteristics show how these fuzzy controllers outperform the conventional PID controller when used to control a nonlinear plant and a plant that has time delay.

42

Kong, Lingshan, Yong Chen, Haohong Yu, Chirn Chye Boon, Pui-In Mak, and Rui P. Martins. "Wideband Variable-Gain Amplifiers Based on a Pseudo-Current-Steering Gain-Tuning Technique." IEEE Access 9 (2021): 35814–23. http://dx.doi.org/10.1109/access.2021.3062360.

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43

Choma, J. "Gain and bandwidth characteristics of a variable-gain, actively neutralized bipolar differential pair." IEEE Transactions on Circuits and Systems 33, no. 1 (January 1986): 66–71. http://dx.doi.org/10.1109/tcs.1986.1085830.

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44

Wang, Z. "Two CMOS large current-gain cells with linearly variable gain and constant bandwidth." IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications 39, no. 12 (1992): 1021–24. http://dx.doi.org/10.1109/81.207727.

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45

Sedighi, Behnam, and Mehrdad Sharif Bakhtiar. "Variable gain current mirror for high-speed applications." IEICE Electronics Express 4, no. 8 (2007): 277–81. http://dx.doi.org/10.1587/elex.4.277.

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46

Gan, Yizhen, and Qingshan Zeng. "Variable Gain Iterative Learning Control with Forgetting Factor." IOP Conference Series: Materials Science and Engineering 394 (August 7, 2018): 052082. http://dx.doi.org/10.1088/1757-899x/394/5/052082.

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47

Chang, C. C., M. L. Lin, and S. I. Liu. "CMOS current-mode exponential-control variable-gain amplifier." Electronics Letters 37, no. 14 (2001): 868. http://dx.doi.org/10.1049/el:20010593.

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48

Mahdavi, S., A. Soltani, M. Jafarzadeh, and T. Moradi Khanshan. "A novel method to design variable gain amplifier." Journal of Fundamental and Applied Sciences 8, no. 2 (August 22, 2016): 1003. http://dx.doi.org/10.4314/jfas.v8i2s147.

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49

De Ridder, T., P. Ossieur, X. Yin, B. Baekelandt, C. Mélange, J. Bauwelinck, X. Z. Qiu, and J. Vandewege. "BiCMOS variable gain transimpedance amplifier for automotive applications." Electronics Letters 44, no. 4 (2008): 287. http://dx.doi.org/10.1049/el:20083101.

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50

NAIR, R. A. "High gain variable beam feed for satellite communications." International Journal of Electronics 68, no. 4 (April 1990): 595–609. http://dx.doi.org/10.1080/00207219008921204.

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