Relevant bibliographies by topics / Coupled inductor filters

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Academic literature on the topic 'Coupled inductor filters'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Coupled inductor filters"

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Al Khoury, Michel, Bernard Jarry, Bruno Barelaud, and Julien Lintignat. "BiCMOS tunable bandpass filters with coupled-inductor Q-enhancement." Microwave and Optical Technology Letters 58, no. 10 (July 27, 2016): 2396–402. http://dx.doi.org/10.1002/mop.30051.

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Bantas, S., and Y. Koutsoyannopoulos. "CMOS active-LC bandpass filters with coupled-inductor Q-enhancement and center frequency tuning." IEEE Transactions on Circuits and Systems II: Express Briefs 51, no. 2 (February 2004): 69–76. http://dx.doi.org/10.1109/tcsii.2003.821521.

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Matz, Richard, Dieter Götsch, Thomas Goßner, Roman Karmazin, Ruth Männer, and Bernhard Siessegger. "Power Inductors in Ceramic Multilayer Circuit Boards." Journal of Microelectronics and Electronic Packaging 5, no. 4 (October 1, 2008): 161–68. http://dx.doi.org/10.4071/1551-4897-5.4.161.

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Power electronic inductors, with values of several μH, have been integrated into thermally stable ceramic multilayer circuit boards by the use of NiZnCu and MnZn ferrite tapes in low temperature cofired ceramic (LTCC) technology. These ferrites are particularly attractive for switched mode power supplies in automation, drives, and consumer applications, where the miniaturization of modules is triggered by advances in transistor technology and switching frequencies. The small signal analysis of embedded individual inductors and coupled transformer coils reveals the generic design rules for these components and additional materials properties beyond those accessible by ring core measurements. In the process of adapting the materials to LTCC, the distinct differences between the two materials become blurred, for example, they can be engineered to exhibit similar cutoff frequencies. NiZnCu ferrite, which is sinterable in air, may even achieve higher permeability than MnZn ferrite. The latter, however, shows higher saturation flux density and current capacity of buried inductors for power line filters. The coupled inductor design in a transformer is particularly ruled by the shunt capacitance inside the coils and by the fact that Maxwell equations preclude strong magnetic coupling between ferrite-embedded conductor lines. While parasitic capacitances remain tolerable for standard dielectric layer material up to several MHz, the need for magnetic coupling requires a fabrication process for magnetic vias.
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Xue, Gang, Baichao Chen, Cuihua Tian, Jiaxin Yuan, Yuxiong Zhou, Guanru Chen, Yao Luo, and Yaojun Chen. "A Novel Hybrid Active Power Filter with Multi-Coupled Coils." Electronics 10, no. 9 (April 22, 2021): 998. http://dx.doi.org/10.3390/electronics10090998.

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This paper proposes a hybrid active power filter (HAPF) with multi-coupled coils, applied to a medium- and high-voltage power grid. The passive filter of the proposed HAPF adopts the structure of multi-coupled coils to compress the traditional multiple LC branches into one branch which presents the same harmonic impedance characteristics as the former multiple LC branches. In the active power filter of the HAPF, a coupled inductor, instead of a transformer, is used to connect with the passive filter. The coupled inductor has mutual inductances with inductors of the passive filter. Through spatial magnetic coupling, the active power filter can inject compensation current into the power grid to eliminate the residual harmonics and absorb active power from the power grid to maintain the DC capacitor voltage. When the active power filter is open-circuited or short-circuited, the filtering effect of the passive filter can still be guaranteed, which improves the reliability of the filter. The benefits of the proposed HAPF with excellent harmonic filtering performance are that the inductors occupy only 1/3 space as compared with traditional three-tuned LC filter, and very small power of the active power filter. The feasibility of the proposed HAPF is verified through simulations and experiment.
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Miljanović, Dejan, Milka Potrebić, and Dejan V. Tošić. "Design of Microwave Multibandpass Filters with Quasilumped Resonators." Mathematical Problems in Engineering 2015 (2015): 1–14. http://dx.doi.org/10.1155/2015/647302.

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Design of RF and microwave filters has always been the challenging engineering field. Modern filter design techniques involve the use of the three-dimensional electromagnetic (3D EM) solvers for predicting filter behavior, yielding the most accurate filter characteristics. However, the 3D EM simulations are time consuming. In this paper, we propose electric-circuit models, instead of 3D EM models, suitable for design of RF and microwave filters with quasilumped coupled resonators. Using the diakoptic approach, the 3D filter structure is decomposed into domains that are modeled by electric networks. The coupling between these domains is modeled by capacitors and coupled inductors. Furthermore, we relate the circuit-element values to the physical dimensions of the 3D filter structure. We propose the filter design procedure that is based on the circuit models and fast circuit-level simulations, yielding the element values from which the physical dimensions can be obtained. The obtained dimensions should be slightly refined for achieving the desired filter characteristics. The mathematical problems encountered in the procedure are solved by numerical and symbolic computations. The procedure is exemplified by designing a triple-bandpass filter and validated by measurements on the fabricated filter. The simulation and experimental results are in good agreement.
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Balog, Robert S., and Philip T. Krein. "Coupled-Inductor Filter: A Basic Filter Building Block." IEEE Transactions on Power Electronics 28, no. 1 (January 2013): 537–46. http://dx.doi.org/10.1109/tpel.2012.2186828.

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Choma, John. "Coupled inductor, constant resistance, broadband delay filter." Analog Integrated Circuits and Signal Processing 54, no. 1 (December 4, 2007): 7–20. http://dx.doi.org/10.1007/s10470-007-9115-z.

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Do, Hyun Lark. "Analysis and Implementation of a Zero-Voltage-Switching Zeta Converter." Advanced Materials Research 424-425 (January 2012): 1199–202. http://dx.doi.org/10.4028/www.scientific.net/amr.424-425.1199.

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A zero-voltage-switching (ZVS) Zeta converter is proposed in this paper. Two separate inductors in the conventional Zeta converter are magnetically coupled in the proposed converter. The output diode is replaced with an active switch. Also, an auxiliary inductor is utilized. The ZVS operation of both main and auxiliary switches is achieved and the switching loss is significantly reduced. Moreover, the ripple component of the output inductor current is effectively removed and the output filter stage can be simplified. To verify the feasibility and performance of the proposed converter, an experimental prototype was built and tested.
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Pasko, Szymon Wojciech, Marian K. Kazimierczuk, and Boguslaw Grzesik. "Self-Capacitance of Coupled Toroidal Inductors for EMI Filters." IEEE Transactions on Electromagnetic Compatibility 57, no. 2 (April 2015): 216–23. http://dx.doi.org/10.1109/temc.2014.2378535.

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Russi, J. L., M. L. da Silva Martins, and H. L. Hey. "Coupled-Filter-Inductor Soft-Switching Techniques: Principles and Topologies." IEEE Transactions on Industrial Electronics 55, no. 9 (September 2008): 3361–73. http://dx.doi.org/10.1109/tie.2008.927983.

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Dissertations / Theses on the topic "Coupled inductor filters"

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Fröhlich, Lubomír. "Aktivní kmitočtové filtry pro vyšší frekvence." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-233616.

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This thesis deals with the synthesis and optimization of frequency analogue filters with modern active elements usable for higher frequencies. The thesis is divided into three parts, the first part deals with the problematic concerning Leap-Frog combined ARC structure. Due to a difficult design, this method is not described in a detail and used in practice, although it shows e.g. low sensitivity. Firstly, a complete analysis of individual filters was made (for and T endings) and consequently these findings were used during implementation of this method to NAF program. Finally, samples of real filters were realized (for verification of functioning and correct design). Another very interesting topic concerning filters is usage of coupled band-pass for small bandwidth, where it is necessary to solve the problems concerning ratio of building elements values, but also price, quality, size of coils, sensitivity, Q factors, coefficients etc. That is why in practice a coil is very often substituted with other equivalent lossy and lossless blocks which create ARC filters structure. The design and the possibility of usage of lossy grounded elements were described here (such as synthetic inductors, frequency dependent negative resistor). Some parts of the design are individual computer sensitivity analysis, setting of usage and quality comparison of individual lossy grounded blocks. Besides, a program for these elements was created, it is useful for a quick design and depiction of transfer characteristics. The third part deals with the usage of tuning universal filters consisting three or more operational amplifiers, which secures its universality and possibility to create different kinds of transfer characteristic. In practice, Akerberg - Mossberg and Kerwin - Huelsman - Newcomb are the most used types of filters. These were also compared with less common universal filters. In the end, the possibility of digital tuning of universal filter with the help of digital potentiometers for filters of 10th order and frequency around 1 MHz was shown.
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Chen, Rui. "Analysis and Design of a DCM SEPIC PFC with Adjustable Output Voltage." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/51664.

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Power Factor Correction rectifiers are widely adopted as the first stage in most grid-tied power conversion systems. Among all PFC converts for single phase system, Boost PFC is the most popular one due to simplicity of structure and high performance. Although the efficiency of Boost PFC keeps increasing with the evolution of semiconductor technology, the intrinsic feature of high output voltage may result cumbersome system structure with multiple power conversion stages and even diminished system efficiency. This disadvantage is aggravated especially in systems where resonant converters are selected as second stage. Especially for domestic induction cooker application, step-down PFC with wide range output regulation capability would be a reasonable solution, Conventional induction cooker is composed by input filter, diode-bridge rectifier, and full bridge or half bridge series resonant circuit (SRC). High frequency magnetic field is induced through the switching action to heat the pan. The power level is usually controlled through pulse frequency modulation (PFM). In such configuration, first, a bulky input differential filter is required to filter out the high frequency operating current in SRC. Second, as the output power decreases, the operating point of SRC is moved away from the optimum point, which would result large amount circulating energy. Third, when the pan is made of well conducting and non-ferromagnetic material such as aluminum, due to the heating resistance become much smaller and peak output voltage of the switching bridge equals to the peak voltage of the grid, operating the SRC at the series resonant frequency can result excessive current flowing through the switch and the heating coil. Thus for pan with smaller heating resistance, even at maximum power, the operating frequency is pushed further away from the series resonant point, which also results efficiency loss. To address these potential issues, a PFC circuit features continuous conducting input current, high power factor, step-down capability and wide range output regulation would be preferred. The Analysis and design work is present in this article for a non-isolated hard switching DCM SEPIC PFC. Due to DCM operation of SPEIC converter, wide adjustable step-down output voltage, continuous conduction of input current and elimination of reverse recovery loss can be achieved at same time. The thesis begins with circuit operation analysis for both DC-DC and PFC operation. Based on averaged switching model, small signal model and corresponding transfer functions are derived. Especially, the impact from small intermediate capacitor on steady state value are discussed. With the concept of ripple steering, theoretic analysis is applied to SEPIC converter with two coupled inductors. The results indicate if the coupling coefficient is well designed, the equivalent input inductance can be multiple times larger than the self-inductance. Because of this, while maintaining input current ripple same, the two inductors of SEPIC can be implemented with two smaller coupled inductors. Thus both the total volume of inductors and the total number of windings can be reduced, and the power density and efficiency can be improved. Based on magnetic reluctance model, a corresponding winding scheme to control the coupling coefficient between two coupled inductors is analyzed. Also the impact of coupled inductors on the small signal transfer function is discussed. For the voltage follower control scheme of DCM PFC, single loop controller and notch filter design are discussed. With properly designed notch filter or the PR controller in another word, the closed loop bandwidth can be increased; simple PI controller is sufficient to achieve high power factor; THD of the input current can be greatly reduced. Finally, to validate the analysis and design procedure, a 1 kW prototype is built. With 120 Vrms AC input, 60V to 100V output, experimental results demonstrate unity power factor, wide output voltage regulation can be achieved within a single stage, and the 1 kW efficiency is around 93%.
Master of Science
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Shadmand, Mohammad. "A Design-Oriented Framework to Determine the Parasitic Parameters of High Frequency Magnetics in Switching Power Supplies using Finite Element Analysis Techniques." Thesis, 2012. http://hdl.handle.net/1969.1/ETD-TAMU-2012-05-11082.

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Magnetic components, such as inductors and transformers, have important effects on the efficiency and performance of switching power supplies; their parasitic properties directly impact the high frequency properties which can cause lot-to-lot variation or unanticipated and non-ideal operation. They are also amongst the most problematic components to design, often requiring numerous design-prototype-test interactions. The electrostatic and electromagnetic analysis of wound components has become more important recently to predict their performance and frequency behavior. Accurate prediction and design of winding parasitic parameters of leakage inductance and winding capacitance for high frequency inductors and transformers in switching power supplies is fundamental to improve performance, lower cost, and speed time to market. This thesis presents a methodology and process to obtain accurate prediction of the inter- and intra-winding capacitances of high frequency magnetic components. Application examples considered are a single-winding choke, a coupled inductor filter, and a multi-winding transformer. Analytical approach for determination of parasitic capacitances in high frequency magnetic components will be covered also. Comparison of the FEA results using JMAG with experimental and empirical formula results show good agreement, supporting the method as a model-based design tool with the potential to significantly reduce the design-prototype-test cycle commonly needed with sophisticated magnetic designs.
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Yeh, Ching-Chiang, and 葉清強. "A Novel Zero Ripple Coupled-inductor Filter." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/27980010668027827318.

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Hung, Chen Ching, and 陳慶鴻. "Design and Implementation of Coupled Inductor Voltage Control Oscillator and Gap Coupled Filter Amplifier." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/rt8y7e.

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碩士
國立交通大學
電信工程系所
92
This thesis presents the design of Voltage Control Voltage and Power Amplifier. First, we use GCT 2.0 um InGap/GaAs HBT process to implement 6.2GHz Coupled Inductor Differential Phase Voltage Control Oscillator and 5.5GHz Coupled Inductor Quadrature Phase Voltage Control Oscillator. The supply voltage of 6.2GHz DVCO is 6V and the phase noise is -110.22dBc/Hz@1MHz, the output power is -8.2 dBm and the tuning range is 200MHz. The supply voltage of 5.5GHz QVCO is 4V and the phase noise is -108.92dBc/Hz@1MHz, the output power is -3.5 dBm and the tuning range is 120MHz. We measure VCO circuit on board level to avoid the noise of power supply. We complete the design flow of impedance transform filter and use WIN 0.15 um pHemt process to simulate and implement 60GHz microstrip type Gap Coupled Filter Amplifier and 60GHz coplanar waveguide type Gap Coupled Filter Amplifier. We will measure it at NDL.
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Chang, Chih-Chao, and 張智超. "The design of 2.4 GHz band-pass filter using coupled inductors and 10 GHz band-pass filters using rectangular ring resonators." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/72714952358654215587.

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碩士
臺灣大學
電子工程學研究所
95
There are two parts in this thesis. The first part is the design of band-pass filters for WLAN using the BCB process and the coupled inductors to reduce the required area. The second part is the design of band-pass filters for radar vehicles’ detectors using the two transmission zeros from the structure of the rectangular ring resonators. The transmission zeros are realized using the parasitic capacitance at the corner of microstrip lines in the rectangular ring resonators. We also derive the equations to predict the transmission zero and dual-mode frequencies of resonators. Those frequencies will change when the length and width of rectangular resonators change. Finally, we implement the rectangular ring resonators using the alumina and LTCC process.
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Chang, Chih-Chao. "The design of 2.4 GHz band-pass filter using coupled inductors and 10 GHz band-pass filters using rectangular ring resonators." 2007. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2707200717374600.

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JIUNG-CHI-WEN and 溫炯祺. "Analysis and Design of the RF Band Pass Filter Based on the Planar Coupled Inductors." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/42484099940300555572.

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碩士
華梵大學
電子工程學系碩士班
103
In this thesis, a high rejection rate band-pass filter, nowadays, communications products, increasing the relative spectral channels become congested, in the frequency band can be used to suppress the property must be improved, it will not interfere with each other between systems problems with the development trend of modern electronic communication products, the light, thin, short, small, inexpensive, nothing more than to design products in this direction, it is also the industry and academia to discuss the research. As a result of similar bands and modes of operation of the electromagnetic spectrum is limited and shared, while increasing communication channel between 3G and WiFi systems interference must use high rejection rate band pass filter. Use three jumper coupled inductors form a resonance circuit, the filter bandwidth and band signal suppression rate will have significantly improved, and the use of low-temperature co-fired ceramic (low temperature co-firedceramic: LTCC) specification of the design process miniaturized circuit . This paper first describes the characteristics of the coupled inductor, impedance and admittance CVTs characteristics and analysis describes how to convert impedance circuit architecture or admittance CVTs again is theoretical analysis of this paper, the use of analytical procedures deduction for each component values admittance CVTs and capacitance values ​​formulas, reuse MATLAB calculates each component values ​​and high and low frequency analysis of the zero position, the value is substituted into the ADS simulation obtained the desired frequency response plot, the design center frequency is 2.45GHz ~ 2.5GHz You can use the transmission band.
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Conference papers on the topic "Coupled inductor filters"

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Lo, Kuo-Yuan, Chun-Lien Su, J. M. Guerrero, and Yacine Terriche. "Improving Short-Circuit Currents in DC Microgrids Using Coupled-Inductor Filters." In 2020 6th IEEE International Energy Conference (ENERGYCon). IEEE, 2020. http://dx.doi.org/10.1109/energycon48941.2020.9236452.

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Vaesen, Kristof, Geert Carchon, Walter de Raedt, and Eric Beyne. "Area Optimized Thin Film Coupled Inductor Band Pass Filters with Integrated Baluns." In 2008 10th Electronics Packaging Technology Conference (EPTC). IEEE, 2008. http://dx.doi.org/10.1109/eptc.2008.4763444.

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Strzelecki, Ryszard, Tomasz Sak, Lukasz Roslaniec, Zolov Pavel Dmitrovic, and Natalia Strzelecka. "Coupled inductors based filter for matrix converters." In 2016 10th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG). IEEE, 2016. http://dx.doi.org/10.1109/cpe.2016.7544214.

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Chao He, Chuan Xie, and Guozhu Chen. "Study on Shunt Active Power Filters with coupled inductors." In 2011 IEEE 20th International Symposium on Industrial Electronics (ISIE). IEEE, 2011. http://dx.doi.org/10.1109/isie.2011.5984198.

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CUELLAR, Carlos, and Nadir IDIR. "Design of Coupled Common-Differential Inductors for EMI filters." In 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE). IEEE, 2019. http://dx.doi.org/10.1109/isie.2019.8781181.

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Russi, J. L., J. R. Pinheiro, H. L. Hey, and M. L. da Silva Martins. "Coupled Filter Inductor Soft-Switching Techniques: A Generic Approach." In 2007 IEEE International Symposium on Industrial Electronics. IEEE, 2007. http://dx.doi.org/10.1109/isie.2007.4374720.

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Lu, Hsin-Chia, Tzu-Wei Chao, Tuck-Boon Chan, and Yien-Tien Chou. "LTCC layer-to-layer misalignment resistant coupled inductor and bandpass filter." In 2009 IEEE MTT-S International Microwave Symposium Digest (MTT). IEEE, 2009. http://dx.doi.org/10.1109/mwsym.2009.5166021.

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Garg, Mukul, and R. K. Singh. "Coupled inductor boost converter with enhanced ESR filter capacitor for DC microgrid applications." In 2015 IEEE International Conference on Industrial Technology (ICIT). IEEE, 2015. http://dx.doi.org/10.1109/icit.2015.7125222.

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Jiang, Lixin, Qianhong Chen, and Xiaoyong Ren. "Analysis of a novel coupled inductor for LCL filter in grid-connected inverter." In 2016 IEEE 2nd Annual Southern Power Electronics Conference (SPEC). IEEE, 2016. http://dx.doi.org/10.1109/spec.2016.7846151.

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Hyeon-gyu Choi and Jung-Ik Ha. "Design technique of coupled inductor filter for suppressing switching ripples in PWM converters." In 2015 6th International Conference on Power Electronics Systems and Applications (PESA) - Advancement in Electric Transportation - Automotive, Vessel & Aircraft. IEEE, 2015. http://dx.doi.org/10.1109/pesa.2015.7398890.

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