Готові списки джерел за темами / CURRENT DIFFERENCING

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Добірка наукової літератури з теми "CURRENT DIFFERENCING"

Автор: Grafiati

Опубліковано: 11 вересня 2023

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Статті в журналах з теми "CURRENT DIFFERENCING"

MUSTAFA, KONAL, KACAR FIRAT, and POLAT UZUNOGLU CENGIZ. "CURRENT MODE FILTERS EMPLOYING CURRENT DIFFERENCING TRANSCONDUCTANCE AMPLIFIERS." i-manager's Journal on Circuits and Systems 8, no. 2 (2020): 10. http://dx.doi.org/10.26634/jcir.8.2.17789.

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Khateb, Fabian, and Dalibor Biolek. "Bulk-Driven Current Differencing Transconductance Amplifier." Circuits, Systems, and Signal Processing 30, no. 5 (January 11, 2011): 1071–89. http://dx.doi.org/10.1007/s00034-010-9254-9.

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Maheshwari, Sudhanshu, and Iqbal A. Khan. "Current Controlled Current Differencing Buffered Amplifier: Implementation and Applications." Active and Passive Electronic Components 27, no. 4 (2004): 219–27. http://dx.doi.org/10.1080/08827510310001648924.

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Анотація:

A new four terminal current-controlled active element is introduced, where parasitic resistances at two current input ports are controlled leading to the definition of current-controlled current differencing buffered amplifier. Bipolar implementation and as application current-mode band-pass filter circuits are proposed. Simulation results using real device parameters are included, which show device bandwidth of 35 MHz, low total harmonic distortions, and tuning over a wide current range.

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Kumngern, Montree, Panit Lamun, and Kobchai Dejhan. "Current‐mode quadrature oscillator using current differencing transconductance amplifiers." International Journal of Electronics 99, no. 7 (July 2012): 971–86. http://dx.doi.org/10.1080/00207217.2011.651693.

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Keskin, Ali Ümit, Dalibor Biolek, Erhan Hancioglu, and Viera Biolková. "Current-mode KHN filter employing current differencing transconductance amplifiers." AEU - International Journal of Electronics and Communications 60, no. 6 (June 2006): 443–46. http://dx.doi.org/10.1016/j.aeue.2005.09.003.

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Arora, Tajinder Singh, and Udit Rana. "Multifunction Filter Employing Current Differencing Buffered Amplifier." Circuits and Systems 07, no. 05 (2016): 543–50. http://dx.doi.org/10.4236/cs.2016.75046.

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Singh, Shashwat, Sagar Jain, Rajeshwari Pandey, and Neeta Pandey. "Adaptive biased current differencing trans-conductance amplifier." AEU - International Journal of Electronics and Communications 128 (January 2021): 153494. http://dx.doi.org/10.1016/j.aeue.2020.153494.

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Keskin, A. U., and D. Biolek. "Current mode quadrature oscillator using current differencing transconductance amplifiers (CDTA)." IEE Proceedings - Circuits, Devices and Systems 153, no. 3 (2006): 214. http://dx.doi.org/10.1049/ip-cds:20050304.

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Tangsrirat, Worapong, and Wason Tanjaroen. "Current-Mode Multiphase Sinusoidal Oscillator Using Current Differencing Transconductance Amplifiers." Circuits, Systems & Signal Processing 27, no. 1 (January 3, 2008): 81–93. http://dx.doi.org/10.1007/s00034-007-9010-y.

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Rathore, T. S. "Realizations of Current Transfer Functions Using Current Differencing Transconductance Amplifiers." Circuits, Systems, and Signal Processing 38, no. 9 (January 22, 2019): 4331–37. http://dx.doi.org/10.1007/s00034-019-01036-x.

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Більше джерел

Дисертації з теми "CURRENT DIFFERENCING"

Pánek, David. "Syntéza diferenčních filtračních struktur se složenými aktivními prvky." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-399604.

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Анотація:

This document is focused on already existing single-ended frequency filters with modern active components working in current mode and their modification into fully-differential ended form. After the modification both versions were compared between each other. The first part informs about problems concerning analogue frequency filters. The second part deals with used active components - MO-CF (Multiple Output Current Follower), BOTA (Balanced transconductance amplifier), UCC (universal current conveyor), VDTA (Voltage differencing transconductance amplifier), CDTA (Current differencing transconductance amplifier) and VDCC (voltage differencing current conveyor). Four circuits have been chosen and transformed into their differential form. Two circuits have been chosen and realised into PCB and then practicaly measured in a laboratory. The last part is a summary of simulations and measured results and check of circuits behavior result.

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Pisár, Peter. "Metody návrhu aktivních kmitočtových filtrů na základě pasivního RLC prototypu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-218107.

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Анотація:

The aim of this diploma thesis is to design active frequency filters based on passive RLC prototype. Three methods of the design of active filters and active functional blocks of electronic circuits working in current or mixed mode are used to this purpose. These blocks allow to process electrical signals with frequencies up to low tens of megahertz. In addition they feature for instance with high slew rate and low supply voltage power. Active high-pass and low-pass 2nd order filters are designed using simulation of inductor by active subcircuit method. Grounded and subsequently floating synthetic inductor is made with the current conveyors in the first case and with the current operational amplifiers with single input and differential output in the second case. This method advantage is relatively simple design and disadvantage is great quantity of active functional blocks. Active filters based on passive frequency ladder 3rd order filter while only one floating inductor is connected, are designed with circuit equation method. In the first design differential input / output current followers are used and in the second case current-differencing buffered amplifiers are used. This method benefits by smaller active blocks number and disadvantage is more complex design of the active filter. Active filter based on passive prototype of low-pass 3rd order filter with two floating inductors is designed with Bruton transformation method. Final active filter uses current operational amplifiers with single input and differential output which together with other passive elements replace frequency depending negative resistor, which arise after previous Bruton transform. This method usage is advantageous if the design consists of larger quantity of inductors and less number of capacitors. High-pass 2nd order filter is simulated by tolerance and parametrical analyses. Physical realisation utilising current feedback operational amplifier which substitute commercially hardly accessible current conveyors is subsequently made. Measurements of constructed active filter show that additional modifications, which allow better amplitude frequency characteristics conformity, are necessary.

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Gajdoš, Adam. "Elektronicky rekonfigurovatelné kmitočtové filtry." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-241983.

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The aim of the thesis was design of reconnection-less and electronically reconfigurable filters of SISO type with non-traditional active elements. Adjustability of bandwidth or quality factor is also required. First part of the thesis deals with theoretical analysis of filters, their operation modes and design of frequency filters using Signal-flow graph method aswell. Last but not least, electronical reconfiguration of transfer function and parasitic analysis was discussed. Another part describes active elements used in the practical part of thesis. Behaviors and design of active elements using existing circuits (e.g. UCC,EL2082) are described and their transformation into the Signal-flow graph form too. In the practical part five reconnection-less and reconfigurable filters of SISO type was designed using SNAP program. Simulations were done using Orcad program with ideal and real simulation models of active elements. Last part deals with filter design in EAGLE and experimental measurement.

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Zemančík, Miroslav. "Měnové kurzy a jejich dopad na účetní výkaznictví dle českých účetních předpisů a IFRS." Master's thesis, Vysoká škola ekonomická v Praze, 2017. http://www.nusl.cz/ntk/nusl-359771.

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The purpose of this Master's Thesis is to analyze effects of Foreign Exchange Rates on financial statements under Czech accounting regulations and IFRS. It focuses on analyzing and comparing both regulations when choosing the reporting currency or when applying rules on the usage of the correct exchange rates. By using practical excercises it compares differencies in the calculation of transaction and translation differencies with the focus on the impact on the financial statements under the both regulations.

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SINGH, ALOK KUMAR. "CURRENT DIFFERENCING CURRENT CONVEYOR AND ITS APPLICATIONS." Thesis, 2018. http://dspace.dtu.ac.in:8080/jspui/handle/repository/16738.

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Анотація:

After reviewing the evolution of the various active circuit elements in a historical perspective, it has been pointed out that the current differencing current conveyor (CDCC) or any variant of this have not received much attention in the literature in the context of the synthesis and design of analog electronic circuits. It has been pointed out that this void has been the main reason for exploring the characterisation and applications of the CDCC for the research reported in this thesis.

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KUMAR, PRADEEP. "CURRENT MODE ADC USING CURRENT DIFFERENCING TRANSCONDUCTANCE AMPLIFIER." Thesis, 2013. http://dspace.dtu.ac.in:8080/jspui/handle/repository/15694.

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This dissertation presents the implementation of a two bit flash analog‐to‐digital converter based on current‐mode technique. The analog‐to‐digital converter presented here employs three current differencing transconductance amplifier (CDTA) based comparator ,a current mirror and a priority encoder. The advantages of current ‐mode technique are higher speed, lower power dissipation, and simple division of reference current based on current mirror. The new method allows effective and simple high‐speed A/D conversion where the input is a current signal and the output is a digital voltage signal. By using this technique we have reduced the power dissipation and response time. This current mode method is highly accurate. The circuit has been simulated using the PSPICE simulator for .18 m CMOS technology with 1.8V supply to get satisfactory output.

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PARMAR, ANIL. "CURRENT DIFFERENCING DIFFERENTIAL INPUT TRANSCONDCUTANCE AMPLIFIER AND ITS APPLICATION." Thesis, 2017. http://dspace.dtu.ac.in:8080/jspui/handle/repository/15984.

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Анотація:

Ever since the introduction of current conveyor as basic building block in analog signal processing, several alternative active building blocks have been introduced so far. This has become attainable due to the developments in the semiconductor manufacturing technologies (both bipolar as well as CMOS). throughout the last twenty years, various modifications have been done in the architecture of the current conveyor and many derivatives of this block have appeared in the literature. Current differencing differential input transconductance amplifier combines the features of a current differencing unit (current conveyor) and an operational transconductance amplifier. Current differencing differential input transconductance amplifier can be used to perform the entire regular signal processing application such as amplifier, integrator, differentiator and filters etc. The present work deals with the signal processing application of current differencing differential input transconductance amplifier in filters. In this thesis, we have proposed various circuits which is based on current differencing differential input transconductance amplifier. All the circuits given during this thesis are simulated in PSpice.

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KAUR, ARSHDEEP. "CURRENT DIFFERENCING DIFFERENTIAL OUTPUT BUFFERED AMPLIFIER (CDDOBA) AND ITS APPLICCTIONS IN SIGNAL PROCESSING." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/15508.

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Анотація:

In the present dissertation implementation of new active building block Current differencing differential output buffer amplifier (CDDOBA) using IC AD844 has been presented. CDDOBA is a new active building block with two input p and n terminal and two output, +w and -w terminal. CDDOBA can be well thought-out as a collection of inverting and non inverting current mode and inverting and non inverting voltage mode unity-gain cells. Recent advancements in current mode signal processing and advantages of current mode signal processing over voltage mode are briefly described in the second chapter. In this dissertation detailed description of the architecture of CDDOBA and PSPICE simulation of CDDOBA realized with IC AD844 is presented. General first order filters, voltage mode amplifier and differentiator and integrator circuits have been presented as application examples in order to demonstrate the performance of the CDDOBA. The PSPICE simulation results for frequency response are incorporated to verify the theory. A new Biquad filter, employing one CDDOBA as active element and four resistors and four capacitors is proposed.

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Частини книг з теми "CURRENT DIFFERENCING"

Das, Rupam, Biplab Bhowmick, Prajit Paul, Sumanta Karmakar, and Khushi Banerjee. "Current Differencing Transconductance Amplifier (CDTA) Based Current Mode Quadrature Oscillator." In Advances in Computer, Communication and Control, 35–47. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3122-0_5.

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Cao, Meili, Haizhen He, Rongming Luo, and Lei Wen. "Nth-Order Multifunction Filter Employing Current Differencing Transconductance Amplifiers." In Algorithms and Architectures for Parallel Processing, 3–12. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-27161-3_1.

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Li, Yongan. "Three Current-Mode Wien-Bridge Oscillators Using Single Modified Current Controlled Current Differencing Transconductance Amplifier." In Lecture Notes in Electrical Engineering, 693–700. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-01273-5_77.

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Ghosh, Mourina, Bal Chand Nagar, and Vishal Tiwari. "Higher Order Low-Pass Filter Using Single Current Differencing Buffered Amplifier." In Advances in Intelligent Systems and Computing, 67–77. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1501-5_6.

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Borah, Shekhar Suman, and Mourina Ghosh. "Interactive and Non-interactive Control-Based Lossless Grounded Negative Inductance Simulator Using Current Differencing Buffered Amplifier." In Lecture Notes in Electrical Engineering, 23–29. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4866-0_4.

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"Current Conveyors and CDTA (Current Differencing Transconductance Amplifiers) Based Filters." In Continuous Time Active Analog Filters, 493–537. Cambridge University Press, 2021. http://dx.doi.org/10.1017/9781108762632.017.

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Krishnamurti, T. N., H. S. Bedi, and V. M. Hardiker. "Time-Differencing Schemes." In An Introduction to Global Spectral Modeling. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195094732.003.0005.

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Анотація:

Atmospheric models generally require the solutions of partial differential equations. In spectral models, the governing partial differential equations reduce to a set of coupled ordinary nonlinear differential equations where the dependent variables contain derivatives with respect to time as well. To march forward in time in numerical weather prediction, one needs to use a time-differencing scheme. Although much sophistication has emerged for the spatial derivatives (i.e., second- and fourth-order differencing), the time derivative has remained constructed mostly around the first- and second-order accurate schemes. Higher-order schemes in time require the specification of more than a single initial state, which has been considered to be rather cumbersome. Therefore, following the current state of the art, we focus on the first- and second-order accurate schemes. However, higher-order schemes, especially for long-term integrations such as climate modeling, deserve examination. We start with the differential equation dF/dt = G, where F = F(t) and G = G(t). If the exact solution of the above equation can be expressed by trigonometric functions, then our problem would be to choose an appropriate time step in order to obtain a solution which behaves properly; that is, it remains bounded with time. This is illustrated in Fig. 3.1. We next show that: (1) if an improper time step is chosen, then the approximate finite difference solution may become unbounded, and (2) if a proper time step is chosen, then the finite difference solution will behave quite similar to the exact solution. The stability or instability of a numerical scheme will be discussed for a single Fourier wave. This would also be valid for a somewhat more general case, since the total solution is a linear combination of sine and cosine functions, which are all bounded. We next define an amplification factor |λ|, the magnitude of which would determine whether a scheme is stable or not.

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Kersten, Tobias, Grzegorz Krzan, Karol Dawidowicz, and Steffen Schön. "On the Effect of Antenna Calibration Errors on Geodetic Estimates." In International Association of Geodesy Symposia. Berlin, Heidelberg: Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/1345_2022_153.

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AbstractThis paper addresses an approach to assess the impact of phase centre correction errors of selected receiving antennas in the Polish ASG-Eupos network using GNSS processing strategies such as zero differencing and double differencing. The objective is to characterise the nature of the error patterns of GNSS receiver antennas and to understand their impact on GNSS derived integrated water vapour and geodetic estimates. A semi-analytical approach for characterising variants of error patterns is applied. Differences of up to +12 mm between type-mean and individual receiver antenna calibrations of current antenna models on the ionosphere-free linear combination are identified for repeatable pattern deformations. The analyses show that repeatable effects on tropospheric estimates of up to 8 mm – which corresponds to approx. 1.2 kg/m2 – occur even though only 5 mm variations were applied to the pattern. The results of our analysis show a strong correlation with the type of error patterns that affect the estimates differently. Due to the complex relationship between datum settings, processing strategy, baseline orientation and satellite sky distribution, artefacts in GNSS processing models and their effects must to be modelled in order to achieve a better understanding in the context of GNSS networks and GNSS meteorology.

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Тези доповідей конференцій з теми "CURRENT DIFFERENCING"

Kaur, Gagandeep, and Mohammad Ayoub Khan. "Current differencing buffered amplifier an active element." In the International Conference. New York, New York, USA: ACM Press, 2012. http://dx.doi.org/10.1145/2345396.2345435.

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Tarim, N., and H. Kuntman. "A high performance current differencing buffered amplifier." In ICM'2001 Proceedings. 13th International Conference on Microelectronics. IEEE, 2001. http://dx.doi.org/10.1109/icm.2001.997510.

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Kumngern, Montree. "Current-mode multiphase sinusoidal oscillator using current-controlled current differencing transconductance amplifiers." In APCCAS 2010-2010 IEEE Asia Pacific Conference on Circuits and Systems. IEEE, 2010. http://dx.doi.org/10.1109/apccas.2010.5774818.

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Prasertsom, Danucha, Worapong Tangsrirat, and Wanlop Surakampontorn. "Low-Voltage Digitally Controlled Current Differencing Buffered Amplifier." In APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS). IEEE, 2008. http://dx.doi.org/10.1109/apccas.2008.4746210.

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Singh, Ankur, Shekhar Suman Borah, and Mourina Ghosh. "Current Differencing Buffered Amplifier Based Memristive Quadrature Oscillator." In 2021 International Conference on Electronics, Information, and Communication (ICEIC). IEEE, 2021. http://dx.doi.org/10.1109/iceic51217.2021.9369780.

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Jain, Arushi, Neeta Pandey, and Rajeshwari Pandey. "Realization of frequency-hopping filters using Current Differencing Transconductance Amplifier and Voltage Differencing Transconductance Amplifier." In 2016 3rd International Conference on Signal Processing and Integrated Networks (SPIN). IEEE, 2016. http://dx.doi.org/10.1109/spin.2016.7566745.

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Duangmalai, Danupat, and Winai Jaikla. "Resistorless current-mode universal filter using current differencing cascaded transconductance amplifiers." In 2018 3rd International Conference on Control and Robotics Engineering (ICCRE). IEEE, 2018. http://dx.doi.org/10.1109/iccre.2018.8376461.

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Erkan, Suleyman, Umut Engin Ayten, and Mehmet Sagbas. "Current-mode full-wave rectifier circuits using current differencing buffered amplifier." In 2015 38th International Conference on Telecommunications and Signal Processing (TSP). IEEE, 2015. http://dx.doi.org/10.1109/tsp.2015.7296281.

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Madira, Suma, V. Venkata Reddy, and Avireni Srinivasulu. "Current mode Schmitt trigger based on ZC-Current Differencing Transconductance Amplifier." In 2016 International Conference on Inventive Computation Technologies (ICICT). IEEE, 2016. http://dx.doi.org/10.1109/inventive.2016.7823226.

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Kumngern, Montree, and Kobchai Dejhan. "Electronically tunable current-mode quadrature oscillator using current differencing transconductance amplifiers." In TENCON 2009 - 2009 IEEE Region 10 Conference. IEEE, 2009. http://dx.doi.org/10.1109/tencon.2009.5396218.

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