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Journal articles on the topic 'CURRENT DIFFERENCING'

Author: Grafiati

Published: 11 September 2023

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1

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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2

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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3

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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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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4

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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5

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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6

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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7

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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8

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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9

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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10

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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11

Vavra, Jiri, and Josef Bajer. "Current-mode multiphase sinusoidal oscillator based on current differencing units." Analog Integrated Circuits and Signal Processing 74, no. 1 (July 24, 2012): 121–28. http://dx.doi.org/10.1007/s10470-012-9906-8.

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12

Lahiri, Abhirup. "Comment on “Voltage-Mode All-Pass Filters Including Minimum Component Count Circuits”." Active and Passive Electronic Components 2009 (2009): 1–4. http://dx.doi.org/10.1155/2009/595324.

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This comment is related to the recently published article “Active and Passive Electronic Components” by S. Maheshwari (2007), which presents single current differencing buffered amplifier (CDBA) and current-controlled current differencing buffered amplifier- (CC-CDBA-) based first-order voltage-mode (VM) all-pass filtering (APF) sections. The paper is reviewed, and additional first-order APF realizations have been proposed.

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13

Acar, Cevdet, and Herman Sedef. "Realization ofnth-order current transfer function using current-differencing buffered amplifiers." International Journal of Electronics 90, no. 4 (April 2003): 277–83. http://dx.doi.org/10.1080/00207210310001596319.

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14

Özcan, Sadri, Hakan Kuntman, and O. uzhan Çiçekolu. "Cascadable Current Mode Multipurpose Filters Employing Current Differencing Buffered Amplifier (CDBA)." AEU - International Journal of Electronics and Communications 56, no. 2 (January 2002): 67–72. http://dx.doi.org/10.1078/1434-8411-54100075.

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15

Lahiri, Abhirup. "Novel voltage/current-mode quadrature oscillator using current differencing transconductance amplifier." Analog Integrated Circuits and Signal Processing 61, no. 2 (March 12, 2009): 199–203. http://dx.doi.org/10.1007/s10470-009-9291-0.

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16

Yadav, Jyoti, and Bhawna Aggrawal. "Synthetic Transformer using Operational Transconductance Amplifier (OTA) and Voltage Differencing Current Conveyor (VDCC)." International Journal of Electrical and Electronics Research 10, no. 3 (September 30, 2022): 411–14. http://dx.doi.org/10.37391/ijeer.100301.

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This paper presents a new realization of synthetic transformer using off the shelf active blocks. This proposed transformer is designed using operational transconductance amplifier (OTA), voltage differencing current conveyor (VDCC), resistor and capacitor. Use of VDCC helps to utilizes benefits of both voltage differencing unit and current conveyor. The working of proposed circuit is verified through simulations in LTSPICE using TSMC 180nm process characteristics. The proposed circuit offers the feature of adjusting primary and secondary self-inductances and mutual inductance independently. The bias current of the VDCC is used to control the primary and secondary self-inductance and mutual inductance of synthetic transformer.

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17

SUMMART, SAKSIT, CHANCHAI THONGSOPA, and WINAI JAIKLA. "DUAL-OUTPUT CURRENT DIFFERENCING TRANSCONDUCTANCE AMPLIFIERS-BASED CURRENT-MODE SINUSOIDAL QUADRATURE OSCILLATORS." Journal of Circuits, Systems and Computers 23, no. 06 (May 14, 2014): 1450084. http://dx.doi.org/10.1142/s0218126614500844.

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This paper presents three current-mode quadrature oscillator (QO) circuits based on dual-output current differencing transconductance amplifier (DO-CDTA) which is designed from block diagram. The proposed circuits consist of two DO-CDTAs and two grounded capacitors. The circuits can provide two sinusoidal output currents with 90° phase difference. The condition of oscillation (CO) can be adjusted independently from the frequency of oscillation (FO) by adjusting the bias currents of the DO-CDTA. The proposed circuits have high output impedance appropriate for cascade connection application in current mode which is capable to directly drive load. The circuits use only grounded capacitors without any external resistor which is very appropriate for further development into an integrated circuit. Moreover, the oscillator circuits can also adjust amplitude of the output signal. The results of PSPICE simulation program are corresponding to the theoretical analysis.

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18

Maheshwari, Sudhanshu. "Voltage-Mode All-Pass Filters Including Minimum Component Count Circuits." Active and Passive Electronic Components 2007 (2007): 1–5. http://dx.doi.org/10.1155/2007/79159.

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This paper presents two new first-order voltage-mode all-pass filters using a single-current differencing buffered amplifier and four passive components. Each circuit is compatible to a current-controlled current differencing buffered amplifier with only two passive elements, thus resulting in two more circuits, which employ a capacitor, a resistor, and an active element, thus using a minimum of active and passive component counts. The proposed circuits possess low output impedance, and hence can be easily cascaded for voltage-mode systems. PSPICE simulation results are given to confirm the theory.

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19

TANGSRIRAT, WORAPONG, TATTAYA PUKKALANUN, and WANLOP SURAKAMPONTORN. "SYNTHESIS OF CURRENT DIFFERENCING TRANSCONDUCTANCE AMPLIFIER-BASED CURRENT LIMITERS AND ITS APPLICATIONS." Journal of Circuits, Systems and Computers 20, no. 02 (April 2011): 185–206. http://dx.doi.org/10.1142/s0218126611007190.

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A synthesis of analog current limiter (CL) building blocks based on a current differencing transconductance amplifier (CDTA) is proposed. The breakpoint and the slope of the resulting transfer characteristic obtained from the proposed CDTA-based CL are electronically programmable through the external bias currents. To demonstrate versatility of the proposed electronically tunable CLs, some nonlinear applications to programmable current-mode precision full-wave rectifiers and piecewise-linear function approximation generators are also presented. PSPICE simulation and experimental results confirm the effectiveness of the proposed circuits.

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20

LAHIRI, ABHIRUP, and ANKUSH CHOWDHURY. "FOUR QUADRANT ANALOG MULTIPLIER USING DUAL-CURRENT-CONTROLLED CURRENT DIFFERENCING BUFFERED AMPLIFIER." Journal of Circuits, Systems and Computers 20, no. 02 (April 2011): 223–31. http://dx.doi.org/10.1142/s0218126611007219.

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A novel four quadrant analog multiplier (FQAM) is presented using the recently proposed active building block (ABB), namely the dual-current-controlled current differencing buffered amplifier (DCC-CDBA). The inputs to the circuit are two bipolar current signals and current and voltage outputs are available as multiplication of the input signals. The use of DCC-CDBA in four quadrant multiplier design is attractive, since the circuit structure is very simple and uses reduced number of components, viz. only one DCC-CDBA, which is constructed using two second-generation current controlled conveyors (CCCIIs). The circuit operation is current-tunable and ideally temperature insensitive. The workability of the circuit is verified using PSPICE simulations.

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21

Prasad, Dinesh, D. R. Bhaskar, and A. K. Singh. "Universal current-mode biquad filter using dual output current differencing transconductance amplifier." AEU - International Journal of Electronics and Communications 63, no. 6 (June 2009): 497–501. http://dx.doi.org/10.1016/j.aeue.2008.02.012.

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22

Kumar, Amit. "Comment: Novel voltage/current-mode quadrature oscillator using current differencing transconductance amplifier." Analog Integrated Circuits and Signal Processing 66, no. 1 (July 17, 2010): 143. http://dx.doi.org/10.1007/s10470-010-9503-7.

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23

Malcher, Andrzej. "Current-programmable Universal Biquad Filter Based on Modified Current Differencing Transconductance Amplifier." IFAC-PapersOnLine 48, no. 4 (2015): 199–204. http://dx.doi.org/10.1016/j.ifacol.2015.07.032.

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24

Malcher, A. "Modified current differencing transconductance amplifier – new versatile active element." Bulletin of the Polish Academy of Sciences: Technical Sciences 60, no. 4 (December 1, 2012): 739–50. http://dx.doi.org/10.2478/v10175-012-0085-7.

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Abstract This paper introduces a new current mode component called Modified Current Differencing Transconductance Amplifier (MCDTA). Important parameters of the circuit i.e. input resistance, z terminal resistance and transconductance of the output stage can be tuned electrically. The circuit can be implemented in linear and non-linear analog signal processing. The paper presents an example of the MCDTA application - a complete quadrature oscillator with the amplitude regulation. The functionality of the example circuit and its tuning capability were proved by the SPICE simulation results.

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25

Malcher, Andrzej, and Piotr Falkowski. "A Modified Current-Differencing Transconductance Amplifier and Its Applications." IFAC Proceedings Volumes 45, no. 7 (2012): 226–31. http://dx.doi.org/10.3182/20120523-3-cz-3015.00044.

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26

Prasad, Dinesh, D. R. Bhaskar, and A. K. Singh. "Multi-function biquad using single current differencing transconductance amplifier." Analog Integrated Circuits and Signal Processing 61, no. 3 (April 30, 2009): 309–13. http://dx.doi.org/10.1007/s10470-009-9310-1.

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27

Cakir, Cem, Shahram Minaei, and Oguzhan Cicekoglu. "Low voltage low power CMOS current differencing buffered amplifier." Analog Integrated Circuits and Signal Processing 62, no. 2 (August 21, 2009): 237–44. http://dx.doi.org/10.1007/s10470-009-9350-6.

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28

Başak, Muhammed Emin. "CMOS Implementation of Current Differencing Operational Amplifier and Its Notch Filter Application." Journal of Circuits, Systems and Computers 29, no. 08 (October 15, 2019): 2050132. http://dx.doi.org/10.1142/s0218126620501327.

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Active elements are fundamental circuits for a wide scope of scientific and industrial processes. Many researchers have examined active devices to implement filters, oscillators, rectifiers, and converters. This paper presents the current differencing operational amplifier (CDOA) as an active element, firstly implemented with CMOS transistors. The input part of this circuit is a current differencing unit and the conventional operational amplifier (Op-Amp) pursues it. A new realization of a notch filter consists of CDOA is suggested. Voltage-mode band-pass filter and current-mode notch filter are presented as a different filter applications. Simulation results using TSMC 0.18-[Formula: see text]m CMOS process model are used to verify the theoretical analyses. The sensitivity, noise, total harmonic distortion (THD) and the Monte Carlo analysis have been performed to demonstrate the effectiveness of the proposed active element and notch filter.

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29

Thakur, Rohit, and Sangeeta Singh. "Voltage tunable current MODE KHN filter based on current differencing transconductance amplifier (CDTA)." International Journal of Modern Physics B 35, no. 17 (July 10, 2021): 2150181. http://dx.doi.org/10.1142/s0217979221501812.

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The era of SoC design has great dependency on CMOS circuits owing to its low power and high reliability which could contribute in the effective circuit designing. Here, a unique approach for the designing of voltage tunable current differencing transconductance amplifier (CDTA) is reported for the realization of Kerwin–Huelsman–Newcomb (KHN) filter. The proposed design has been simulated by using Cadence Virtuoso simulation tool with 0.18 [Formula: see text]m technology parameters. This design is based on input voltage-based gain and frequency of operation tuning approach. In this reported design of filter, cutoff frequency can be tailored by input voltage instead of input current. This relaxes the need for the iterative circuit modifications to work in a particular frequency range. Thus, the reported CDTA design is expected to be robust and offers higher design flexibility as there is now no need of iterative designing and calibration in this approach. This also exhibits retained area requirement as per the current state of the art for the KHN filters. Further, the performance of designed CDTA-based KHN filter has also been verified with the existing KHN filters.

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30

Siriphuchyanun, Montree, Phamorn Silapan, and Winai Jaikla. "Low-offset BiCMOS Current Controlled Current Differencing Buffered Amplifier (CC-CDBA) and Applications." ECTI Transactions on Electrical Engineering, Electronics, and Communications 6, no. 1 (August 1, 2007): 81–90. http://dx.doi.org/10.37936/ecti-eec.200861.171766.

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This article presents the design for a basic current mode building block for analog signal processing, called Current Controlled Current Differencing Buffered Amplifier (CC-CDBA). Its parasitic resistances at two current input ports can be controlled by an input bias current. The output current and voltage offset are quite low. The proposed element was realized in a BiCMOS technology and the voltage follower in the element is modified to achieve high performance properties. Its performances are examined through PSPICE simulations. In addition,examples as a current-mode multiplier/divider and current amplifier are included, compared to the conventional CC-CDBA implementation. They disclose performances of the proposed CC-CDBA superior to previous CC-CDBA.

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31

Tangsrirat, Worapong, Teerasilapa Dumawipata, and Wanlop Surakampontorn. "Multiple-input single-output current-mode multifunction filter using current differencing transconductance amplifiers." AEU - International Journal of Electronics and Communications 61, no. 4 (April 2007): 209–14. http://dx.doi.org/10.1016/j.aeue.2006.04.004.

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32

Siripruchyanun, Montree, and Winai Jaikla. "CMOS current-controlled current differencing transconductance amplifier and applications to analog signal processing." AEU - International Journal of Electronics and Communications 62, no. 4 (April 2008): 277–87. http://dx.doi.org/10.1016/j.aeue.2007.05.001.

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33

Jerabek, Jan, Roman Sotner, and Kamil Vrba. "Tiso Adjustable Filter with Controllable Controlled–Gain Voltage Differencing Current Conveyor." Journal of Electrical Engineering 65, no. 3 (May 1, 2014): 137–43. http://dx.doi.org/10.2478/jee-2014-0021.

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Abstract The main aim of this paper is to present solution of triple-input single-output (TISO) filter with independently adjustable pole frequency, quality factor, bandwidth and also gain. Filter is universal, operates in current mode and includes only one active element - the so-called Controlled-Gain Voltage Differencing Current Conveyor (CG-VDCC) with two controllable parameters: transconductance (gm) and gain of output currents (BX ). Implementation of CG-VDCC element in 0.18 μm CMOS technology is also included and this model is used in proposed filter simulations.

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34

Horng, Jiun-Wei. "Current-Mode Third-Order Quadrature Oscillator Using CDTAs." Active and Passive Electronic Components 2009 (2009): 1–5. http://dx.doi.org/10.1155/2009/789171.

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This paper describes a current-mode third-order quadrature oscillator based on current differencing transconductance amplifiers (CDTAs). Outputs of two current-mode sinusoids with90°phase difference are available in the quadrature oscillator circuit. The oscillation condition and oscillation frequency are orthogonal controllable. The proposed circuit employs only grounded capacitors and is ideal for integration. Simulation results are included to confirm the theoretical analysis.

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35

Tangsrirat, W., D. Prasertsom, T. Piyatat, and W. Surakampontorn. "Single-resistance-controlled quadrature oscillator using current differencing buffered amplifiers." International Journal of Electronics 95, no. 11 (November 2008): 1119–26. http://dx.doi.org/10.1080/00207210802387676.

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36

Nandi, R., S. Das, Mousiki Kar, and Sagarika Das. "Active-R tunable integrators using a current differencing buffered amplifier." International Journal of Electronics 97, no. 2 (February 2010): 129–37. http://dx.doi.org/10.1080/00207210903168835.

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37

Özcan, S., A. Toker, C. Acar, H. Kuntman, and O. Çiçekoģlu. "Single resistance-controlled sinusoidal oscillators employing current differencing buffered amplifier." Microelectronics Journal 31, no. 3 (March 2000): 169–74. http://dx.doi.org/10.1016/s0026-2692(99)00113-5.

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38

Pathak, J. K., A. K. Singh, and R. Senani. "Systematic realisation of quadrature oscillators using current differencing buffered amplifiers." IET Circuits, Devices & Systems 5, no. 3 (2011): 203. http://dx.doi.org/10.1049/iet-cds.2010.0227.

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39

Tangsrirat, Worapong, Tattaya Pukkalanun, and Wanlop Surakampontorn. "Resistorless realization of current-mode first-order allpass filter using current differencing transconductance amplifiers." Microelectronics Journal 41, no. 2-3 (February 2010): 178–83. http://dx.doi.org/10.1016/j.mejo.2010.02.001.

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40

Biolek, Dalibor, Erhan Hancioglu, and Ali Ümit Keskin. "High-performance current differencing transconductance amplifier and its application in precision current-mode rectification." AEU - International Journal of Electronics and Communications 62, no. 2 (February 2008): 92–96. http://dx.doi.org/10.1016/j.aeue.2007.03.003.

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41

Siripruchyanun, Montree, and Winai Jaikla. "Current-controlled current differencing transconductance amplifier and applications in continuous-time signal processing circuits." Analog Integrated Circuits and Signal Processing 61, no. 3 (May 8, 2009): 247–57. http://dx.doi.org/10.1007/s10470-009-9313-y.

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42

Paul, T. K., S. Roy, and R. R. Pal. "Realization of Inverse Active Filters Using Single Current Differencing Buffered Amplifier." Journal of Scientific Research 13, no. 1 (January 1, 2021): 85–99. http://dx.doi.org/10.3329/jsr.v13i1.47766.

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The authors introduce a new single current differencing buffered amplifier (CDBA) based inverse filter configuration. By appropriate selection of admittances, different inverse filter circuits like inverse high-pass (IHP) circuit, inverse low-pass (ILP) circuit, inverse band-reject (IBR) circuit and inverse band-pass (IBP) circuit can be realized from the same configuration. The capacitors used here are grounded/virtually grounded for all the realizations. The performances of the proposed filters have been judged by using CMOS structure of CDBA with TSMC 0.35 µm technology as well as by using the available IC of current feedback operational amplifier (CFOA) i.e. AD844 based CDBA. The simulation results agreed well with the theoretical results. Monte-Carlo simulation has also been performed to check the robustness of the proposed configuration.

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43

Sotner, R., J. Jerabek, R. Prokop, and V. Kledrowetz. "Simple CMOS voltage differencing current conveyor‐based electronically tunable quadrature oscillator." Electronics Letters 52, no. 12 (June 2016): 1016–18. http://dx.doi.org/10.1049/el.2016.0935.

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44

Paul, T. K., S. Roy, and R. R. Pal. "Realization of Inverse Active Filters Using Single Current Differencing Buffered Amplifier." Journal of Scientific Research 13, no. 1 (January 1, 2021): 85–99. http://dx.doi.org/10.3329/jsr.v13i1.47766.

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The authors introduce a new single current differencing buffered amplifier (CDBA) based inverse filter configuration. By appropriate selection of admittances, different inverse filter circuits like inverse high-pass (IHP) circuit, inverse low-pass (ILP) circuit, inverse band-reject (IBR) circuit and inverse band-pass (IBP) circuit can be realized from the same configuration. The capacitors used here are grounded/virtually grounded for all the realizations. The performances of the proposed filters have been judged by using CMOS structure of CDBA with TSMC 0.35 µm technology as well as by using the available IC of current feedback operational amplifier (CFOA) i.e. AD844 based CDBA. The simulation results agreed well with the theoretical results. Monte-Carlo simulation has also been performed to check the robustness of the proposed configuration.

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45

Tangsrirat *, W., and W. Surakampontorn. "Realization of multiple-output biquadratic filters using current differencing buffered amplifiers." International Journal of Electronics 92, no. 6 (June 2005): 313–25. http://dx.doi.org/10.1080/00207210500141862.

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46

Lin, Wei-Chun, Hung-Yu Wang, Chih-Yi Liu, and Tsair-Fwu Lee. "Symbolic analysis of active device containing differencing voltage or current characteristics." Microelectronics Journal 44, no. 4 (April 2013): 354–58. http://dx.doi.org/10.1016/j.mejo.2013.01.012.

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47

GULSOY, M. "Lossless and Lossy Synthetic Inductors Employing Single Current Differencing Buffered Amplifier." IEICE Transactions on Communications E88-B, no. 5 (May 1, 2005): 2152–55. http://dx.doi.org/10.1093/ietcom/e88-b.5.2152.

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48

Tangsrirat, Worapong, Danucha Prasertsom, and Wanlop Surakampontorn. "Low-voltage digitally controlled current differencing buffered amplifier and its application." AEU - International Journal of Electronics and Communications 63, no. 4 (April 2009): 249–58. http://dx.doi.org/10.1016/j.aeue.2008.01.006.

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49

Rai, Shireesh Kumar, and Maneesha Gupta. "Current differencing transconductance amplifier (CDTA) with enhanced performance and its application." Analog Integrated Circuits and Signal Processing 86, no. 2 (December 16, 2015): 307–19. http://dx.doi.org/10.1007/s10470-015-0675-z.

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50

Roy, Suvajit, Tapas Kumar Paul, Saikat Maiti, and Radha Raman Pal. "Two new analog multipliers/dividers employing single current differencing buffer amplifier." AEU - International Journal of Electronics and Communications 88 (May 2018): 11–19. http://dx.doi.org/10.1016/j.aeue.2018.03.002.

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