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Relevant bibliographies by topics / Operational transconductance amplifier (OTA)

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Academic literature on the topic 'Operational transconductance amplifier (OTA)'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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Journal articles on the topic "Operational transconductance amplifier (OTA)"

1

Sanchotene Silva, Rafael, Luís Henrique Rodovalho, Jefferson Luiz Brum Marques, and Cesar Ramos Rodrigues. "A 59 pA/V and 62 nW Differential OTA with 0.35% THD for Biomedical Applications." Journal of Integrated Circuits and Systems 16, no. 2 (2021): 1–11. http://dx.doi.org/10.29292/jics.v16i2.490.

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This paper presents a novel differential pA/V Operational Transconductance Amplifier (OTA) topology. The circuit is suitable for the implementation of fully integrated operational transconductance amplifier-capacitance (OTA-C) filters with small feature size capacitors, suited for electrophysiological signal acquisition and conditioning. Unlike typical OTA-Cs, the proposed topology consists of transconductance reduction technique based on unbalanced output branches thatallow current subtraction thus enabling transconductances in the order of pA/V. The technique is demonstrated through the desi

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Dubey, Tanmay, Vijaya Bhadauria, and Rishikesh Pandey. "Linearity Enhancement Techniques for Operational Transconductance Amplifier: A Survey." Recent Advances in Electrical & Electronic Engineering (Formerly Recent Patents on Electrical & Electronic Engineering) 13, no. 5 (2020): 650–68. http://dx.doi.org/10.2174/2352096512666191019130214.

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Background: Operational Transconductance Amplifier (OTA) plays an essential role in many analog and mixed-signal applications that encourages the researchers to contribute their work to design suitable structures of OTA for their applications with acceptable performance parameters. Methods: The linearity of an OTA is one of its key performance parameters, which affects the performance of the overall system whereas the transconductance value of OTA (Gm) contributes to decide its application area. Low transconductance OTA finds its application in biomedical and neural networks while OTA with hig

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Abuelma'atti, Muhammad Taher, and Muhammad Haroon Khan. "Grounded Capacitor Oscillators Using A Single Operational Transconductance Amplifier." Active and Passive Electronic Components 19, no. 2 (1996): 91–98. http://dx.doi.org/10.1155/1996/17943.

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New oscillator circuits using operational transconductance amplifiers (OTAs) are presented. Each circuit uses a single OTA and grounded capacitors. The feasibility of obtaining oscillators with independent control of frequency and oscillation is considered. Also, the feasibility of exploiting, to advantage, the frequency dependence of the OTA-transconductance is considered. This may result in OTA-based RC oscillators using only one externally-connected capacitor.

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Vasudeva, G., and Mandar Jatkar. "Design of High Performance Operational Transconductance Amplifier." ACS Journal for Science and Engineering 3, no. 2 (2023): 21–30. http://dx.doi.org/10.34293/acsjse.v3i2.81.

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Designing high-performance analog circuits is becoming increasingly challenging with the persistent trend toward reduced supply voltages. The main bottleneck in an analog circuit is the operational amplifier. At large supply voltages, there is a trade off among speed, power, and gain, amongs to ther performance parameters. Often these parameters present contradictory choices for the op-amp architecture. At reduced supply voltages, output swing becomes yet another performance metric to be considered when designing the opamp. Of the several architecture folded cascode OTA is used in which all th

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Li, Xiang, Bo Hou, Chunge Ju, Qi Wei, Bin Zhou, and Rong Zhang. "A Complementary Recycling Operational Transconductance Amplifier with Data-Driven Enhancement of Transconductance." Electronics 8, no. 12 (2019): 1457. http://dx.doi.org/10.3390/electronics8121457.

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An improved operational transconductance amplifier (OTA) is presented in this work. The fully differential OTA adopts the current recycling technique and complementary NMOS and PMOS input branches to enhance the total transconductance. Moreover, in order to achieve higher current efficiency, a data-driven biasing circuit was developed to dynamically adjust the power consumption of the amplifier. Two comparators were added to detect the voltage difference at the input nodes, and when the differential input is large enough to activate either comparator, extra biasing current is activated and pou

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Kotha, Sreeteja Reddy, Karuppanan P, Abhay Kumar Gautam, and Manmath Suryavanshi. "A 0.25-V Three-stage State Feedback Bulk-driven OTA for Wide Range Load Applications." Journal of Integrated Circuits and Systems 16, no. 3 (2021): 1–9. http://dx.doi.org/10.29292/jics.v16i3.498.

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This article employs a nested state feedback compensation technique to a three-stage bulk-driven operational transconductance amplifier (OTA). The projected OTA circuit consists of a bulk-driven PMOS amplifier, gate-driven NMOS amplifier, and common source (CS) amplifier. The entire transistors in the amplifier core are configuredwith self-cascode transistor topology to increase its output impedance. All transistors are designed to operate in a weak inversion in order to dissipate less power. Cross-coupled transistor pair topology in the bulk-driven stage allows to improve the effective transc

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Sarin, Mythry, A.Gayathri, Farheen Saieemah, N.Jeenath, M.Sowmya, and P.Sahith. "Design of Low Power Operational Transconductance Amplifier for Biomedical Applications." International Journal of Applied Control, Electrical and Electronics Engineering (IJACEEE) 3, no. 2 (2020): 15–21. https://doi.org/10.5281/zenodo.3975519.

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This paper presents the design of folded cascode operational transconductance amplifier (OTA). This design has been implemented in 0.18um CMOS Technology using Cadence. Spectre simulation shows that the OTA has flat gain of 47dB from 1Hz to 100 KHz frequency, indicating stability of OTA, noise ranges as 22.49769nV/ at 10Hz to 66.89128fV/ at 1MHz and average power as 0.770mW. In this paper, we will be studying the design concepts, analysis of operational transconductance amplifier which is used for recording the bio signals. This paper plays a key role in real time applications for equipment de

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GHORI, A., and P. GHOSH. "ANALYSIS OF OPERATIONAL TRANSCONDUCTANCE AMPLIFIER FOR APPLICATION IN GHz FREQUENCY RANGE." International Journal of High Speed Electronics and Systems 14, no. 03 (2004): 690–95. http://dx.doi.org/10.1142/s0129156404002685.

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Operational Transconductance Amplifier (OTA) is an excellent current mode device suited very well for VLSI implementation. In this contribution we report realization of OTA using Silicon-On-Insulator (SOI) structure based MOSFETs and compared them to OTA designed with bulk MOSFET. SOI based OTA outperformed bulk MOSFET OTA giving close to 10 GHz improvement in high frequency f T . A band-pass filter was implemented with SOI based OTA with a center frequency of 7 GHz and a bandwidth of 480 kHz.

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Vardhan, K. Vijaya, K. Malathi Santhoshini, Sarada Musala, and V. N. Lakshmi Pabbisetty. "Schmitt Trigger Circuits using Various Active Devices." International Journal of Engineering and Advanced Technology 9, no. 1s5 (2019): 143–46. http://dx.doi.org/10.35940/ijeat.a1035.1291s519.

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A vast number of diverse analog circuit blocks have been arosed in the past few decades. A various active devices are Operational Amplifier (Op-Amp), Current Conveyor (CC), Operational Transconductance Amplifier (OTA), Differential Difference Current Conveyor (DDCC), Differential Difference Current Conveyor Transconductnace Amplifier (DDCCTA), Z-Copy Current Differencing Transconductance Amplifier (ZC-CDTA), Voltage Difference Transconductance Amplifier (VDTA) and so on. A review on Schmitt trigger circuits by using different active devices are presented in this paper since Schmitt trigger cir

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Krolák, David, and Pavel Horský. "An EMI susceptibility study of different integrated operational transconductance amplifiers." Journal of Electrical Engineering 74, no. 1 (2023): 13–22. http://dx.doi.org/10.2478/jee-2023-0002.

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Abstract This paper presents a comparative EMI susceptibility study of different integrated operational transconductance amplifier (OTA) topologies. We analyzed conventional well-known amplifier topologies based on the Miller OTA and folded cascode concepts with lower power consumption. The output dc voltage shifts induced by power supply and input common mode high frequency disturbances are presented. On top of the EMI susceptibility comparison, we discuss PSRR and CMRR within large and small excitation signal with a new simulation setup. Even more, the back-gate connections of differential M

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Dissertations / Theses on the topic "Operational transconductance amplifier (OTA)"

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Vora, Ashish. "A 90 dB, 85 MHz operational transconductance amplifier (OTA) using gain boosting technique /." Link to online version, 2005. https://ritdml.rit.edu/dspace/handle/1850/1319.

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Ramachandran, Arun. "Nonlinearity and noise modeling of operational transconductance amplifiers for continuous time analog filters." Texas A&M University, 2003. http://hdl.handle.net/1969.1/3925.

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A general framework for performance optimization of continuous-time OTA-C (Operational Transconductance Amplifier-Capacitor) filters is proposed. Efficient procedures for evaluating nonlinear distortion and noise valid for any filter of arbitrary order are developed based on the matrix description of a general OTA-C filter model . Since these procedures use OTA macromodels, they can be used to obtain the results significantly faster than transistor-level simulation. In the case of transient analysis, the speed-up may be as much as three orders of magnitude without almost no loss of accuracy. T

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Sun, Shao-Chi. "Design and evaluation of a g m-RC bandpass filter using a 42 GHz linear OTA incorporating heterojunction bipolar transistors." Ohio University / OhioLINK, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1179864547.

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LEITE, CORREIA DE TOLEDO PEDRO FILIPE. "Digital-Based Analog Processing in Nanoscale CMOS ICs for IoT Applications." Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2969648.

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Michalička, Filip. "Syntéza elektronicky rekonfigurovatelných kmitočtových filtrů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413078.

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This diploma thesis deals with design of reconection-less electronically reconfigurable filter structures which have single input and single output using unconventional active elements, which have ability to adjust one of their parameter e.g. gain or transconductance. The first part describes basic parameters of frequency filters, the division of filters by frequency transfer response and used circuit elements, their operational modes, the principle of reconnection-less electronically reconfiguration and the circuit design method MUNV. Second part describes all active elements used in the prop

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Anderson, Matthew Wilamowski Bogdan M. "Wide range tunable transconductance filters." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SPRING/Electrical_and_Computer_Engineering/Thesis/Anderson_William_22.pdf.

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Czajkowski, Ondřej. "Operační transkonduktanční zesilovač (OTA) pro využití v programovatelných analogových polích." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219036.

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Operational amplifier will be designed and optimized with respect to set of required parameters. Real CMOS technology (available at Department of Microelectronics) will be used for designed OTA circuit and its simulations. Designed OTA will be used as universal operation amplifier configurable block in FPAA (field-programmable analog array) structures.

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Nousek, Petr. "Porovnávací studie nízkonapěťových operačních zesilovačů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218696.

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This work deals with methods used in design of low voltage operational amplifiers. It describes some of the most commonly used methods. Properties of these methods are verified by computer simulation of operational transconductance amplifiers that are utilizing them.

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Mora, Sánchez Alexander [Verfasser]. "Sigma-Delta Analog-to-Digital Modulators with a Single Operational Transconductance Amplifier for Low-Power SoC Design in Biomedical Applications / Alexander Mora Sánchez." Aachen : Shaker, 2007. http://d-nb.info/1164340336/34.

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Johansson, Anders. "Evaluation of different CMOS processes using a circuit optimization tool." Thesis, Linköping University, Electronics System, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-52338.

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<p>The geometry of CMOS processes has decreased in a steady pace over the years at the same time as the complexity has increased. Even if there are more requirements on the designer today, the main goal is still the same: to minimize the occupied area and power dissipation. This thesis investigates if a prediction of the costs in future CMOS processes can be made. By implementing several processes on a test circuit we can see a pattern in area and power dissipation when we change to smaller processes.</p><p>This is done by optimizing a two-stage operational transconductance amplifier on basis

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Books on the topic "Operational transconductance amplifier (OTA)"

1

Parveen, Tahira. Textbook of Operational Transconductance Amplifier and Analog Integrated Circuits. I.K. International Publishing House Pvt. Ltd, 2013.

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Book chapters on the topic "Operational transconductance amplifier (OTA)"

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Su, Kendall. "Operational Transconductance Amplifier (OTA) Filters." In Analog Filters. Springer US, 2002. http://dx.doi.org/10.1007/0-306-47953-2_14.

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Guptha, Maram Anantha, V. M. Senthil Kumar, T. Hari Prasad, and Ravindrakumar Selvaraj. "Low Power, Less Leakage Operational Transconductance Amplifier (OTA) Circuit Using FinFET." In Advances in Intelligent Systems and Computing. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5400-1_19.

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Atarodi, M., and J. Choma. "A 7.2 GHz Bipolar Operational Transconductance Amplifier for Fully Integrated OTA-C Filters." In Analog Signal Processing. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4757-4503-0_6.

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Kumari, Usha, and Rekha Yadav. "A Review About Analysis and Design Methodology of Two-Stage Operational Transconductance Amplifier (OTA)." In Proceedings of International Conference on Data Science and Applications. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-6634-7_61.

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Koushaeian, Leila, Bahram Ghafari, Farhad Goodarzy, Rod Evans, and Amir Zjajo. "A Low Noise Self-Cascode Configuration Operational Transconductance Amplifier (OTA) for Bandgap Reference Voltage Circuit." In 4G Wireless Communication Networks. River Publishers, 2022. http://dx.doi.org/10.1201/9781003357247-22.

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Uhrmann, Heimo, Robert Kolm, and Horst Zimmermann. "Operational Transconductance Amplifiers (OTAs)." In Analog Filters in Nanometer CMOS. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-38013-6_4.

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Chatterjee, Shouri, Kong Pang Pun, Nebojša Stanić, Yannis Tsividis, and Peter Kinget. "Fully Differential Operational Transconductance Amplifiers (OTAs)." In Analog Circuit Design Techniques at 0.5 V. Springer US, 2007. http://dx.doi.org/10.1007/978-0-387-69954-7_2.

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Kuntman, Hakan, and Deniz Özenli. "Operational Transconductance Amplifiers (OTAs) and Their Applications." In Analog Circuits and Signal Processing. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96836-6_2.

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Mohan, P. V. Ananda. "Operational Transconductance Amplifier-C Filters." In Current-Mode VLSI Analog Filters. Birkhäuser Boston, 2003. http://dx.doi.org/10.1007/978-1-4612-0033-8_2.

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Durgam, Rajesh, S. Tamil, and Nikhil Raj. "Design of High-Gain Operational Transconductance Amplifier." In Lecture Notes in Networks and Systems. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-8512-5_59.

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Conference papers on the topic "Operational transconductance amplifier (OTA)"

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Nasabi, Samarth, Sujata S. Kotbagi, Sumati Javalagi, Madhura M, Rakshita R. Patgar, and Bharat A. Gunhalkar. "Design of Operational Transconductance Amplifier(OTA) for 1.2V Bandgap Reference(BGR)." In 2024 4th International Conference on Intelligent Technologies (CONIT). IEEE, 2024. http://dx.doi.org/10.1109/conit61985.2024.10627716.

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Zanjani, S. Mohammadali, Hamed Saedi, and Mostafa Parvizi. "Design of a New Low-Voltage Low-Power Operational Transconductance Amplifier for OTA-C Filter Applications." In 2024 19th Iranian Conference on Intelligent Systems (ICIS). IEEE, 2024. https://doi.org/10.1109/icis64839.2024.10887453.

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Jayachandran, Remya, Edet Bijoy Kumaradhas, and Arun S. "Design of Second Order Low Pass Filter Using Inverter-Based CMOS Operational Transconductance Amplifier (OTA) Through gm/ID Methodology." In 2024 IEEE International Conference of Electron Devices Society Kolkata Chapter (EDKCON). IEEE, 2024. https://doi.org/10.1109/edkcon62339.2024.10870702.

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Kumar, Ravi Ranjan, and Gautam Rana. "Low Power Linear Operational Transconductance Amplifier." In 2024 4th International Conference on Sustainable Expert Systems (ICSES). IEEE, 2024. https://doi.org/10.1109/icses63445.2024.10763255.

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Toledo, Pedro, Sergio Bampi, and Paolo Crovetti. "The Digital-Based Operational Transconductance Amplifier: Evolution and Perspective." In 2024 37th SBC/SBMicro/IEEE Symposium on Integrated Circuits and Systems Design (SBCCI). IEEE, 2024. http://dx.doi.org/10.1109/sbcci62366.2024.10703999.

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Ribeiro, Arllen D. R., Vanessa C. P. Silva, Joao A. Martino, Anabela Veloso, Naoto Horiguchi, and Paula G. D. Agopian. "Two-Stage Transconductance Operational Amplifier designed with VFET experimental data." In 2024 38th Symposium on Microelectronics Technology and Devices (SBMicro). IEEE, 2024. http://dx.doi.org/10.1109/sbmicro64348.2024.10673846.

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Pramath, V., G. Pavithra, Swapnil S. Ninawe, and T. C. Manjunath. "Advancements in Operational Transconductance Amplifiers (OTAs) for Design, Applications & Performance Optimization Techniques with Hardware Implementation." In 2024 IEEE International Conference of Electron Devices Society Kolkata Chapter (EDKCON). IEEE, 2024. https://doi.org/10.1109/edkcon62339.2024.10870654.

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Giustolisi, Gianluca, Alfio Dario Grasso, Muhammad Zahid Naveed, and Marco Privitera. "A Three-Stage Operational Transconductance Amplifier in TFT Flexible-Substrate Process." In 2024 39th Conference on Design of Circuits and Integrated Systems (DCIS). IEEE, 2024. https://doi.org/10.1109/dcis62603.2024.10769146.

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Kapur, G., C. M. Markan, S. Mittal, and V. P. Pyara. "Analog field programmable CMOS Operational Transconductance Amplifier (OTA)." In 2013 1st International Conference on Emerging Trends and Applications in Computer Science (ICETACS). IEEE, 2013. http://dx.doi.org/10.1109/icetacs.2013.6691417.

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Dutta, Somenath, Rahul Ranjan, Priya Kumari, Prachi Sinha, Rajeev Kumar Ranjan, and Dharmendra Kumar Singh. "Operational Transconductance Amplifier (OTA) based dual mode Multiphase Oscillator." In 2024 5th International Conference on Recent Trends in Computer Science and Technology (ICRTCST). IEEE, 2024. http://dx.doi.org/10.1109/icrtcst61793.2024.10578383.

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