| 2/2013 - 11 |
Design of Novel Precise Quadrature Oscillators Employing ECCIIs with Electronic ControlSOTNER, R.   , LAHIRI, A. , KARTCI, A. , HERENCSAR, N. , JERABEK, J. , VRBA, K. |
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Author keywords
direct electronic control, current gain adjusting, electronically controllable current conveyors, quadrature oscillators, signal flow graph approach
References keywords
current(27), signal(13), mode(13), circuits(13), processing(11), oscillator(10), analog(10), tunable(9), filter(9), electronically(9)
Blue keywords are present in both the references section and the paper title.
About this article
Date of Publication: 2013-05-31
Volume 13, Issue 2, Year 2013, On page(s): 65 - 72
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2013.02011
Web of Science Accession Number: 000322179400011
SCOPUS ID: 84878938889
Abstract
In this paper, an interesting design of precise quadrature oscillator employing electronically controllable current conveyors of the second generation (ECCII) is presented. The main purpose of this paper is to show advantages and features of direct electronic control of application by an adjustable current gain where help of signal flow graph approach was used to clearer and visual understanding of the design. The discussed circuit and its presented modification have several favorable features such as grounded capacitors, independent electronic adjusting of oscillation frequency and condition of oscillation by the current gain and easy automatic gain control circuit (AGC) implementation (non-ideal effects of tuning process on output amplitudes are suppressed). Oscillator was designed for frequency band of units of MHz and tested with two types of inertial AGCs. Theoretical presumptions were confirmed by laboratory experiments. |
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[1] Study of impact of voltage gain of comparator on performance of newly designed functional generator, Sotner, Roman, Jerabek, Jan, Herencsar, Norbert, Optik, ISSN 0030-4026, Issue , 2018.
Digital Object Identifier: 10.1016/j.ijleo.2018.06.140 [CrossRef]
[2] Quadrature voltage control oscillator with a linear tuning law, Nandi, Rabindranath, Mathur, Koushick, Venkateswaran, Palaniandavar, IET Circuits, Devices & Systems, ISSN 1751-858X, Issue 2, Volume 12, 2018.
Digital Object Identifier: 10.1049/iet-cds.2017.0251 [CrossRef]
[3] Current/Voltage Controlled Quadrature Sinusoidal Oscillators for Phase Sensitive Detection Using Commercially Available IC, Jaikla, Winai, Adhan, Suchin, Suwanjan, Peerawut, Kumngern, Montree, Sensors, ISSN 1424-8220, Issue 5, Volume 20, 2020.
Digital Object Identifier: 10.3390/s20051319 [CrossRef]
[4] Comparison of Two Solutions of Quadrature Oscillators With Linear Control of Frequency of Oscillation Employing Modern Commercially Available Devices, Sotner, Roman, Jerabek, Jan, Langhammer, Lukas, Polak, Josef, Herencsar, Norbert, Prokop, Roman, Petrzela, Jiri, Jaikla, Winai, Circuits, Systems, and Signal Processing, ISSN 0278-081X, Issue 11, Volume 34, 2015.
Digital Object Identifier: 10.1007/s00034-015-0015-7 [CrossRef]
[5] Electronically tunable current-mode biquadratic filter and four-phase quadrature oscillator, Li, Yong An, Microelectronics Journal, ISSN 0026-2692, Issue 3, Volume 45, 2014.
Digital Object Identifier: 10.1016/j.mejo.2013.12.005 [CrossRef]
[6] Exponentially tunable voltage controlled quadrature oscillator, Sotner, Roman, Jerabek, Jan, Petrzela, Jiri, Domansky, Ondrej, Jaikla, Winai, Dostal, Tomas, 2017 40th International Conference on Telecommunications and Signal Processing (TSP), ISBN 978-1-5090-3982-1, 2017.
Digital Object Identifier: 10.1109/TSP.2017.8075992 [CrossRef]
[7] Design of Electronically Controllable Quadrature Sinusoidal Oscillator with Linear Control of Frequency, Jaikla, Winai, Suwanjan, Peerawut, Chaichana, Amornchai, Sotner, Roman, 2019 2nd World Symposium on Communication Engineering (WSCE), ISBN 978-1-7281-5329-2, 2019.
Digital Object Identifier: 10.1109/WSCE49000.2019.9041085 [CrossRef]
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Stefan cel Mare University of Suceava, Romania
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
All rights reserved: Advances in Electrical and Computer Engineering is a registered trademark of the Stefan cel Mare University of Suceava. No part of this publication may be reproduced, stored in a retrieval system, photocopied, recorded or archived, without the written permission from the Editor. When authors submit their papers for publication, they agree that the copyright for their article be transferred to the Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, Romania, if and only if the articles are accepted for publication. The copyright covers the exclusive rights to reproduce and distribute the article, including reprints and translations.
Permission for other use: The copyright owner's consent does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific written permission must be obtained from the Editor for such copying. Direct linking to files hosted on this website is strictly prohibited.
Disclaimer: Whilst every effort is made by the publishers and editorial board to see that no inaccurate or misleading data, opinions or statements appear in this journal, they wish to make it clear that all information and opinions formulated in the articles, as well as linguistic accuracy, are the sole responsibility of the author.
