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Multifunctional adjustable biquadratic active RC filters: design approach by modification of corresponding signal flow graphs

Wybrane pełne teksty z tego czasopisma
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Warianty tytułu
PL
Wielofunkcyjny nastawny aktywny filtr RC - projektowanie z wykorzystaniem grafów przepływowych
Języki publikacji
EN
Abstrakty
EN
An useful modification of well known signal flow graph technique for the circuit synthesis is described in this paper in order to obtain the filters working in the current mode, with maximally variable parameters, namely characteristic frequency, quality factor, bandwidth and basic gain. Procedure is based on reciprocal conversion of the branch variables (V→I and I→V) with the adjustable conversion constants. The obtained structures are discussed in detail and then is described an example of current-mode multifunctional RC active biquadratic filter, what is today very popular analogue application. Theoretic assumptions are supported by experimental results using modern functional blocks CC II(-).
PL
Opisano metodę analizy grafów przepływowych do projektowania filtrów pracujących w trybie prądowym z uwzględnieniem charakterystyki częstotliwościowej, współczynnika jakości, pasma I wzmocnienia. Procedura bazuje na odwrotnej konwersji zmiennych. Otrzymaną strukturę filtru przedyskutowano na przykładzie wielofunkcyjnego filtru RC w trybie prądowym. Analiza teoretyczna poparta jest wynikami.
Rocznik
Strony
225--229
Opis fizyczny
Bibliogr. 30 poz., rys.
Twórcy
autor
autor
autor
autor
  • Dept of Radioelectronics, Faculty of Electrical Engineering and Communications, Brno University of Technology, Purkynova 118, 612 00 Brno, xsotne00@stud.feec.vutbr.cz
Bibliografia
  • [1] Biolek D., Senani R., Biolkova V., Kolka Z. Active elements for analog signal processing: Classification, Review, and New Proposal, Radioengineering, 17 (2008), No. 4, 15 - 32
  • [2] Geiger R. L., Sanchez-Sinencio E. Active Filter Design Using Operational Transconductance Amplifiers: A Tutorial, IEEE Circuits and Devices Magazine, 1 (1985), 20-32
  • [3] Tangsrirat W., Current-tunable current-mode multifunctional filter based on dual-output current-controlled conveyors, AEU – International Journal of Electronics and Communications, 61 (2007), No. 8, 528-533
  • [4] Keskin A. U., Biolek D., Hancioglu E., Biolkova V. Current-mode KHN filter employing Current Differencing Transconductance Amplifiers, AEU - Int. J. Electronics and Communications, 60 (2006), No. 6, 443-446
  • [5] Prokop R., Musil V., Modular approach to design of modern circuit blocks for current signal processing and new device CCTA, Proceedings of the Seventh IASTED International Conference on Signal and Image Processing 2005, 494-499
  • [6] Herencsar N., Koton J., Vrba K., Misurec J. A novel Current- Mode SIMO Type Universal Filter Using CFTAs, Contemporary Engineering Sciences, 2 (2009), No. 2, 59-66
  • [7] Hou C., Wu Y., Liu S. New configuration for single-CCII first- order and biquadratic current mode filters, International Journal of Electronics, 71 (1991), No. 4, 637-644
  • [8] Roberts G.W., Sedra A.S. All current-mode frequency selective filters, Electronics Letters, 25 (1989), No. 12, 759–760
  • [9] Hwang Y.S., Hung P.T., Chen W., Liu S.I. CCII-based linear transformation elliptic filters, International Journal of Electronics, 89 (2002), No. 2, 123–133
  • [10] Cicekoglu O., Toker A., Kuntman H. Universal immittance function simulators using current conveyors, Computers and Electrical Engineering, 27 (2001), No. 3, 227–238
  • [11] Kuo B. C. Linear networks and systems, MC-Graw Hill, New York, 1967.
  • [12] Dostal T. Filters with Multi-Loop Feedback Structure in Current Mode, Radioengineering, 12 (2003), No. 3, 6 - 11
  • [13] Chen W.K. The Circuits and Filters Handbook, New York: CRC Press 2003
  • [14] Toumazou C., Lidgey F.J., Haigh D.G. Analogue IC Design: The Current-Mode Approach, London: Peter Peregrinus Ltd 1990
  • [15] Kerwin W. J., Huelsman L. P., Newcomb W. R. State variable synthesis for insensitive integrated circuit transfer functions, IEEE-SC, 2 (1967), No. 2, 87-92
  • [16] Mason S. J. Feedback Theory: Further properties of Signal Flow Graphs, Proc. IRE, 44 (1956), No. 7, 920-926
  • [17] Coates C. L. Flow-graph Solution of Linear Algebraic Equations, IRE Trans. Circuit Theory, CT-6 (1959), 170-187
  • [18] Cajka J., Kvasil J. Linear Circuit Theory, SNTL Prague, 1979
  • [19] Biolek D., Biolkova V. Signal Flow Graphs Suitable for Teaching Circuit Analysis, Proceedings of the International Conference Radioelektronika 2001, 310-313
  • [20] Biolek D., Biolkova V. Analysis of Circuits Containing Active Elements by using Modified T-graphs, Proceedings of the International Conference on: Circuits, Systems, Communications and Computers CSCC 2001 Greece, 4431- 4435
  • [21] Biolek D., Biolkova V. Modelling and Optimization of Active Filters by Hybrid "VIV-MMC"-Graphs, Proceedings of the 4th World Multi-Conference on: Circuits, Systems, Communications and Computers CSCC’2000. Athens (Greece), 1321-1326.
  • [22] Biolek D., Biolkova V. Optimization of Filters with grounded OpAmps using “VIV”-graphs. Proceedings of the International Conference on Telecommunications (ICT 2000), 602-605
  • [23] Intersil (Elantec). EL 2082CN Current-Mode Multiplier - datasheet, 1996, 16 p., accessible on www: http://www.intersil.com
  • [24] Sotner R., Slezak J., Dostal T. Multifunctional Voltage Adjustable CM Biquad Using Commercially Available Current Conveyors, Elektronika, 2009, No. 12, 61-64
  • [25] Sotner R., Slezak J., Dostal T. Multifunctional Electronically Tunable Current Mode Biquad Using Commercially Available Current Conveyors, Proceedings of the 16th International Conference MIXED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS MIXDES 2009, 652-655
  • [26] Texas Instruments. BUF 634 250 mA High speed buffer. 2000, 14 p., accessible on www: http://www.ti.com
  • [27] Sotner R., Jerabek J., Dostal T., Vrba K. Multifunctional adjustable CM biquads based on distributed feedback VM prototype with OTA- s, Int. Journal of Electronics, 97 (2010), No. 7, 797 - 809
  • [28] Sotner R., Slezak J., Dostal T., Petrzela, J. Universal tunable current-mode biquad employing distributed feedback structure with MO-CCCII, J. of Electrical Engineering, 61 (2010), No. 1, 52-56
  • [29] Sotner R., Petrzela J., Slezak J. Current-Controlled Current- Mode Universal Biquad Employing Multi- Output Transconductors, Radioengineering, 18 (2009), No. 3, 285-294
  • [30] Jerabek J., Vrba K. SIMO type low-input and high-output impedance current- mode universal filter employing three universal current conveyors, AEU - International Journal of Electronics and Communications, 64 (2010), No. 6, 588-593
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW8-0017-0008
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