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Current-controlled CMOS transconductor using bisection of input voltage

Current-controlled CMOS transconductor using bisection of input voltage

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  • Author(s): N. Tadić 1  and  D. Gobović 2
    • View affiliations
    • Affiliations: 1: Department of Electrical Engineering, University of Montenegro, Podgorica, Yugoslavia
      2: Department of Electrical Engineering, West Virginia State Community and Technical College, USA
  • Source: Volume 39, Issue 1, 9 January 2003, p. 45 – 46
    DOI:  10.1049/el:20030024 , Print ISSN 0013-5194, Online ISSN 1350-911X
© IEE
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The CMOS transconductor presented is based on bisection of the input voltage and use of a new type of current conveyor. The circuit operates at a supply of ±1.5 V. Simulation results show linearity error lower than 0.8% for input voltage swings up to ±0.5 V, and 5% frequency bandwidth of 97 MHz.

Inspec keywords: CMOS analogue integrated circuits; current conveyors

Other keywords: 97 MHz; input voltage bisection; current conveyor; frequency bandwidth; current-controlled CMOS transconductor; -1.5 to 1.5 V; mismatch analysis; input voltage swings; linearity error

Subjects: Active filters and other active networks; CMOS integrated circuits

References

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      • G. Ferri , N. Guerrini . High-valued passive element simulation using low-voltage low-power current conveyors for fully integrated applications. IEEE Trans. Circuits Syst., II: Analog Digit. Signal Process. , 405 - 409
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      • F. Maloberti , J. Franca , Y. Tsividis . (1994) Layout of analog mixed analog-digital circuits, Design of analog-digital VLSI circuits for telecommunication and signal processing.
    3. 3)
      • D.A. Johns , K. Martin . (1997) Analog integrated circuit design.
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      • Y.P. Tsividis . (1999) Operating modeling of the MOS transistor.
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      • P. O'Leary , R.S. Soin , F. Maloberti , J. Franca . (1991) Practical aspects of mixed analogue digital design, Analogue-digital ASICs, circuit techniques, design tools, and applications.
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      • S.T. Dupuie , M. Ismail , C. Toumazou , F.J. Lidgey , D.G. Haigh . (1990) High frequency CMOS transconductors, Analogue IC design: the current-mode approach.
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