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Current division circuit implemented using CMOS technology

Current division circuit implemented using CMOS technology

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A simple circuit is proposed for dividing one current by another. This circuit is composed of two MOS transistors, a voltage comparator, and two capacitors. The divider operates well at low currents. Using 1.5 µm single-poly CMOS technology, the proposed circuit occupies a silicon area of ~30 µm × 40 µm.

References

    1. 1)
      • C. Dualibe , M. Verleysen , P. Jespers . Two-quadrant CMOS analogue divider. Electron. Lett. , 1164 - 1165
    2. 2)
      • C. Toumazou , F.J. Lidgey , D.G. Haigh . (1993) Analogue IC design: the current-mode approach.
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