CMOS differential difference current conveyors and their applications

CMOS differential difference current conveyors and their applications

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The authors present a new versatile circuit building block called a differential difference current conveyor (DDCC). An IC technique for implementing the DDCC is also presented. The DDCC-based frequency-selective circuits and nonlinear building blocks such as multiplier, squarer and square rooter are developed. Experimental results are given to demonstrate the feasibility of the proposed techniques, and they show that DDCC-based circuits offer a competitive design choice to CCII-based and DDA-based circuits.


    1. 1)
      • A second generation current conveyor and its applications
    2. 2)
      • The current conveyor: history, progress and new results
    3. 3)
      • Recent developments in current conveyors and current-mode circuits
    4. 4)
      • Nonlinear circuit applications withcurrent conveyors
    5. 5)
      • New current-conveyor-based single-resistance-controlled/voltage-controlledoscillator employing grounded capacitors
    6. 6)
      • A versatile building block: the CMOS differentialdifference amplifier
    7. 7)
      • A wide range differential difference amplifier:a basic block for analog signal processing in MOS technology
    8. 8)
      • Design and applications of a CMOS analog multiplier cellusing the differential difference amplifier
    9. 9)
      • Using active components to perform voltagedivision in digital-to-analog conversion
    10. 10)
      • Accurate CMOS-based current conveyors

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