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Realization of Fractional Order Operations Using CNTFET Based Current Conveyors

 

 

G. Mani babu  1, B.T. Krishna 2

1 Department of ECE, UCEK, JNTUK

2 Department of ECEUCEK, JNTUK

 

 

Abstract— In Analog Circuits Low Power and High Performance are main Parameters so it has developed interest in designing carbon nanotube field-effect transistors (CNTFET) for their high mobility nature and lower nano-scale dimensions. CNTFET-based current conveyors are designed using integer order and fractional order oscillator, integrator, and differentiator and simulated in Cadence Virtuoso using a 32 nm CNTFET. FOCC (Fractional order current conveyors) oscillator have better frequency than integer order CNTFET current conveyors oscillators (66 MHz vs. 60 MHz) and they have wider phase zone (45–90° vs. 90°). while integrators and differentiators show better phase, broader bandwidth (100 MHz vs. 80 MHz; 120 MHz vs. 90 MHz). FOCCs also reduces power consumption (50 µW vs. 70 µW for oscillators).

Keywords—Metal Oxide Field Effective Transistor, carbon nanotube field-effect transistors, Fractional order current conveyors, oscillator, integrator and differentiator, Dual output-second-generation current conveyor

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