Voltage Differencing Transconductance Amplifier based Ultra Low Power, Universal Filters and Oscillators using 32 nm CNTFET Technology

ISLOMBEK MAMATOV

Abstract


Carbon nanotube field effect transistor (CNTFET) is strong candidate to replace existing silicon based transistors. The ballistic transport of electrons in CNTFET channel leads to ultra-low power or high frequency devices. Since, lot of digital applications of CNCTFET were presented.  However, much less work was done in analog applications of CNTFETs. This paper presents analog applications of CNTFET and CNTFET implementation of voltage differencing transconductance amplifier (VDTA). The CNTFET VDTA based filters and oscillators were proposed. The VDTA circuits are   resistorless and  can be tuned electronically only  by changing transconductance.  The proposed CNTFET VDTA  show power consumption of 15000 times less than compared to 0.18um TSMC technology and significant reduction in chip area. All simulations were performed using HSPICE and  MATLAB simulation tools.


Keywords


Carbon Nanotube (CNT), Carbon Nanotube Field Effect Transistors(CNTFET), Voltage differencing Transconductance Amplifiers (VDTA), MOSFETS.

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DOI: https://doi.org/10.33180/InfMIDEM2020.401

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