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2011•International Conference on CircuitsRequires access

A low voltage and low power electronically tunable resistor with positive, negative, linear and nonlinear I-V characteristics

Roshanak Alavifard, Mohammad Pooyan

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Abstract

In this paper a linear, nonlinear, positive and negative electronically tunable resistor which is low voltage and low power is presented. By proper transcurrent circuit, its I-V characteristics can be linear, expansive (kx2) and compressive (k√x). The designed circuit is simulated in an industrial 65nm CMOS process. Dynamic range of the proposed electronically tunable resistor is ±1V and supply voltage is ±1V, too. The resistive value of the linear electronically tunable resistor is extended from 13KΩ to 74MΩ.

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What this paper is about

In this paper a linear, nonlinear, positive and negative electronically tunable resistor which is low voltage and low power is presented. By proper transcurrent circuit, its I-V characteristics can be linear, expansive (kx2) and compressive (k√x). The designed circuit is simulated in an industrial 65nm CMOS process. Dynamic range of the proposed electronically tunable resistor is ±1V and supply voltage is ±1V, too. The resistive value of the linear electronically tunable resistor is extended from 13KΩ to 74MΩ.

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Available abstract

In this paper a linear, nonlinear, positive and negative electronically tunable resistor which is low voltage and low power is presented. By proper transcurrent circuit, its I-V characteristics can be linear, expansive (kx2) and compressive (k√x). The designed circuit is simulated in an industrial 65nm CMOS process. Dynamic range of the proposed electronically tunable resistor is ±1V and supply voltage is ±1V, too. The resistive value of the linear electronically tunable resistor is extended from 13KΩ to 74MΩ.

Key concepts: Resistor, Pull-up resistor, Voltage, CMOS, Electrical engineering, Nonlinear system, Resistive touchscreen, Materials science

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