Publication

Modeling Channel Thermal Noise and Induced Gate Noise in Junctionless FETs

Jean-Michel Sallese, Farzan Jazaeri
2015
Journal Articles

Abstract

This paper presents analytical expressions for channel noise, induced gate noise (IGN), and cross-correlation noise in a long-channel junctionless (JL) double-gate MOSFET. The analytical relationships, which have been derived from a coherent charge-based model, are validated with technology computer-aided design simulations, and the figures of merit have been compared with the inversion mode FETs. For a given current, we found that the channel thermal noise is very similar for both architectures, whereas the IGN is slightly decreased in the JL FETs.

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https://infoscience.epfl.ch/entities/publication/5a07427c-aa32-4cc3-be41-d4b6dd1fa3ff

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Jean-Michel Sallese, Farzan Jazaeri
2015
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/5a07427c-aa32-4cc3-be41-d4b6dd1fa3ff

About this result

Related concepts (16)

Field-effect transistor

The field-effect transistor (FET) is a type of transistor that uses an electric field to control the flow of current in a semiconductor. FETs (JFETs or MOSFETs) are devices with three terminals: source, gate, and drain. FETs control the flow of current by the application of a voltage to the gate, which in turn alters the conductivity between the drain and source. FETs are also known as unipolar transistors since they involve single-carrier-type operation.

Noise (electronics)

In electronics, noise is an unwanted disturbance in an electrical signal. Noise generated by electronic devices varies greatly as it is produced by several different effects. In particular, noise is inherent in physics and central to thermodynamics. Any conductor with electrical resistance will generate thermal noise inherently. The final elimination of thermal noise in electronics can only be achieved cryogenically, and even then quantum noise would remain inherent. Electronic noise is a common component of noise in signal processing.

Additive white Gaussian noise

Additive white Gaussian noise (AWGN) is a basic noise model used in information theory to mimic the effect of many random processes that occur in nature. The modifiers denote specific characteristics: Additive because it is added to any noise that might be intrinsic to the information system. White refers to the idea that it has uniform power spectral density across the frequency band for the information system. It is an analogy to the color white which may be realized by uniform emissions at all frequencies in the visible spectrum.

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