Publication

A High-Frequency MOS Transistor Model and its Effects on Radio-Frequency Circuits

Christian Enz
2000
Journal Articles

Abstract

Accurate modeling and efficient parameter extraction of a small signal equivalent circuit of MOS transistors for high-frequency operation are presented. The small-signal equivalent circuit is based on the quasi-static approximation which was found to be adequate up to 10 GHz for MOS transistors fabricated by a 20 GHz cutoff frequency technology. The extrinsic components and substrate coupling effects are properly included. Direct extraction is performed by Y-parameter analysis on the equivalent circuit in the linear and saturation regions of operation. A low-noise amplifier is used to illustrate the effects on circuit performance due to accurate inclusion of extrinsic components in the model. Good agreement between simulated results and measured data on high-frequency transistor characteristics has been achieved.

Official source

https://infoscience.epfl.ch/entities/publication/3be0174e-2989-4aa6-863c-024b66d9b471

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Christian Enz
2000
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/3be0174e-2989-4aa6-863c-024b66d9b471

About this result

Related concepts (32)

Transistor

A transistor is a semiconductor device used to amplify or switch electrical signals and power. It is one of the basic building blocks of modern electronics. It is composed of semiconductor material, usually with at least three terminals for connection to an electronic circuit. A voltage or current applied to one pair of the transistor's terminals controls the current through another pair of terminals. Because the controlled (output) power can be higher than the controlling (input) power, a transistor can amplify a signal.

LC circuit

File:LC parallel simple.svg|LC circuit diagram File:Low cost DCF77 receiver.jpg|LC circuit ''(left)'' consisting of ferrite coil and capacitor used as a tuned circuit in the receiver for a [[radio clock]] File:Tuned circuit of shortwave radio transmitter from 1938.jpg|Output tuned circuit of [[shortwave]] [[radio transmitter]] An LC circuit, also called a resonant circuit, tank circuit, or tuned circuit, is an electric circuit consisting of an inductor, represented by the letter L, and a capacitor, represented by the letter C, connected together.

Equivalent circuit

In electrical engineering, an equivalent circuit refers to a theoretical circuit that retains all of the electrical characteristics of a given circuit. Often, an equivalent circuit is sought that simplifies calculation, and more broadly, that is a simplest form of a more complex circuit in order to aid analysis. In its most common form, an equivalent circuit is made up of linear, passive elements. However, more complex equivalent circuits are used that approximate the nonlinear behavior of the original circuit as well.

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A High-Frequency MOS Transistor Model and its Effects on Radio-Frequency Circuits

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