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Book
IEEE Recommended Practices for Modulating Current in High-Brightness LEDs for Mitigating Health Risks to Viewers
Author:
ISBN: 0738196444 Year: 2015 Publisher: New York, N.Y. : IEEE,

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Abstract

This document includes a definition of the concept of modulation frequencies for light-emitting diodes (LEDs), a discussion on their applications to LED lighting, a description of LED lighting applications in which modulation frequencies pose possible health risks to users, a discussion of the dimming of LEDs by modulating the frequency of driving currents-voltage, and recommendations for modulation frequencies (flicker) for LED lighting and dimming applications to help protect against known potential adverse health effects.


Book
Principles and technology of MODFETs
Authors: --- ---
ISBN: 0471929956 Year: 1991 Publisher: Chichester New York Toronto Wiley

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Abstract

Gallium arsenide digital circuits
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ISBN: 0792390814 9780792390817 Year: 1990 Publisher: Boston: Kluwer,

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Book
Nonlinear Design : FETs and HEMTs.
Author:
ISBN: 1630818690 Year: 2021 Publisher: Norwood : Artech House,

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Despite its continuing popularity, the so-called standard circuit model of compound semiconductor field-effect transistors (FETs) and high electron mobility transistors (HEMTs) is shown to have a limitation for nonlinear analysis and design: it is valid only in the static limit. When the voltages and currents are time-varying, as they must be for these devices to have any practical use, the model progressively fails for higher specification circuits. This book shows how to reform the standard model to render it fully compliant with the way FETs and HEMTs actually function, thus rendering it valid dynamically. Proof-of-principle is demonstrated for several practical circuits, including a frequency doubler and amplifiers with demanding performance criteria. Methods for extracting both the reformulated model and the standard model are described, including a scheme for re-constructing from S-parameters the bias-dependent dynamic (or RF) I(V) characteristics along which devices work in real-world applications, and as needed for the design of nonlinear circuits using harmonic-balance and time-domain simulators. The book includes a historical review of how variations on the standard model theme evolved, leading up to one of the most widely used--the Angelov (or Chalmers) model.


Multi
Advanced SPICE Model for GaN HEMTs (ASM-HEMT)
Authors: ---
ISBN: 9783030777302 9783030777296 9783030777319 9783030777326 Year: 2022 Publisher: Cham Springer International Publishing :Imprint: Springer

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Abstract

This book discusses in detail the Advanced SPICE Model for GaN HEMTs (ASM-HEMT), a new industry standard model for GaN-based power and RF circuit design. The author describes this new, standard model in detail, covering the different components of the ASM GaN model from fundamental derivations to the implementation in circuit simulation tools. The book also includes a detailed description of parameter extraction steps and model quality tests, which are critically important for effective use of this standard model in circuit simulation and product design. Coverage includes both radio-frequency (RF), and power electronics applications of this model. Practical issues related to measurement data and parameter extraction flow are also discussed, enabling readers easily to adopt this new model for design flow and simulation tools. Describes in detail a new industry standard for GaN-based power and RF circuit design; Includes discussion of practical problems and their solutions in GaN device modeling; Covers both radio-frequency (RF) and power electronics application of GaN technology; Describes modeling of both GaN RF and power devices.


Book
Microwave MESFETs and HEMTs.
Author:
ISBN: 0890064261 9780890064269 Year: 1991 Publisher: Boston Artech house

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Book
Device characterization and modeling of large-size GaN HEMTs
Author:
ISBN: 3862193659 9783862193653 9783862193646 3862193640 Year: 2012 Publisher: Kassel : Kassel University Press,

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