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3D Smith chart constant quality factor semi-circles contours for positive and negative resistance circuits

Publications associées (35)

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A Two-Wired High Input Impedance and High CMRR Active Electrode Insensitive to Component Mismatch

Alexandre Schmid, Mehdi Saberi

This article proposes a new two-wired amplifying active electrode (AE), presenting a high input impedance and a high common-mode rejection ratio (CMRR). In the proposed structure, the input impedance and the CMRR of the system are considerably increased by ...

Piscataway2024

Design and manufacture of edible microfluidic logic gates

Dario Floreano, Bokeon Kwak, Shuhang Zhang

Edible robotics is an emerging research field with potential use in environmental, food, and medical scenarios. In this context, the design of edible control circuits could increase the behavioral complexity of edible robots and reduce their dependence on ...

IEEE2023

This paper presents a novel impedance-sensing device and its related microfluidics system developed to characterize the macroscopical properties of bacteria and microparticles. The system is based on a phase-sensitive detector with square-waves excitation ...

IEEE2022

Single-Phase Measurement of the Output Impedance of the Four-Quadrant Cascaded H-Bridge Converter Cell Using Wideband Signals

Drazen Dujic, Marko Petkovic

The development and integration of power electronics equipment and converters for medium voltage ac and dc application has created different subsystem interactions that require proper investigation, understanding, description and estimation of global syste ...

IEEE2020

Multi-Variable High-Frequency Input-Admittance of Grid-Connected Converters: Modeling, Validation and Implications on Stability

Drazen Dujic, Francisco Daniel Freijedo Fernández, Marc Ferrer Duran

Modern grids are facing a massive integration of power electronics devices, usually associated to instability issues. In order to assess the likelihood and severity of harmonic instability in the high frequency region, this work develops a multi-variable i ...

2019

Impedance Analyser - Non-Linear Inductors and Capacitors Measurement

Impedance analyzers are essential equipment's for any engineer working in the domain of electrical circuits. The impedance of a circuit is determined by exciting this later with a sine voltage over a frequency span and by observing the current consequently ...

2019

Characterization and Compact Modeling of Nanometer CMOS Transistors at Deep-Cryogenic Temperatures

Edoardo Charbon, Harald Arjan Robert Homulle, Fabio Sebastiano

Cryogenic characterization and modeling of two nanometer bulk CMOS technologies (0.16-μm and 40-nm) are presented in this paper. Several devices from both technologies were extensively characterized at temperatures of 4 K and below. Based on a detailed und ...

2018

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Impedance stability methods are suitable for assessing the dynamics of power converters controllers, but also for ac/dc microgrids system level studies. This work proposes the combination of impedance modeling and conformal mapping for the identification o ...

2017

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This paper explores the potential and limitations of analog integrated circuit techniques for the simulation of low-loss or lossless 1D or 2D transmission mediums. In this approach, a transmission line is mapped into a ladder consisting of N identical LC e ...

Springer Verlag2016

Mesure et ajustement de résistances reliées triangulairement (fig. 1), sans système de garde – bases de calcul, aussi utiles pour la détermination des résistances individuelles d'un pont de mesure / de Wheatstone (fig. 2). Bemessung und Trimm von in Dreiec ...

EPFL-LPM2016