نتایج جستجو برای: inductor cell

تعداد نتایج: 1686659  

Journal: :Physical review letters 2012
Daniel Sank R Barends Radoslaw C Bialczak Yu Chen J Kelly M Lenander E Lucero Matteo Mariantoni A Megrant M Neeley P J J O'Malley A Vainsencher H Wang J Wenner T C White T Yamamoto Yi Yin A N Cleland John M Martinis

We measure the dependence of qubit phase coherence and flux noise on inductor loop geometry. While wider inductor traces change neither the flux noise power spectrum nor the qubit dephasing time, increased inductance leads to a simultaneous increase in both. Using our new tomographic protocol for measuring low frequency flux noise, we make a direct comparison between the flux noise spectrum and...

2014
Anil Dutt

In this paper the recent trends for noise figure are streamlined in concurrence to Ultra Wide Band (UWB) radio transmission spectrum. A comparative study is made between design of single-stage differential low-noise amplifier and inductor-less broadband LNAs in a digital 45 nm CMOS technology. As we move from inductor less impedance to capacitive impedance, the average noise figure decreases in...

2009
Kinwah Wu K. Wu

This article reviews the current works on ultra-compact double-degenerate binaries in the presence of magnetic interaction, in particular, unipolar induction. The orbital dynamics and evolution of compact white-dwarf pairs are discussed in detail. Models and predictions of electron cyclotron masers from unipolar-inductor compact binaries and unipolar-inductor white-dwarf planetary systems are p...

1999
Lloyd Dixon

Current mode control as usually implemented in switching power supplies actually senses and controls peak inductor current. This gives rise to many serious problems, including poor noise immunity, a need for slope compensation, and peak-to-average current errors which the inherently low current loop gain cannot correct. Average current mode control eliminates these problems and may be used effe...

2012
Deyu Tu Robert Forchheimer

We propose an RLC model for PEDOT:PSS electrochemical transistors to interpret the persistent oscillating currents observed in experiments. The electrochemical reaction is represented by an inductor in the equivalent circuit. The simulation results show that an electrochemical device can be operated as normal transistors or oscillators under different voltage bias. This model predicts that anal...

2004
Liam Devlin

This paper describes the operation, design, implementation and performance of RF coupled resonator filters. It starts by considering discrete parallel inductor/capacitor resonators and then moves on to discuss the implementation of this style of filter at higher frequencies using short circuit co-axial resonators in place of the inductors. Introduction Shunt mounted resonators, comprising a dis...

2012
Y.-D. Kong Q.-X. Chu R.-L. Li

The stability and numerical error of the extended fourstages split-step finite-difference time-domain (SS4-FDTD) method including lumped inductors are systematically studied. In particular, three different formulations for the lumped inductor are analyzed: the explicit, the semi-implicit, and the implicit schemes. Then, the numerical stability of the extended SS4-FDTD method is analyzed by usin...

2017
Jussi Koppinen F. M. Mahafugur Rahman Marko Hinkkanen

The size of the LCL filter can be decreased significantly using higher switching frequencies enabled by next generation semiconductors. This paper studies the effects of the switching frequency of a grid converter on the LCL filter design. The goal in the design is to minimize the stored energy of the magnetic components. The core material of the converter-side inductor is selected based on the...

2013
V. K. Jayakrishnan M. V. Sarin K. Archana D. Elangovan R. Saravanakumar

This study proposes a method which consists of High step up DC-DC converter with a coupled inductor for distributed generation system. Theoretically the conventional boost converter provides high step up voltage gain but in practical it is limited by reverse recovery problem of diode, effective series impedance of inductors and capacitors and switching losses. High charged current and conductio...

2002
Jiong Chen Zhimin Wan

A new radio frequency (rf) linear accelerator (LINAC) system with high efficiency has been developed by AIBT. The general designs of such a rf LINAC system are briefly discussed. This system includes a plurality of resonators each including an inductor circuit that is connected to at least two rf electrodes. Detailed designs of a system where two of the adjacent rf electrodes are connected to t...

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