نتایج جستجو برای: capacitance

تعداد نتایج: 12164  

2017
Qinghua Tian Xiang Wang Guoyong Huang Xueyi Guo

Nanostructured Co doped Mn3O4 spinel structure ((Co, Mn)3O4) were prepared by co-precipitation under O3 oxidizing conditions and post-heat treatment. The product was composed of nanogranules with a diameter of 20-60 nm. The electrochemical performance of (Co, Mn)3O4 electrode was tested by cyclic voltammetry, impedance, and galvanostatic charge-discharge measurements. A maximum specific capacit...

2007
Timothy D. Drysdale Andrew R. Brown Gareth Roy Scott Roy Asen Asenov

End of the roadmap integrated circuit interconnects suffer from capacitance variability due to line edge roughness (LER), significantly impacting overall circuit performance. We forecast the capacitance variability of short range interconnects with realistic line edge roughness at the upcoming 45, 32, and 22 nm technology nodes using a fast TCAD capacitance tool. Capacitance variability is layo...

2010
A. Chilingarov

The capacitance between a single sensor strip and the backplane Csb=1.5 pF, bias resistor from the strip implant to the bias rail Rb=1.4 M, decoupling capacitance between the implant and Al readout strip Cdec=120 pF. Two sensors connected to a hybrid have an external capacitance between their backplanes and the ground Cbp=50 nF and a series resistor between this capacitance and the voltage sou...

2008
C. Hoyle

Transimpedance amplifiers using voltage feedback operational amplifiers are widely used for current to voltage conversion in applications when a moderatehigh bandwidth and a high sensitivity are required, such as photodiodes, photomultipliers, electron multipliers and capacitive sensors. The conventional circuit presents a virtual earth to the input and at low frequencies, the input capacitance...

2013
Ping Li Tao Liang Yangchun Cheng Liang Zhao

According to the transfer impedance getting from distributed parameter model,we analyse the influences of magnetic conductivity , the number of turns ,capacitance to the shield and interturn capacitance on the high frequency characteristic of Rogowski coil through theories and simulations. Simulation shows that there are a series of zeros in high frequency band, but on the whole, the high frequ...

2011
Swati Devabhaktuni

This paper presents simple and accurate approach to compute the minimum value of capacitance required for initiating the voltage build-up in a three-phase selfexcited induction generator. Based on the steady-state equivalent circuit model different numerical methods for solving frequency are known from previous literature, which are of 6 th order polynomial. In this paper the order of the polyn...

1999
T. M. Shaw M. Huang R. B. Laibowitz J. D. Baniecki

Barium strontium titanate thin films are being developed as capacitors in dynamic random access memories. These films, grown on silicon substrates, are under tensile residual stress. By a converse electrostrictive effect, the in-plane tensile stress reduces the capacitance in the thickness direction of the film. We measured the substrate curvature change upon the removal of the film, and found ...

2013
Bishwajeet Pandey Jyotsana Yadav Deepa Singh Viswam Parthiban

In this work, capacitance and technology scaling is used for further reduction in IOs power. On 40nm technology and 10 GHz operating frequency, there is 4.59%, 9.38%, 13.97% and 18.76% reduction in IOs power when capacitance change from 5pF to 4pF, 3pF, 2pF and 1pF respectively. On 28nm technology and 10 GHz operating frequency, there is 5.54%, 11.32%, 16.86%, and 20.72% reduction in IOs power ...

2006
W. L. Liu W. J. Chen S. H. Hsieh T. K. Tsai

A microfluidic channel and a contactless capacitance detector were integrated on a glass chip by a semiconductor manufacturing process for separating and analyzing Rhodamine B and inorganic ion. The electrodes of the capacitance detector were formed successively by sputtering, electroless and electrodepositions. Samples containing fluorescent agent (Rhodamine B) and inorganic ions (K, Na, and L...

2007
Todd Hubing M. Xu J. Chen J. Drewniak T. Van Doren R. DuBroff

The purpose of decoupling capacitors on printed circuit boards is to meet the instantaneous current demands of high-speed active devices while minimizing power bus noise. Embedded capacitance is an alternative to discrete decoupling capacitors and is achieved by taking advantage of the natural capacitance between the power and ground planes. This paper investigates the electrical properties of ...

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