high temperature superconducting digital circuits

MODELING AND MEASUREMENT OF ELECTROMAGNETIC RADIATED EMISSION FROM HIGH SPEED INTERCONNECTS IN DIGITAL CIRCUITS

Ngày tải lên : 09/09/2015, 08:12

... interconnects in digital circuits 153 Bibliography 155 vi SUMMARY With the increasing speed and density of digital integrated circuits (ICs), it has been found that digital devices ... may lead to complex EMI problems among digital circuits, which severely influence the performance of digital circuits Therefore, a stable and reliable digital device with limited electromagnetic ... necessary in the design cycle of digital circuits This thesis focuses on the modeling and measurement of electromagnetic radiated emission from interconnects in digital circuits Since the radiated...

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Tài liệu Digital Circuits doc

Ngày tải lên : 22/12/2013, 08:16

... digital circuits is still based on an analog world This chapter provides the theoretical foundations for building digital logic circuits using logic gates, the basic building blocks for all digital ... on the use of truth tables Digital Logic and Microprocessor Design with VHDL Last updated 6/16/2004 5:24 PM Chapter − Digital Circuits Page of 32 to describe digital circuits are given in the ... Chapter − Digital Circuits Page of 32 Chapter Digital Circuits Control Inputs Data Inputs Control unit '0' Datapath mux ff Nextstate...

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Báo cáo khoa học: Hyperthermophilic enzymes ) stability, activity and implementation strategies for high temperature applications pot

Ngày tải lên : 07/03/2014, 05:20

... increased yields when the reaction is performed at high temperatures; (e) the reactions kinetics are faster at high temperatures; (f) enzymatic processing at temperatures near or above 100 °C minimizes ... and mesophilic proteins at room temperature and increases with temperature, so as to allow for enzymatic activity near 100 °C It is only upon achieving these high temperatures that sufﬁcient molecular ... extremely high pressure [7] Recently discovered hyperthermophiles have been observed to grow at temperatures as high as 121 °C [8] Interestingly, hyperthermophilic microorganisms not grow below temperatures...

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singhal, s. c. (2002). high temperature solid oxide fuel cells - funda

Ngày tải lên : 18/04/2014, 12:25

... Singha1,J.Electrochern SOC.,137 (1990) 2937-2941 20 High Temperature Solid Oxide Fuel Cells: Fundamentals, Design and Applications U B, Pal and S C Singhal, High Temperature Science, 27 (1990) 251 C Bagger, ... Indeed, the heat is necessary to maintain the operating temperature of the cells The benefit of the SOFC over competing fuel cells is the higher temperature of the exhaust heat which makes its control ... available commercially for SOFC applications Higher conductivity can be obtained at higher dopant levels, but the expansion coefficient then becomes too high Lanthanum cobaltite is a much better...

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introduction to high-temperature superconductivity selected topics

Ngày tải lên : 24/04/2014, 17:13

... these, historically true, is that higher current density or higher magnetic field is more valuable than higher operating temperature Operating temperatures of 77 K or higher are preferable for all ... record to 133 K Under extremely high pressure,7 Tc can be pushed over 150 K As soon as one superconductor had reached a temperature above 77 K, the era of high- temperature superconductivity had ... operating temperature exceeds a certain value This temperature may be as low as 30 K for some materials and as high as 90 K for others.8 It is known from development of LTSC wires that high transport...

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carbon nanotube array thermal interfaces for high temperature silicon carbide devices

Ngày tải lên : 06/05/2014, 08:53

... operate SiC devices at temperatures as high as 500–600 C, while Si is generally limited to 125 C While the foregoing discussion highlights the advantage of SiC over Si for hightemperature applications, ... measurement of the phase shift signal, which exhibited higher noise levels at elevated temperatures as indicated by the larger error bars for higher temperatures in the graphical results that follow ... was modified as illustrated in Figure to allow resistance measurements from room temperature to 250 C (the highest temperature was limited to 250 C to ensure proper operation of the microphone)...

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Báo cáo hóa học: " Self-propagating high-temperature synthesis of nano-TiCx particles with different shapes by using carbon nano-tube as C source" doc

Ngày tải lên : 21/06/2014, 00:20

... powder by a self-propagating high- temperature synthesis technique Mater Lett 2004, 58:733-738 13 Khanra AK, Pathak LC, Mishra SK, Godkhindi MM: Self-propagating-hightemperature synthesis (SHS) ... nano-size ZrB2 powder by selfpropagating high- temperature synthesis J Eur Ceram Soc 2009, 29:1501-1506 15 Nersisyan HH, Lee JH, Won CW: Self-propagating high- temperature synthesis of nano-sized titanium ... combustion temperatures are quite low As another consequence of the high C concentration, the stoichiometry of these primitively formed TiCx particles in the Fe melt is relatively high Then,...

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Báo cáo hóa học: " Study of the formation processes of gold droplet arrays on Si substrates by high temperature anneals" docx

Ngày tải lên : 21/06/2014, 05:20

... arrays during the high temperature anneals Figure shows the contents of oxygen and gold in the subsurface layers of Au/Si structures after 15-s RTA treatments at different temperatures for the ... threshold temperature of about 800°C Besides, a nonlinear increase in the oxygen contents in the subsurface layers was observed with the increase of RTA temperature (by a factor of for the temperature ... not observed at any rate up to the temperature of 950°C (see Figure 5) Instead, the individual intergrain boundaries often form joints 120°j for the mentioned temperatures, indicating a steadystate...

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Research for Agricultural Sciences:" Effect of high temperature fluidized drying and tempering on head rice yield and mechanical strength of Vietnamese rice varieties " doc

Ngày tải lên : 21/06/2014, 06:20

... the low temperature drying at 35oC, the mechanical strength of the rice kernels was higher at high temperature drying (Table 2, Figure 8) This value was significantly higher at 90oC drying temperature ... occurrence of partial gelatinization of starch at high temperature Some researchers suggested the need for tempering the grain for 25-30 minutes if high temperature drying is used (Poomsa-ad et al ... feasibility of high temperature fluidized bed drying of high moisture content Vietnamese rice varieties (two rice varieties were considered in this study) To study the optimum drying temperature...

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Báo cáo hóa học: " High-Temperature Stable Operation of Nanoribbon Field-Effect Transistors" pot

Ngày tải lên : 21/06/2014, 08:20

... modulation as a function of temperature, we extracted the channel cross-section proﬁles containing the on- and off-current density distribution at different temperatures the room temperature value Such ... This variation of the current level or mobility can make the device difﬁcult to use in high- temperature or temperature- variable ambient applications To overcome such a thermal problem, which may ... room temperature up to 150°C; (1) A suitable positive bias VSUB is applied to realize this constant level operation, by enhancing the current level at elevated temperatures to the room temperature...

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Báo cáo hóa học: " Nanostructured Hypoeutectic Fe-B Alloy Prepared by a Self-propagating High Temperature Synthesis Combining a Rapid Cooling Technique" ppt

Ngày tải lên : 22/06/2014, 01:20

... nucleated within the c-Fe(B) phase with decreases of the temperature [25] The eutectoid transformation undergoes a similar process at 912 °C As the temperature, is decreased the B solid solution degree ... is associated with the solid solution transform temperature Tss detected at 1135 °C in the solid state, and the second one with the eutectic melt temperature at 1150 °C On further heating Fe2B ... yield strength is far higher than the reported 580 MPa of the coarse crystalline Fe83B17 alloy prepared by the traditional technique, and the plasticity strain retains a high value at the same...

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Báo cáo hóa học: " Self-assembled GaInNAs/GaAsN quantum dot lasers: solid source molecular beam epitaxy growth and high-temperature operation" pptx

Ngày tải lên : 22/06/2014, 22:20

... 1,700 lm2) at 10 °C High- temperature operation up to 65 °C was successfully demonstrated from an unbonded GaInNAs QD laser (50 · 1,060 lm2), with high T0 of 79.4 K in the temperature range of ... considerable interest in GaInNAs materials grown on GaAs substrate for realizing lowcost, high- performance and high- temperature laser diodes in the 1.3 lm and 1.55 lm wavelength region So far, GaInNAs ... height Moreover, for GaInNAs of high In composition, high- density dots can be formed at relatively lower surface coverage Besides smaller critical thickness in GaInNAs at high In composition, another...

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Báo cáo hóa học: " Self-organization of quantum-dot pairs by high-temperature droplet epitaxy" pptx

Ngày tải lên : 22/06/2014, 22:20

... these results are observed at a substrate temperature of 550 °C which is signiﬁcantly higher than previously reported dropletrelated experiments (growth temperatures of 200 °C or lower) [4–6] Traditional ... epitaxy has used low temperatures in an effort to directly crystallize the Ga droplets into GaAs without material redistribution On the other hand, in our approach we used high- temperature to encourage ... shaped nanostructures ranging from Figs to In contrast to the normal droplet epitaxy at low temperatures, high- temperature droplet epitaxy is 123 60 Nanoscale Res Lett (2006) 1:57–61 Fig AFM image...

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Handbook of High-Temperature Superconductor Electronics doc

Ngày tải lên : 27/06/2014, 15:20

... High- Temperature SQUID Magnetometer Neeraj Khare High- Temperature Superconducting Digital Circuits Mutsuo Hidaka Copyright © 2003 by Marcel Dekker, Inc All Rights Reserved viii 10 High- Temperature ... in High- Temperature Superconductors László Béla Kish Noise in High- Temperature Superconductor Josephson Junctions J.C Macfarlane, L Hao, and C.M Pegrum High- Temperature RF SQUIDS V I Shnyrkov High- Temperature ... Contents Preface Introduction to High- Temperature Superconductors Neeraj Khare Epitaxial Growth of Superconducting Cuprate Thin Films David P Norton High- Temperature Superconducting Multilayer Ramp-Edge...

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Analog and Digital Circuits for Electronic Control System Applications pdf

Ngày tải lên : 28/06/2014, 22:20

... analog, output analog c Sense the analog, convert to digital, compute digitally, output digitally d Sense digitally, compute digitally, output digitally Analog quantities: a vary smoothly, then ... basic digital- to-analog function The digital processing system outputs digital information in the form of digital codes, and as shown, the digital codes are usually presented to the input of the digital- to-analog ... indicated in Figure 1-7, and the need for analog circuits, digital circuits and the conversion circuits between them is immediately apparent Input could be a temperature, pressure, air flow, linear motion,...

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MATERIALS FOR HIGH TEMPERATURE SEMICONDUCTOR DEVICES ppt

Ngày tải lên : 29/06/2014, 09:21

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Báo cáo vật lý: "PHONON SPECTRA OF HIGH TEMPERATURE SUPERCONDUCTOR Bi2Sr2Ca2Cu3O10: THEORY AND EXPERIMENT" potx

Ngày tải lên : 07/08/2014, 14:20

... experimental results Phonon Spectra of High Temperature Superconductor 54 An attempt has been made in this paper to study phonon frequencies in Bi2Sr2Ca2Cu3O10 high temperature superconductor in the ... the high Tc superconductors have been performed for mainly two purposes The first was to calculate the electron-phonon interaction and its influence on the increased transition temperature for high ... vibrations have been carried out for the high temperature superconductors and the assignment of specific modes are looked into for the clear understanding of the superconducting mechanism This is not...

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High Temperature Strain of Metals and Alloys Part 1 ppt

Ngày tải lên : 10/08/2014, 12:21

... Helicoids 39 Total Combination of Structural Peculiarities of High- temperature Deformation 40 Summary 41 Physical Mechanism of Strain at High Temperatures Physical Model and Theory 43 Velocity of Dislocations ... Properties 111 Deformation at Lower Temperatures 116 Deformation at Higher Temperatures 124 On the Composition of Superalloys 129 Rafting 130 Effect of Composition and Temperature on γ/γ Misfit Other ... at high temperatures and is also of great interest for materials science research and practical applications Mechanical tests were historically the first method of investigating the high- temperature...

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High Temperature Strain of Metals and Alloys Part 2 pptx

Ngày tải lên : 10/08/2014, 12:21

... metal or an alloy is studied at a range of high temperatures as well as at room temperature From formulas for the intensities of scattered X-rays at two temperatures one can obtain an expression ... determined by the X-ray method at high temperatures Pure metals, solid solutions and nickel-based superalloys have been studied 25 Structural Parameters in High- Temperature Deformed Metals 3.1 ... reflection during high- temperature strain Copper tested at 610K under stress 14.7MPa (a) Before loading, (b) the end of the primary stage, the integral intensity has increased High Temperature Strain...

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High Temperature Strain of Metals and Alloys Part 3 pdf

Ngày tải lên : 10/08/2014, 12:21

... external conditions (temperature and stress) The substructure formation during high- temperature strain in vanadium is shown in Figs 3.6 and 3.7 The data are obtained at the same temperature 0.6 Tm ... = 17.3MPa; ×39 000 39 40 Structural Parameters in High- Temperature Deformed Metals 3.7 Total Combination of Structural Peculiarities of High- temperature Deformation The structural peculiarities ... 3.4 and 3.5 27 28 Structural Parameters in High- Temperature Deformed Metals Fig 3.5 Structural parameters versus time and creep curve for copper Tests at temperature T = 610K (0.45 Tm ); σ = 29.4...

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