functions interrupts and low power modes
Extending si CMOS ingaas and gesn high mobility channel transistors for future high speed and low power applications
... InGaAs and GeSn High Mobilty Channel Transistors for Future High Speed and Low Power Logic Application by GONG Xiao Doctor of Philosophy – NUS Graduate School for Integrative Sciences and Engineering ... (d), (e), and (f), the uniaxial strain not only leads to more warping of the topmost valence band, but also increases separation between bands of LH and HH, as compared with unstrained and biaxial ... Charge neutrality level eV EF Fermi level eV EG Bandgap eV EC Conduction band edge eV ΔEC Conduction band offset eV EV Valence band edge eV ΔEV Valence band offset eV Eox Oxide electric field V/cm...
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DESIGN OF ENERGY EFFICIENT WEARABLE ECG SYSTEM AND LOW POWER ASYNCHRONOUS MICROCONTROLLER
... wearability A highly integrated, low power chip with low noise amplifier, ADC and low pass filters were developed inorder to reduce the power consumption and the number of discrete IC components ... is low power, long time playing and large ECG data recording in NAND Flash In addition, the microcontroller is a significant source of power consumption unit In order to further reduce the power ... will handle the difficult part like hand shaking by itself It is engineered to meet IEEE 802.15.4 standards and support the unique needs of low- cost, low- power wireless sensor networks – The...
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Design and implementation of a high speed and low power flash ADC with fully dynamic comparators
... DESIGN AND IMPLEMENTATION OF A HIGH SPEED AND LOW POWER FLASH ADC WITH FULLY DYNAMIC COMPARATORS LI TI A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL AND COMPUTER ... source follower 50 Figure 4.9 Replica biasing for the source follower 52 Figure 4.10 Source follower with sampling switch and capacitor 53 VIII Figure 4.11Simulated output power ... as beneficial On one hand, there exists very high speed digital circuit with its ever growing processing power and efficiency On the other hand, analog circuit struggles and largely fails to keep...
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DESIGN OF ENERGY EFFICIENT WEARABLE ECG SYSTEM AND LOW POWER ASYNCHRONOUS MICROCONTROLLER
... wearability A highly integrated, low power chip with low noise amplifier, ADC and low pass filters were developed inorder to reduce the power consumption and the number of discrete IC components ... is low power, long time playing and large ECG data recording in NAND Flash In addition, the microcontroller is a significant source of power consumption unit In order to further reduce the power ... will handle the difficult part like hand shaking by itself It is engineered to meet IEEE 802.15.4 standards and support the unique needs of low- cost, low- power wireless sensor networks – The...
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Hydrodynamic and performance of low power turbines: conception, modelling and experimental tests
... of flow and binary capacity depends on the size of the rod when compared to the size of the handle There is an advantage in using the largest possible rod and in reducing the length of the handle ... of different scenarios and boundary conditions which are difficult to model experimentally These codes allow a better understanding of different hydraulic turbines and flow conditions [10] In ... analyse the variability of flow velocity along the surrounding turbine, several plans by sectioning the entrances and exists of the flow, the upstream and downstream runner and other plans where it...
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ultra low-power electronics and design
... INTRODUCTION……………………………………………………………………XIII ULTRA -LOW- POWER DESIGN: DEVICE AND LOGIC DESIGN APPROACHES……………………………………….………………………………….1 ON-CHIP OPTICAL INTERCONNECT FOR LOW- POWER …………………21 NANOTECHNOLOGIES FOR LOW POWER …………….…………………….40 ... to proposals on other levels in the design flow and to future work Keywords: Low- power design, dynamic power reduction, leakage power reduction, ultralow-Vth devices, multi-Vdd, multi-Vth, CVS ... of our ultra -low- Vth FETs (ulv) and of the standard low- Vth transistor are listed The Vth values are 165mV and 161mV for the ulv-NFET and ulv-PFET respectively, Ion increases by 35% and 22%, which...
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Báo cáo hóa học: "Two novel low-power and high-speed dynamic carbon nanotube full-adder cells" pdf
... adder and the design in [13] is the slowest full adder Proposed low power dynamic carbon nanotube full adder is 46% slower than the design in [15], 12% slower than the design in [6], 39% slower ... consume less power and have low power- delay product (PDP) compared to other classical CMOS and CNFET-based fulladder cells, presented in other papers The rest of this paper is organized as follows: ... design in [14], and 21% faster than the design in [13] Among the existing full adders, the power consumption of our proposed lowpower dynamic carbon nanotube full adder is lowest, and it is 48%...
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báo cáo hóa học:" Research Article Mixed-Signal Architectures for High-Efficiency and Low-Distortion Digital Audio Processing and Power Amplification" doc
... different cost -functions: low- distortion, high power efficiency, low circuit complexity and low sensitivity to parameter changes The selected amplifier architecture has been prototyped, for power levels ... pass-band ripple and stop-band attenuation (needed to meet a target THD < 0.2%) but allows for a larger transition band; indeed music signals rarely exceed the 17 kHz imposed by a passband of ... performance in terms of low- distortion and high power efficiency while still allowing a low- cost implementation: all the digital processing part integrated in a single device, for example, a low- complexity...
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Báo cáo hóa học: " Research Article Efficient Algorithm and Architecture of Critical-Band Transform for Low-Power Speech Applications" pdf
... constantbandwidth bands, and 14 constant-Q bands with Q = 6.9 SHORT-TIME CRITICAL-BAND ANALYSIS ON SPEECH In this section, the performance of the proposed 21-band Bark scale critical-band transform ... input speech signal and w[kcb , n] is a window function for each critical band The length of each window is N[kcb ] The fixed bandwidth in the low frequency range and constant-Q bandwidths in the ... 21-band Bark scale CBT with constantbandwidth bands (100 Hz), and 16 constant-Q bands (Q = 5.6) is constructed at a sampling rate of 16 kHz The parameter values are chosen so that the 21-band...
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Tunneling field effect transistors for low power logic design, simulation and technology demonstration
... and f c (E ) are the Fermi-Dirac distribution functions, and g c (E ) and g v (E ) are the density-of-states in the conduction band and the valence band, respectively According to Eqs (1.2) and ... (a) VGS = V and VDS = V, (b) VGS = V and VDS = V, and (c) VGS = VDS = V 26 Fig 2.5 (a) and (b) show CGD and CGS as functions of VGS with various VDS, respectively (c) CGD, CGS and CGG versus ... concentration Na and donor concentration Nd) along B-B’ in (b) (e) Band diagram illustrating the band-to-band tunneling of electrons along A-A’ in (a) (f) Band diagram illustrating the band-toband tunneling...
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A framework to explore low power architecture and variability aware timing estimation of FPGAs
... buffer is designed to allow different operating buffer modes to save power Third, a novel idea is proposed to handle process variations while considering spatial correlation and path reconvergence ... 4.3 Display of architecture after placement and routing 54 4.4 Placement and routing results 55 Case Study 1: A Low- power FPGA Architecture 59 5.1 Conventional ... inefficiency and impracticability, such a low level and detailed specification is not applied A more practical approach is to first design a basic tile with its interconnections manually and uses a...
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A low power design for arithmetic and logic unit
... units: one with fast performance and high power consumption and another with slow performance and low power consumption Both are used to execute instructions, but slow functional units are used ... with fast performance and high power consumption and another with slow performance and low power consumption Both CHAPTER INTRODUCTION are used to execute instructions, but slow functional units ... ARM11 series and IBM 405LP for portable handheld devices and the Intel Centrino and TransMeta Crusoe series for laptops and notebook personal computers In these microprocessors, power consumption...
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Solar and thermal energy scavenging system for low power application
... the power electronic converter for maximum power point tracking (MPPT) in the field of low power application Brunelli et al and Dondi et al in [6] and [7] emphasize the usage of two-stage power ... hot and cold sides VTEG Voltage generated by a thermoelectric generator IMPP Current at Maximum Power Point VMPP Voltage at Maximum Power Point PMPP Power at Maximum Power Point Pin , Pi Input Power ... equipment and essential logistical support Lastly, I would like to thank my fellow friends in the Electrical Machines and Drives Laboratory and Power Electronic Laboratory for their support and encouragement...
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Design and implementation of ultra low power sensor interface circuits for ECG acquisition
... low- noise frontend amplifier with programmable bandwidth and gain, and a 12-bit SAR ADC incorporating a dual-mode lowpower clock module The ultra -low power consumption is achieved through optimal ... programmable dual-clock scheme allows for flexible system-level power management to cater different power and accuracy requirements Figure 3.1: The proposed scalable low- power sensor interface architecture ... ultra -low- power circuits, and can be readily applied to other biological forms The organization of this dissertation is as follows Chapter outlines a brief background of the ECG signal and its...
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AN1267 nanowatt and nanowatt XLP™ technologies an introduction to microchip’s low power devices
... DS01267A-page AN1267 Idle and Doze Modes Clock Switching Idle and Doze modes are dynamic power reduction modes that are intended to allow more peripheral functionality than static power modes, such as Sleep, ... the lowest static power mode, producing the lowest power consumption possible without removing power to the part completely Deep Sleep reaches this low- power state by internally removing power ... implementing a low- power system in order to ensure the lowest power consumption possible WHEN TO USE IDLE AND DOZE MODES WHEN TO USE CLOCK SWITCHING Idle and Doze mode are dynamic modes, so while...
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ANALYSIS AND CONTROL OF MODES OF POWER SYSTEM FOR ENHANCING OPERATIONAL EFFECTIVENESS OF POWER MARKET
... impact of power system modes control on power market’s criterias Power system modes control will change power market’s criterias in formulas 1.11, 1.12 and 1.17 CHƯƠNG 2: ANALYSIS AND ASSESSMENT ... stability in power market operation of IEEE 39 bus and Vietnam power system in 2016 2 Methodology From document, experiment study and mathematical model CHAPTER 1: OVERVIEW OF POWER MARKET AND POWER ... ASSESSMENT VOLTAGE STABILITY OF POWER SYSTEM IN POWER MARKET OPERATION 2.1 Background With analysis and control of power system’s modes in power market condition, analysis and assessement voltage stability...
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A low power high dynamic range broadband variable gain amplifier for an ultra wideband receiver
... analog baseband of the receiver consists of a VGA between the low pass filter and the ADC (VGA2 as shown in Fig 1.1) This VGA must attain a wide bandwidth (250MHz) with minimum noise and power consumption ... stage with programmable current mirror, and resistor loads is designed for high frequency and low power communication applications, such as an Ultra Wideband (UWB) receiver system The gain can ... VDSAT 2 (2.1) where VDSAT1 and VDSAT2 are the saturation voltages (VDSAT = VGS – Vth) for M1 and M2 respectively, and (W/L)1 and (W/L)2 are the aspect ratios of M1 and M2 respectively Vin If...
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Experimental study of operation performance of a low power thermoelectric cooling dehumidifier
... performance of the TED, and to obtain the relationship between the COP and the input power, which is helpful for the optimal design of similar TEDs Experimental system and procedure 2.1 Experimental ... 4mm in thickness, and its maximum working voltage and current were 15 V and A In order to enhance heat transfer, two rectangular fin heat exchangers were amounted on the heat and cold side of ... Ventilation and Air Conditioning (GB 50019-2003), the allowable indoor relative humidity should range from 40 % to 65 % in summer and from 40 % to 60 % in winter Therefore, in this experiment, the lower...
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pratice variable speed and dirves power electronic
... 9550 Practical Variable Speed Drives and Power Electronics Torque (Nm) = 9550 × Power (kW) Speed (rev / min) • Energy Energy is the product of power and time and represents the rate at which work ... stable flow of Q1 m3/h is reached at point C and results in a head of H1 From the well-known pump formula, the power consumed by the pump is: Pump Power (kW) = k × Flow (m3/h) × Head (m) Pump Power ... motor and is characterized by constant power, reduced torque Practical Variable Speed Drives and Power Electronics • The output power is zero at zero speed In the normal speed range and at...
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Tài liệu Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers doc
... Signal Low- Power Shutdown Mode (MAX481/MAX483/MAX487) A low- power shutdown mode is initiated by bringing both RE high and DE low The devices will not shut down unless both the driver and receiver ... MAX481, MAX483, and MAX487, the tZH and tZL enable times assume the part was not in the lowpower shutdown state (the MAX485/MAX488–MAX491 and MAX1487 can not be shut down) The tZH(SHDN) and tZL(SHDN) ... Figures and 9, CL = 100pF, S1 closed MAX483/MAX487, Figures and 11, CL = 15pF, S2 closed MAX483/MAX487, Figures and 11, CL = 15pF, S1 closed _ Low- Power, ...
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