fixed duty cycle settings
AN0823 analog design in a digital world using mixed signal controllers
... Application Note The PSMC is capable of the following fixed duty cycle settings shown in Table 4: TABLE 4: FIXED DUTY CYCLE SETTINGS Fixed Duty Cycle DC 12.50% 00 37.50% 01 62.50% 10 93.75% ... The PSMC is capable of the following minimum and maximum duty cycle settings shown in Tables and TABLE 2: MINIMUM DUTY CYCLE Minimum Duty Cycle MINDC 0.0% 00 12.5% 01 25.0% 10 37.5% 11 TABLE ... prescaler EQUATION 7: PULSE SKIP MODE (PSM) MAXIMUM DUTY CYCLE Maximum Duty Cycle MAXDC 50.00% 00 62.5% 01 75.0% 10 93.75% 11 Pulse frequency Duty cycle The pulse frequency is a function of the...
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Tài liệu DUTY CYCLE pdf
... dBm/dBW rather than converting to, and using absolute units Duty cycle (dB) = 10 log (duty cycle ratio) [5] For the example of the 0.001 duty cycle, this would be 10 log(0.001) = -30 dB Thus the average ... reading Besides expressing duty cycle as a ratio as obtained in equation [4], it is commonly expressed as either a percentage or in decibels (dB) To express the duty cycle of equation [4] as a ... percentage, multiply the value obtained by 100 and add the percent symbol Thus a duty cycle of 0.001 is also 0.1% The duty cycle can be expressed logarithmically (dB) so it can be added to or subtracted...
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Báo cáo hóa học: " Research Article Trade-Offs between Energy Saving and Reliability in Low Duty Cycle Wireless Sensor Networks Using a Packet Splitting Forwarding Technique" docx
... 1)TC Figure 4: Duty- cycles synchronization period (or cycle time) and with pDC the duty- cycle, that is, the fraction of time when a node is in active state Obviously, a low dutycycle is desirable ... derived in [1] are valid also if a dutycycle technique is adopted Now, we consider the effect of small duty- cycle mismatching (i.e., synchronization faults) Duty- cycles mismatching are possible, ... parameter f can be properly chosen in order to cope with possible duty- cycle mismatching Duty- Cycling Parameters When a duty- cycle technique is adopted, a node periodically switches from an active...
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AN1473 various solutions for calculating a pulse and duty cycle
... (Interrupt-On-Change) With Timer”, the duty cycle percentage is then: EQUATION 4: DUTY CYCLE PERCENTAGE EQUATION W Duty cycle % = - * 100 T OVERVIEW Another method to measure the duty cycle is setting up ... approximate duty cycle of 60% (3 High counts / total counts) A more realistic waveform may have its period many times greater than this clock counts The measured duty cycle is then: EQUATION 2: Duty Cycle ... Input DUTY CYCLE MEASUREMENTS This method can be used by any PIC device and is the most basic in terms of modules required (PORT) This section will describe how to measure a waveform’s duty cycle...
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cell cycle regulation - Ebook USA ( biotechnology)
... Division of the cell cycle into temporally ordered, discrete steps implied different proteins regulate specific cell cycle transitions (Hartwell 1974) If so, then factors advancing cell cycle progression ... of cell cycle progression during G1 Basic underlying principles derived from these investigations are: 1) cell cycle machinery is evolutionarily conserved, 2) transitions between cell cycle phases ... starvation not only blocks cell cycle progression, but causes cells to exit the cycle and enter G0 However, if serum is removed after this point, cells continue through the cycle unhindered (Zetterberg...
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Báo cáo y học: "NITRIC OXIDE (NO), CITRULLINE – NO CYCLE ENZYMES, GLUTAMINE SYNTHETASE AND OXIDATIVE STRESS IN ANOXIA (HYPOBARIC HYPOXIA) AND REPERFUSION IN RAT BRAIN"
... by-product can be recycled to arginine by successive actions of argininosuccinate synthetase (AS; EC 6.3.4.5) and argininosuccinate lyase (AL; EC 4.3.2.1) via the citrulline-NO cycle (18) Arginine ... cerebellum suggests a higher flux of the citrulline-NO cycle in cerebellum The functional significance of such a high flux of citrulline-NO cycle in cerebellum needs further clarification Our results ... citrulline-NO cycle enzymes, arginase and related metabolites in different regions of rat brain Neurosci Res 2005; 53: 116-122 26 Levin B Hereditary metabolic disorders of urea cycle In: Bodensky...
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Báo cáo y học: "BRCA1 May Modulate Neuronal Cell Cycle Re-Entry in Alzheimer Disease"
... immediately, neurons may attempt to survive by initiating cell cycle progression, and attempting to control the deregulated cell cycle and concurrent apoptotic signaling BRCA1 is a tumor suppressor ... with the hypothesis that cell cycle changes take place very early in the progression of the disease, long before the presence of other pathology Over time, DNA and cell cycle changes may compound, ... al Abnormal expression of the cell cycle regulators P16 and CDK4 in Alzheimer's disease Am J Pathol 1997; 150: 1933-9 Nagy Z, Esiri MM, Cato AM, et al Cell cycle markers in the hippocampus in...
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Báo cáo y học: "Cell Cycle Arrest by a Natural Product via G2/M Checkpoint"
... proliferation through the induction of apoptosis and G2/M cell cycle arrest To further elucidate the mechanism of CKBM on apoptosis and G2/M cell cycle arrest, we studied the cellular protein expression ... (Fig 2) The effect of CKBM on cell cycle was evaluated using flow cytometric analysis We observed a dose-dependent but timeindependent effect of CKBM on the cell cycle After 72 hr of % CKBM treatment, ... 0.8 2.5 3.0 3.4 5.0 14.3 p21 Cell cycle checkpoints are important control 1.0 1.5 1.2 2.0 2.4 3.3 14-3-3 mechanisms that ensure the proper execution of cell cycle events One of the checkpoints,...
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Báo cáo y học: "Study of the early steps of the Hepatitis B Virus life cycle"
... replication finally complete the early steps of virus life cycle The attachment of HBV A major limitation to study HBV early steps of life cycle is lack of an in vitro infection system Although HBV ... glycans in the surface proteins, and then are secreted out of the host cell to finish the life cycle HBV replication and viral protein synthesis in the infected cells are fairly well elucidated ... overwhelmingly in excess to infectious particles, which is the majority of the two types [3, 4] The life cycle of HBV is believed to begin when the virus attaches to the host cell membrane via its envelope...
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Six Sigma and the Product Development Cycle
... Six Sigma and the Product Development Cycle This page intentionally left blank Six Sigma and the Product Development Cycle Graham Wilson AMSTERDAM • BOSTON • HEIDELBERG • LONDON ... x Culture What is six sigma? 12 The transformation that is six sigma 27 The product development cycle 48 Quality function deployment 69 Taguchi’s techniques 107 Statistical process control 179 ... success-making ingredients for business Of course, the 1970s did not Six Sigma and the Product Development Cycle have a monopoly on them (It is sometimes interesting hearing someone describing a stylish...
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Global Strength Assessment Requirement of Ageing Fixed Offshore Structure with Joint Anomalies
... Global Strength Requirement of Ageing Fixed Offshore Structure with Joint Anomalies INTRODUCTION To date, there are increasing numbers of ageing fixed offshore structure worldwide as well ... detected; RSR of the structure is retrieved at the structure’s collapse point In this paper, a 3-legged fixed offshore structure with joint anomalies is selected for ultimate strength assessment The purpose ... Table Figure Structural Model and its Associated Anomalies Global Strength Requirement of Ageing Fixed Offshore Structure with Joint Anomalies Table Descriptions of the Structure Design service...
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fixed income performance attribution
... 2005) Fixed income timing per month Accumulated fixed income timing 3.0 150 2.5 100 Fixed income timing benchmark (Bps.) Fixed income timing excess (Bps.) -50 Basis points Basis points 2.0 Fixed ... Fixed income timing (Bps.) 50 1.5 Fixed income timing excess (Bps.) 1.0 Fixed income timing (Bps.) 0.5 Fixed income timing benchmark (Bps.) 0.0 -0.5 -100 -1.0 Fig 24 Fixed income timing per month ... portfolio analyzed Fixed income currency return per month Accumulated fixed income currency return 250 800 200 700 150 600 Fixed income currency return (Bps.) 50 Basis points Fixed income currency...
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INCREASING THE EFFECTIVENESS OF DUTY-FREE BUSINESS THROUGH DIVERSIFYING MARKETING STRATEGIES AT NOIBAI AIRPORT SERVICES JOIN-STOCK COMPANY
... customers at duty- free shops On global scale, the largest retail duty- free shops include Abu Dhabi Dutyfree Shop, Bharain Duty- Free, Dubai Duty- Free (in United Arab Emirates), Dutyfree shops ... COMPANY, DUTY- FREE DEPARTMENT, DUTY- FREE SHOPS, THE FORMATION AND CONCEPTS OF DUTY- FREE GOODS This chapter is concerned with some basic information about DFD, NASCO, duty- free shop formation of duty- free ... COMPANY, DUTY- REE DEPARTMENT, DUTY- FREE SHOPS, THE FORMATION AND CONCEPTS OF DUTY- FREE BUSINESS 1.1 Introduce NoiBai Airport Services Join-Stock Company (NASCO), Duty- free Department (DFD) and Duty- free...
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Life cycle assessment of 50 kWp grid connected solar photovoltaic (SPV) system in India
... life cycle ( GJ ) Annual primary energy generation by the system ( GJ / year ) The total life -cycle GHG emissions (Mg-CO2eq) were generally estimated according to the full operational life cycle ... Harnessed (MW) 9755.85 2344.67 683.30 1033.73 58.91 2.12 13,878.58 Life cycle assessment An LCA is performed to evaluate the life -cycle energy usage and GHG emissions from electricity generation from ... material inventory for the total PV system life Compilation of the life cycle energy It is an inventory of the energy inputs The life cycle energy requirements should be considered initially as thermal...
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Thermodynamic analysis of gas – steam combined cycle with carbon dioxide (CO2) emissions saving
... combined cycle with vapor refrigeration system has been considered for the present study and analysis The topping cycle is based on the Brayton cycle and the bottoming cycle on the Rankine cycle ... Turbine Cycle for Combined Cycle Power Plant”, Energy Conversion and Management, 2008, Vol 49, p 551 [4] Yadav J.P., and Singh O “Thermodynamic Analysis of Air Cooled Simple Gas / Steam Combined Cycle ... Figure1 Schematic diagram of basic gas – single pressure steam combined (BIP) cycle with vapor compression refrigeration cycle Modelling and governing equations For thermodynamic analysis of the...
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Finite time exergoeconomic performance optimization for an irreversible universal steady flow variable-temperature heat reservoir heat pump cycle model
... the fixed β , Brayton heat pump cycle has the maximum Π opt , u among the six heat pump cycles, and Otto heat pump cycle has the minimum Figure Π opt , u vs β characteristics for six heat pump cycles ... heat pump cycles; uL = for Dual heat pump cycle; uH = for Miller heat pump cycle, respectively To illustrate the preceding analyses, one can take the irreversible Brayton heat pump cycle with ... CH → ∞ and CL → ∞ further, the cycle model is reduced to the endoreversible universal heat pump cycle model with constant-temperature heat reservoirs [30] Figure Cycle model According to the properties...
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Life cycle assessment (LCA) of an energy recovery plant in the olive oil industries
... cycle assessment and life cycle costing of bioethanol from sugarcane in Brazil Renew Sust Energ Rev;13 (6-7): 1613-1619 [24] Yee, K F., Tan, K T., Abdullah, A Z., and Teong, L K., 2009 Life cycle ... 14040: Environmental management – Life cycle assessment – Principles and framework [11] ISO Standards, 2006 ISO 14044: Environmental management – Life cycle assessment – Requirements and guidelines ... bioenergy: some theoretical issues with practical implications Int J Life Cycle Ass;14(4): 328-339 [14] Environment Agency, 2005 Life cycle assessment of disposable and reusable nappies in the UK Bristol...
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Utilization of activated carbon for the removal of basic dyes in fixed-bed microcolumn
... decreased with increasing EBRT Table shows the data of variable bed depth at a fixed flow rate (2 ml/min) in a fixed- bed column (3mm) for the removal of MB onto PAC2 The data in Table shows that ... (IJEE), Volume 4, Issue 5, 2013, pp.815-824 823 Table Data of variable bed depth at a fixed flow rate in a fixed- bed column for the removal of MB onto PAC2 Bed Depth (Z) Bed Volume (V) Mass Of ... the column The Thomas model is used to fulfil the purpose The mathematical representation for a fixed bed column with ideal breakthrough curve can be expressed as follows [4, 9]: Ct = C o + exp[k...
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Intake manifold design effect on air fuel mixing and flow for an LPG heavy duty engine
... the air-fuel mixture nature through the intake manifold is rarely studied, especially for heavy duty engine In this paper, a numerical simulation of the flow and air gas mixing fields is achieved ... Issue 1, 2012, pp.61-72 63 Table Characteristics of the IVECO engine Engine parameters Engine (four cycle) Reference Type Bore × Stroke (mm) Displacement (dm3) rod length (mm) Crank radius (mm) Compression...
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