AAT3157 数据资料DataSheet下载
... Ceramic capacitors less than 0.1µF are typically made from NPO or C0G materials. NPO and C0G materials generally have tight tolerance and are very stable over temperature. Larger capacitor values are usually composed of X7R, X5R, Z5U, or Y5V dielectric materials. Large ceramic capacitors (i.e., grea ...
... Ceramic capacitors less than 0.1µF are typically made from NPO or C0G materials. NPO and C0G materials generally have tight tolerance and are very stable over temperature. Larger capacitor values are usually composed of X7R, X5R, Z5U, or Y5V dielectric materials. Large ceramic capacitors (i.e., grea ...
Scheme - New Zealand Institute of Physics
... Define a volt as work done on a charged particle moving in a uniform electric field Write down the factors that determine resistance (including drawing these relationships on graphs), explain what resistivity is. Explain the difference between the EMF of a battery and its terminal potential. Include ...
... Define a volt as work done on a charged particle moving in a uniform electric field Write down the factors that determine resistance (including drawing these relationships on graphs), explain what resistivity is. Explain the difference between the EMF of a battery and its terminal potential. Include ...
AN#51
... Layer Capacitors (EDLCs) are used as energy storage devices for applications requiring power for short periods of time. Typically an EDLC consists of two porous carbon-based electrodes electrically isolated by a porous separator. The separator and the electrodes are impregnated with an electrolyte, ...
... Layer Capacitors (EDLCs) are used as energy storage devices for applications requiring power for short periods of time. Typically an EDLC consists of two porous carbon-based electrodes electrically isolated by a porous separator. The separator and the electrodes are impregnated with an electrolyte, ...
Load, Switch, and Commutation Considerations
... where toff is the turn-off period as shown in figure 6.4. The average power loss due to switching, which is required for the thermal design outlined in chapter 5, is obtained by multiplying energy loss W by the switching frequency fs. That is, the turn-on switching loss is given by Pon = I mVs t o ...
... where toff is the turn-off period as shown in figure 6.4. The average power loss due to switching, which is required for the thermal design outlined in chapter 5, is obtained by multiplying energy loss W by the switching frequency fs. That is, the turn-on switching loss is given by Pon = I mVs t o ...
AAT3340 数据资料DataSheet下载
... Power Efficiency and Device Evaluation The charge pump efficiency discussion in the following sections accounts only for efficiency of the charge pump section itself. Due to the unique circuit architecture and design of the AAT3340, it is very difficult to measure efficiency in terms of a percent va ...
... Power Efficiency and Device Evaluation The charge pump efficiency discussion in the following sections accounts only for efficiency of the charge pump section itself. Due to the unique circuit architecture and design of the AAT3340, it is very difficult to measure efficiency in terms of a percent va ...
Suoerconductiong guadrupole magnets system in the interaction
... The normal region does not expand at 297A ...
... The normal region does not expand at 297A ...
Magnetics Design 4 - Power Transformer Design
... 200-300kHz. At higher frequencies, eddy current losses take over, because they tend to vary with frequency squared (for the same flux swing and waveshape). Thus, at frequencies up to 200-300kHz, worst case is at low VIN and full load because of high winding losses. Once core eddy current losses beco ...
... 200-300kHz. At higher frequencies, eddy current losses take over, because they tend to vary with frequency squared (for the same flux swing and waveshape). Thus, at frequencies up to 200-300kHz, worst case is at low VIN and full load because of high winding losses. Once core eddy current losses beco ...
Magnetic Circuits - PEMCLAB
... wires, or microscopic currents associated with electrons in atomic orbits. The magnetic field B is defined in terms of force on moving charge in the Lorentz force law. The interaction of magnetic field with charge leads to many practical applications. Magnetic field sources are essentially dipolar i ...
... wires, or microscopic currents associated with electrons in atomic orbits. The magnetic field B is defined in terms of force on moving charge in the Lorentz force law. The interaction of magnetic field with charge leads to many practical applications. Magnetic field sources are essentially dipolar i ...
MAX1578/MAX1579 Complete Bias and White LED Power Supplies for Small TFT Displays
... to meet all the voltage requirements for small activematrix TFT-LCD displays in handheld devices where minimum external components and high efficiency are required. Each device consists of three advanced charge pumps for LCD bias power and a step-up converter for driving up to 8 series white LEDs fo ...
... to meet all the voltage requirements for small activematrix TFT-LCD displays in handheld devices where minimum external components and high efficiency are required. Each device consists of three advanced charge pumps for LCD bias power and a step-up converter for driving up to 8 series white LEDs fo ...
Basic Electrical Engineering for HVAC Engineers
... The current flows to the devices (called loads) through a “hot” wire and returns via a “neutral” wire because under normal conditions it’s maintained at zero volts, or what is referred to as ground potential. There are also two optional components that can be included in an electrical circuit. These ...
... The current flows to the devices (called loads) through a “hot” wire and returns via a “neutral” wire because under normal conditions it’s maintained at zero volts, or what is referred to as ground potential. There are also two optional components that can be included in an electrical circuit. These ...
A Class-E Inductive Powering Link with Backward Data
... The design and implementation of a wireless power and data transfer system based on inductive coupling, having the potential to be used in numerous implantable bio-medical sensors and systems, is presented. The system consists of an external (primary) unit and an internal (secondary) unit. The exter ...
... The design and implementation of a wireless power and data transfer system based on inductive coupling, having the potential to be used in numerous implantable bio-medical sensors and systems, is presented. The system consists of an external (primary) unit and an internal (secondary) unit. The exter ...
Atmel ATA5279/ATA5279C Antenna Driver for Multiple Antennas Features DATASHEET
... from the idle mode; however, current consumption is now higher as the output driver stages are operating and, depending on the selected output current, the DC-DC converter is also operating. If a connection failure (short circuit on any of the coil connection lines) is detected, the ATA5279 enters t ...
... from the idle mode; however, current consumption is now higher as the output driver stages are operating and, depending on the selected output current, the DC-DC converter is also operating. If a connection failure (short circuit on any of the coil connection lines) is detected, the ATA5279 enters t ...
Choosing servomotor brakes
... overlooked, for example, the consequences may be premature wear, degraded performance, and possibly catastrophic failure. ...
... overlooked, for example, the consequences may be premature wear, degraded performance, and possibly catastrophic failure. ...
Classification of capacitor allocation techniques
... Methods based on heuristic search techniques have been introduced for distribution system loss reduction by reconfiguration [26], [27]. Abdel-Salam et al. [28] proposed a heuristic technique based on the ideas from [26], [27] to identify a section in the distribution system with the highest losses d ...
... Methods based on heuristic search techniques have been introduced for distribution system loss reduction by reconfiguration [26], [27]. Abdel-Salam et al. [28] proposed a heuristic technique based on the ideas from [26], [27] to identify a section in the distribution system with the highest losses d ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
... seventh harmonic currents and the dc side sixth harmonic voltage, thus resulting in significant savings in harmonic filters [18]. However, because this configuration uses two 6-pulse CSCs that are connected in parallel, its cost is relatively high. The VSC, on the other hand, must be connected with ...
... seventh harmonic currents and the dc side sixth harmonic voltage, thus resulting in significant savings in harmonic filters [18]. However, because this configuration uses two 6-pulse CSCs that are connected in parallel, its cost is relatively high. The VSC, on the other hand, must be connected with ...
Class I, II, and III Dielectric Capacitor Codes
... The starting up of voltage across a capacitor is similar to the starting up of current across an inductor. The starting up of current across a capacitor is similar to the starting up of voltage across an inductor. ...
... The starting up of voltage across a capacitor is similar to the starting up of current across an inductor. The starting up of current across a capacitor is similar to the starting up of voltage across an inductor. ...
Electric Generator - KFUPM Faculty List
... installed before 1977 were not required to have scrubbers on them. This means that these generators are pouring out pure unfiltered pollution into the air. This is blowing over shopping centers, residential areas, schools, and the hospital, and can cause many health problems .another limitation is I ...
... installed before 1977 were not required to have scrubbers on them. This means that these generators are pouring out pure unfiltered pollution into the air. This is blowing over shopping centers, residential areas, schools, and the hospital, and can cause many health problems .another limitation is I ...
Coilgun
A coilgun (or Gauss rifle, in reference to Carl Friedrich Gauss, who formulated mathematical descriptions of the magnetic effect used by magnetic accelerators) is a type of projectile accelerator consisting of one or more coils used as electromagnets in the configuration of a linear motor that accelerate a ferromagnetic or conducting projectile to high velocity. In almost all coilgun configurations, the coils and the gun barrel are arranged on a common axis.Coilguns generally consist of one or more coils arranged along a barrel, so the path of the accelerating projectile lies along the central axis of the coils. The coils are switched on and off in a precisely timed sequence, causing the projectile to be accelerated quickly along the barrel via magnetic forces. Coilguns are distinct from railguns, as the direction of acceleration in a railgun is at right angles to the central axis of the current loop formed by the conducting rails. In addition, railguns usually require the use of sliding contacts to pass a large current through the projectile or sabot but coilguns do not necessarily require sliding contacts. Whilst some simple coilgun concepts can use ferromagnetic projectiles or even permanent magnet projectiles, most designs for high velocities actually incorporate a coupled coil as part of the projectile.