Electricity - School
... Recognise the voltage-current graphs for a fixed resistor, filament bulb and diode Use the equation potential difference = current x resistance Interpret the gradient of a voltage-current graph in terms of resistance Calculate resistance from a voltage-current graph Recognise series and parallel cir ...
... Recognise the voltage-current graphs for a fixed resistor, filament bulb and diode Use the equation potential difference = current x resistance Interpret the gradient of a voltage-current graph in terms of resistance Calculate resistance from a voltage-current graph Recognise series and parallel cir ...
Datasheet - Intersil
... respective output pins and higher unwanted power dissipation in the part. Under these conditions, the temperature of the part could get very hot. ...
... respective output pins and higher unwanted power dissipation in the part. Under these conditions, the temperature of the part could get very hot. ...
EEE-PP-004 - 2027
... rectifying diode should be reduced. To solve this reverse recovery problem, various soft-switching techniques using additional passive or active snubber circuits have been proposed [12]–[16]. However, those methods require relatively large number of passive or active components which increase the pr ...
... rectifying diode should be reduced. To solve this reverse recovery problem, various soft-switching techniques using additional passive or active snubber circuits have been proposed [12]–[16]. However, those methods require relatively large number of passive or active components which increase the pr ...
applications of integrated circuit
... and Q9 are conducting, transistor Q7 is off, and transistor Q6 is on. Any action that turns on transistor Q7 removes the drive from transistor Q8 and thereby turns off the thyristor. Transistor Q7 may be turned on directly by application of a minimum of ±1.2V at 10µA to the external inhibit input, t ...
... and Q9 are conducting, transistor Q7 is off, and transistor Q6 is on. Any action that turns on transistor Q7 removes the drive from transistor Q8 and thereby turns off the thyristor. Transistor Q7 may be turned on directly by application of a minimum of ±1.2V at 10µA to the external inhibit input, t ...
gmesprit user guide
... • Switch power off and disconnect from the supply before changing modelling bulb or flash tube. • Disconnect the supply before changing the fuse. Never replace with a fuse of a different rating. A spare fuse is fitted in the fuse holder. • Excercise care when handling equipment that has been in use. ...
... • Switch power off and disconnect from the supply before changing modelling bulb or flash tube. • Disconnect the supply before changing the fuse. Never replace with a fuse of a different rating. A spare fuse is fitted in the fuse holder. • Excercise care when handling equipment that has been in use. ...
FXL2TD245
... FXL translators offer an advantage in that either VCC may be powered up first. This benefit derives from the chip design. When either VCC is at 0 volts, outputs are in a HIGH-Impedance state. The control inputs (T/Rn and OE) are designed to track the VCCA supply. A pull-up resistor tying OE to VCCA ...
... FXL translators offer an advantage in that either VCC may be powered up first. This benefit derives from the chip design. When either VCC is at 0 volts, outputs are in a HIGH-Impedance state. The control inputs (T/Rn and OE) are designed to track the VCCA supply. A pull-up resistor tying OE to VCCA ...
ACCURACY ANALYSIS OF VOLTAGE DIP MEASUREMENT
... Supply voltage dips are reductions of the voltage magnitude at a point in the electrical system below a specified threshold chosen for the purpose of detecting and followed by voltage recovery after a short period of time (dip duration), from half a cycle to a few seconds. The lowest rms value measu ...
... Supply voltage dips are reductions of the voltage magnitude at a point in the electrical system below a specified threshold chosen for the purpose of detecting and followed by voltage recovery after a short period of time (dip duration), from half a cycle to a few seconds. The lowest rms value measu ...
Guide to International Travel with Electrical Appliances
... bathrooms of many foreign countries are designed for use ONLY with low wattage appliances rated 5 – 10 watts maximum, such as electric shavers, contact lens disinfectors, etc. Using a hair dryer or other high wattage appliance on this outlet can blow the circuit breaker and may damage both the conve ...
... bathrooms of many foreign countries are designed for use ONLY with low wattage appliances rated 5 – 10 watts maximum, such as electric shavers, contact lens disinfectors, etc. Using a hair dryer or other high wattage appliance on this outlet can blow the circuit breaker and may damage both the conve ...
1C.4.1—Harmonic Distortion
... electrical service to all its customers as partially specified in Section NO TAG. PacifiCorp requires that a customer’s facility must stay within all limits described in Sections 5, 6, 8 and 8, as measured at the point of common coupling, see 4.5. The customer shall take necessary action, at the cus ...
... electrical service to all its customers as partially specified in Section NO TAG. PacifiCorp requires that a customer’s facility must stay within all limits described in Sections 5, 6, 8 and 8, as measured at the point of common coupling, see 4.5. The customer shall take necessary action, at the cus ...
LVPECL / LVDS Termination - Integrated Device Technology
... AC coupling can be used to terminate LVPECL signals through 50Ω to the test equipment GND. In this configuration, capacitors are used to split the DC and AC components of the LVPECL output. A resistor (R1) terminated to GND provides the LVPECL emitter follower output stage with the required DC path ...
... AC coupling can be used to terminate LVPECL signals through 50Ω to the test equipment GND. In this configuration, capacitors are used to split the DC and AC components of the LVPECL output. A resistor (R1) terminated to GND provides the LVPECL emitter follower output stage with the required DC path ...
a Precision Single Supply Instrumentation Amplifier AMP04*
... In noisy environments such as those having digital switching, switching power supplies or externally generated noise, ground may not be the ideal place to reference a signal in a high accuracy system. Often, real world signals such as temperature or pressure may generate voltages that are represente ...
... In noisy environments such as those having digital switching, switching power supplies or externally generated noise, ground may not be the ideal place to reference a signal in a high accuracy system. Often, real world signals such as temperature or pressure may generate voltages that are represente ...
Multi-Output Power Supply with VCOM Amplifier and High
... and High-Voltage Gamma Reference for LCD TVs The MAX17114 generates all the supply rails for thin-film transistor liquid-crystal display (TFT LCD) TV panels operating from a regulated 12V input. It includes a stepdown and a step-up regulator, a positive and a negative charge pump, an operational amp ...
... and High-Voltage Gamma Reference for LCD TVs The MAX17114 generates all the supply rails for thin-film transistor liquid-crystal display (TFT LCD) TV panels operating from a regulated 12V input. It includes a stepdown and a step-up regulator, a positive and a negative charge pump, an operational amp ...
Grid connected Converters for Photovoltaic, State of the
... achieved by the use of transformers. Classically transformers operated at grid-frequency are used, which have severe drawbacks like high weight, high cost, additional losses and a non-unity power factor, especially under low load conditions. New developments use high-frequency transformers. A third ...
... achieved by the use of transformers. Classically transformers operated at grid-frequency are used, which have severe drawbacks like high weight, high cost, additional losses and a non-unity power factor, especially under low load conditions. New developments use high-frequency transformers. A third ...
RT7275/76 - Richtek Technology
... The RT7275/76 are high-performance 700kHz 3A stepdown regulators with internal power switches and synchronous rectifiers. They feature an Advanced Constant On-Time (ACOTTM) control architecture that provides stable operation with ceramic output capacitors without complicated external compensation, a ...
... The RT7275/76 are high-performance 700kHz 3A stepdown regulators with internal power switches and synchronous rectifiers. They feature an Advanced Constant On-Time (ACOTTM) control architecture that provides stable operation with ceramic output capacitors without complicated external compensation, a ...
GENERAL DESCRIPTION FEATURES
... device switches between supplies, the DS32kHz measures the temperature and adjusts the crystal load to compensate the frequency. The power supply must remain at a valid level whenever a temperature measurement is made, including when VCC is first applied. While powered, the DS32kHz measures the temp ...
... device switches between supplies, the DS32kHz measures the temperature and adjusts the crystal load to compensate the frequency. The power supply must remain at a valid level whenever a temperature measurement is made, including when VCC is first applied. While powered, the DS32kHz measures the temp ...
HV2213591366
... may overload the neutral conductor of the threephase four-wire distribution system. A number of surveys have been cited about the causes of excessive neutral current in the distribution system [6]. There are different techniques for the mitigation of neutral current in the three-phase fourwire distr ...
... may overload the neutral conductor of the threephase four-wire distribution system. A number of surveys have been cited about the causes of excessive neutral current in the distribution system [6]. There are different techniques for the mitigation of neutral current in the three-phase fourwire distr ...
J. Hu, A.D. Sagneri, J.M. Rivas, Y. Han, S.M. Davis, and D.J. Perreault, “High-Frequency Resonant SEPIC Converter with Wide Input and Output Voltage Ranges, 2008 IEEE Power Electronics Specialists Conference , June 2008, pp. 1397 – 1406
... fixed frequency control techniques to achieve these goals. This paper introduces a quasi-resonant SEPIC converter, resonant gate drive and associated control methods suitable for converter designs at frequencies above 10 MHz. Unlike many resonant converter designs [1]–[4], the proposed approach provi ...
... fixed frequency control techniques to achieve these goals. This paper introduces a quasi-resonant SEPIC converter, resonant gate drive and associated control methods suitable for converter designs at frequencies above 10 MHz. Unlike many resonant converter designs [1]–[4], the proposed approach provi ...
SR-100, SR-1-2, SR-103, SR-104 Primary Resistance Standard, esi
... transportable bench top instruments. They are protected against shock caused by temperature and pressure gradients because they are sealed in a mechanically reinforced, oil-filled container. This makes it possible for these standards to be transported from one region to another or through varying al ...
... transportable bench top instruments. They are protected against shock caused by temperature and pressure gradients because they are sealed in a mechanically reinforced, oil-filled container. This makes it possible for these standards to be transported from one region to another or through varying al ...
LMV851 数据资料 dataSheet 下载
... are specifically designed to overcome electromagnetic interference. Along with EMI hardened op amps, the EMIRR parameter is introduced to unambiguously specify the EMI performance of an op amp. This section presents an overview of EMIRR. A detailed description on this specification for EMI hardened ...
... are specifically designed to overcome electromagnetic interference. Along with EMI hardened op amps, the EMIRR parameter is introduced to unambiguously specify the EMI performance of an op amp. This section presents an overview of EMIRR. A detailed description on this specification for EMI hardened ...
SVC Static Var Compensator An insurance for improved grid system
... The increase in traffic on existing tracks combined with new high-speed rail projects mean rail traction is fast becoming an important load on electrical supply grids. This in turn is focusing a lot of attention on the efficiency of the catenary as well as the power quality of the surrounding grids. ...
... The increase in traffic on existing tracks combined with new high-speed rail projects mean rail traction is fast becoming an important load on electrical supply grids. This in turn is focusing a lot of attention on the efficiency of the catenary as well as the power quality of the surrounding grids. ...
Electrical ballast
An electrical ballast is a device intended to limit the amount of current in an electric circuit. A familiar and widely used example is the inductive ballast used in fluorescent lamps, to limit the current through the tube, which would otherwise rise to destructive levels due to the tube's negative resistance characteristic.Ballasts vary in design complexity. They can be as simple as a series resistor or inductor, capacitors, or a combination thereof or as complex as electronic ballasts used with fluorescent lamps and high-intensity discharge lamps.