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AP1501A
AP1501A

... compensation makes feedback control have good line and load regulation without external design. Regarding protected function, thermal shutdown is to prevent over temperature operating from damage, and current limit is against over current operating of the output switch. The AP1501A series operates a ...
Panasonic B Series AC Servo Motor Driver Manual
Panasonic B Series AC Servo Motor Driver Manual

... Groun ...
ANDROID BASED POLE CLIMBING ROBOT FOR SURVEILLANCE
ANDROID BASED POLE CLIMBING ROBOT FOR SURVEILLANCE

... wireless circuit which helps robot climb on the pole, can be controlled using wireless technology like Bluetooth technology. Android app which is in your hand (mobile phone) is used as remote to control the action of robot by using Bluetooth. The Bluetooth module is used here. Bluetooth is wireless ...
TDA8920C 2 x 110 W class-D power amplifier
TDA8920C 2 x 110 W class-D power amplifier

Seminar Report
Seminar Report

... mission is to short out the global energy shortage and pollution problem by utilizing renewable energy resources. The wind energy is the fastest growing and most promising renewable energy source among them, but the disadvantage is that the wind power is intermittent and depending upon weather condi ...
Vacuum nanoelectronics: Back to the future?—Gate
Vacuum nanoelectronics: Back to the future?—Gate

... 250 nm remaining. The remaining height guaranteed the etch selectivity tolerance between the photoresist and the silicon. The distance between the electrodes can be varied by the layout and the ashing conditions. An initial line width of 180 nm was subsequently reduced by oxygen plasma treatment unt ...
Whitewater Kayak Slalom Race Timer
Whitewater Kayak Slalom Race Timer

... a drinking straw (this also formed a watertight seal over the phototransistor) • Modulation - modulated the IR emitter with a 2kHz square wave - demodulating at the receiving side would filter out noise cause by reflections of sunlight off water, etc ...
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from brianjohnsonresearch.com

... Downloaded by [National Renewable Energy Lab] at 20:22 30 April 2016 ...
Installation Instruction Sheet for Vision Site Medium LED
Installation Instruction Sheet for Vision Site Medium LED

... To check for positive engagement of tray latches pull firmly on driver tray. NOTE: To wire fixture to circuits not having a neutral lead such as 480V. Connect the fixture voltage lead to one of the supply leads; the fixture common lead to the other supply lead and the fixture ground lead to a suitab ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-ISSN: 2278-1676,p-ISSN: 2320-3331,
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-ISSN: 2278-1676,p-ISSN: 2320-3331,

62-814.450 Electric and Magnetic Field Standards.
62-814.450 Electric and Magnetic Field Standards.

... electric current, expressed in amperes, that can be continuously carried on the conductors of an electrical circuit as determined by the facility owner. (15) "Maximum Electric Field Strength" means the amplitude (Root Mean Square) of the electric field produced by an electrical facility operating at ...
Constructing and Benchmarking a Pulsed-RF, Pulsed
Constructing and Benchmarking a Pulsed-RF, Pulsed

... • Assess necessary compromises and complete design. • This may eliminate the arduous “middle-man” of nonlinear transistor modeling. The results also will be based directly on measurement data and will be more accurate! ...
LOW SKEW 1 TO 4 CLOCK BUFFER ICS553 Description Features
LOW SKEW 1 TO 4 CLOCK BUFFER ICS553 Description Features

... layout. Essentially, all four outputs must have identical terminations, identical loads and identical trace geometries. If they do not, the output skew will be degraded. For example, using a 30Ω series termination on one output (with 33Ω on the others) will cause at least 15 ps of skew. ...
Subgap biasing of Superconducting Tunnel Junctions without a Magnetic Field
Subgap biasing of Superconducting Tunnel Junctions without a Magnetic Field

... made to change the amount of SIN tunneling by heating and cooling in different fields or by improving the magnetic shielding; this remains an issue for future work. However, knowing the amount of SIN tunneling gives us a functional form for a single I-V curve and allows us to proceed with our study ...
5000V Graphical Megohmmeter Model 5070
5000V Graphical Megohmmeter Model 5070

... storage of three different voltage selections. Test Voltage Lock-out – Gives the flexibility to limit the maximum output test voltage to any value from 40 to 5100V to protect delicate equipment from accidental exposure to excessive test voltages. Timer Function – Program a test run time from one min ...
LT6210/LT6211 - Single/Dual Programmable Supply Current, R-R Output, Current Feedback Amplifiers
LT6210/LT6211 - Single/Dual Programmable Supply Current, R-R Output, Current Feedback Amplifiers

... Note 7: While the LT6210 and LT6211 circuitry is capable of significant output current even beyond the levels specified, sustained shortcircuit current exceeding the Absolute Maximum Rating of ±80mA may permanently damage the device. Note 8: This parameter is guaranteed to meet specified performance ...
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REF02 数据资料 dataSheet 下载

... advantage of this circuit is the near-perfect line regulation at 5V and 15V outputs. This circuit can accept a 27V to 55V change to the input with less than the noise voltage as a change to the output voltage. RB, a load bypass resistor, supplies current ISY for the 15V regulator. Any number of REF0 ...
Aalborg Universitet droop-controlled islanded microgrids
Aalborg Universitet droop-controlled islanded microgrids

solenoid and pressure-operated valve technology
solenoid and pressure-operated valve technology

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B Series - 4B, 20B, 50B

electrical services
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MAX-6 Data Sheet - FIT/IoT-LAB
MAX-6 Data Sheet - FIT/IoT-LAB

... GPS receivers are Electrostatic Sensitive Devices (ESD) and require special precautions when handling. For more information see chapter 6.4. Stressing the device beyond the “Absolute Maximum Ratings” may cause permanent damage. These are stress ratings only. The product is not protected against over ...
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Evaluates: MAX17620 MAX17620 Evaluation Kit

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- IEEE PES Resource Center

... •Excitation Limiter Validation- Specific dynamic performance requirements •Power System Stabilizer Tuning- Frequency Response ...
DU-45MV 50/100/200mV DC Full Scale 4 1/2 Digit with 0.56” LEDs
DU-45MV 50/100/200mV DC Full Scale 4 1/2 Digit with 0.56” LEDs

... Pin 9 - Hold Reading: If this Pin is left unconnected, the meter will operate in a free-running mode. When this pin is connected to the Hold/Test Common Pin 11, the meter will latch up. A/D conversions will continue, but the display will not be updated until Pin 9 is disconnected from the Hold/Test ...
< 1 ... 811 812 813 814 815 816 817 818 819 ... 1974 >

Mains electricity



Mains electricity is the general-purpose alternating-current (AC) electric power supply. In the US, electric power is referred to by several names including household power, household electricity, house current, powerline, domestic power, wall power, line power, AC power, city power, street power, and grid power.The two principal properties of the electric power supply, voltage and frequency, differ between regions. A voltage of (nominally) 230 V and a frequency of 50 Hz is used in Europe, most of Asia, most of South America and Australia. In North America, the most common combination is 120 V and a frequency of 60 Hz. Other voltages exist, and some countries may have, for example, 230 V but 60 Hz. This is a concern to travelers, since portable appliances designed for one voltage and frequency combination may not operate or may be destroyed by another.The use of different plugs and sockets in different regions provides some protection from accidental use of appliances with incompatible voltage and frequency requirements.
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