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APPLICATION NOTE
APPLICATION NOTE

... external components. It could be also used on any two wire network for exchanging informations by means of ASK carrier current technique (DC or AC network). The use of a digital structure for both transmission and reception part provides an efficient solution for modulating and demodulating low Baud ...
Si3N4/AlGaN/GaN-Metal-Insulator-Semiconductor Heterostructure
Si3N4/AlGaN/GaN-Metal-Insulator-Semiconductor Heterostructure

... the source–drain bias was fixed at a value well in the satuthe threshold voltage. However for the MOSHFET the calration regime. The gate voltage was then pulsed using a 1 ␮s culated threshold voltage of 4.8 V is significantly lower than pulse with a 50% duty cycle. The gate–voltage pulse amplithe ex ...
B7320/B7510
B7320/B7510

EECS 373 Design of Microprocessor-Based Systems
EECS 373 Design of Microprocessor-Based Systems

... • Must hold input signal while converting. • “Sample and hold” circuit takes in (samples) analog value and holds it still while A to D conversion is taking place. ...
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 ...
Press Release
Press Release

... Zurich, Switzerland, April 27, 2015 – ABB, the leading power and automation technology group, has launched the SlimLine XR ITS2, the world’s first low-voltage switch fuse disconnector with integrated temperature monitoring functions. The new SlimLine XR ITS2 supports the growing demand for energy ma ...
BH6260MWX
BH6260MWX

... substance getting between pins or between a pin and a power supply or GND. (7) Operation in strong magnetic fields Be careful when using the LSI in a strong magnetic field, since it may malfunction. (8) Inspection in set board When inspecting the LSI in the set board, since there is a risk of stress ...
MAX6709/MAX6714 Low-Voltage, High-Accuracy, Quad Voltage Monitors in µMAX Package General Description
MAX6709/MAX6714 Low-Voltage, High-Accuracy, Quad Voltage Monitors in µMAX Package General Description

... flow from the external pullup voltage to VCC. The outputs can be wire-ORed for a single power-good signal. The MAX6709 quad voltage monitor includes an accurate reference, four precision comparators, and a series of internally trimmed resistor-divider networks to set the factory-fixed threshold opti ...
LabVIEW************* System for Power Quality Measurement of
LabVIEW************* System for Power Quality Measurement of

... • Most protection schemes that have been proposed are based on a socalled crowbar.  This paper analyses the behavior of a crowbar-protected DFIG. • It has received considerable attention in the past and some good approximate equations to determine the maximum short-circuit current have been derived ...
Unit 2 - Mahalakshmi Engineering College
Unit 2 - Mahalakshmi Engineering College

... converters, which is used for digitizing, storing and displaying analog waveforms. Overall operation is controlled by control circuit which is usually consists of microprocessor Data acquisition portion of the system consist of a Sample-and-Hold (S/H) circuit and an analog to digital converter (ADC) ...
Class H Power Amplifier for Power Saving in Fluxgate Current
Class H Power Amplifier for Power Saving in Fluxgate Current

... welding systems [27]) being in the area of radio frequency (RF) communications [28-30] and mobile communications [31, 32] where the largest number of applications are documented. The value of the power supply voltage can be changed in two different modes: stepped mode (multi-stage) and continuous mo ...
SN75154 数据资料 dataSheet 下载
SN75154 数据资料 dataSheet 下载

... standard interface between data terminal equipment and data communication equipment as defined by ANSI Standard EIA/TIA-232-E. Other applications are for relatively short, single-line, point-to-point data transmission and for level translators. Operation is normally from a single 5-V supply; however ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)

... Enhancement and Design Considerations Distributed FACTS for Mitigation of Power ….. conditions. The parameters of the lead-lag compensator are adjusted so that the phase shift between the speed deviation and the resulting electrical torque at the desired frequency is compensated. In the following, ...
Multiple RS-232 Drivers And Receivers (Rev. A)
Multiple RS-232 Drivers And Receivers (Rev. A)

... Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C † Stresses beyond tho ...
Aalborg Universitet A modified LLCL-filter with the reduced conducted EMI noise
Aalborg Universitet A modified LLCL-filter with the reduced conducted EMI noise

CCNA 1 Module 3 1. Match the columns: 1) Neutrons A) Particles
CCNA 1 Module 3 1. Match the columns: 1) Neutrons A) Particles

... 10. What is the importance of the EIA/TIA standards? Select all that apply. B. They provide guidelines for manufacturers to follow to ensure compatibility. C. They provide the minimum media requirements for multiproduct and multi-vendor environment. ...
MAX8738 EEPROM可编程、TFT、VCOM校准器,I²C接口
MAX8738 EEPROM可编程、TFT、VCOM校准器,I²C接口

... full-scale sink current, IOUT, which determines the minimum value of the VCOM adjustment range. Large RSET values increase resolution but decrease the VCOM adjustment range. Calculate R1, R2, and RSET using the following procedure: ...
DOC
DOC

Fire Protection Duct Fire protected cable
Fire Protection Duct Fire protected cable

STL23NM50N
STL23NM50N

... Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ...
AAT3603 数据资料DataSheet下载
AAT3603 数据资料DataSheet下载

... includes an integrated pass device, reverse blocking protection, high accuracy current and voltage regulation, charge status, and charge termination. The charging current, charge termination current, and recharge voltage are programmable with an external resistor and/or by a standard I2C interface. ...
Brushless Servo Amplifiers
Brushless Servo Amplifiers

... If the motor is equipped with a winding thermostat that is normally closed, it can be connected between terminals 7 and 8 of the feedback wiring connector. If an excess temperature thermal condition exists as indicated by an open thermostat, drive current is disabled. If the motor does not have a th ...
Series/Parallel Bulb Board
Series/Parallel Bulb Board

... various bulbs prior to powering up a new circuit configuration. A basic, but important, point that can easily be seen with the light boards is the need for all bulbs to be operating when a series circuit is connected whereas the bulbs act independently of one another in parallel configurations. In t ...
STATE VARIABLES and MATLAB® Time
STATE VARIABLES and MATLAB® Time

... Time-domain analysis of circuits with more than one L and C is difficult because it requires solution of characteristic equations higher than second degree. This supplement illustrates the use of MATLAB® functions, ode23 and ode45, for solving a system of coupled first-order differential equations o ...
FEATURES 2.5V ULTRA-PRECISION 1:4 LVDS Precision Edge FANOUT BUFFER/TRANSLATOR
FEATURES 2.5V ULTRA-PRECISION 1:4 LVDS Precision Edge FANOUT BUFFER/TRANSLATOR

... The information furnished by Micrel in this datasheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. Micrel Products are not desig ...
< 1 ... 812 813 814 815 816 817 818 819 820 ... 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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