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Electron Transport in Single-Walled Carbon
Electron Transport in Single-Walled Carbon

... There are also a host of other device geometries under exploration beyond the simple wire and FET structures described here. Examples include the p–n and p–n–p devices mentioned previously,38,39 nanotube/nanotube junctions,47 – 49 and electromechanical devices.50–52 For example, strain can be used t ...
6.3 Power Strip Module - UCF EECS
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... generator. We set our initial goal to reach a precision of 1mA. The main unit received power reading information from all the other microcontrollers every second. The main unit provided absolute instructions to all other microcontrollers. It must have the ability to stop and resume power consumption ...
6.3 Power Strip Module - UCF EECS
6.3 Power Strip Module - UCF EECS

HMC349MS8G - SeekDataSheet
HMC349MS8G - SeekDataSheet

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AD9753 数据手册DataSheet 下载
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... features a flexible digital interface allowing high speed data conversion through either a single or dual port input. 4. Low Power. Complete CMOS DAC function operates on 155 mW from a 3.0 V to 3.6 V single supply. The DAC fullscale current can be reduced for lower power operation. 5. On-Chip Voltag ...
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Powador-proLOG - KACO new energy
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Instruction Manual for Operating Panel 301 and 302
Instruction Manual for Operating Panel 301 and 302

... – Potentially lethal voltages are therefore still present at some parts on the rear of this panel (input B16/FI) - even when the panel has been switched off at the residual current circuit breaker. – Measurement and service work to panels 301/302 may only be performed by specially qualified personne ...
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... Narrowband Power Line Communications (PLC) is used in some geographic areas for metering and other purposes. • Operation below 500 KHz • PLC technologies are difficult to scale into applications that do not have a connection to the electric grid (water, gas, etc) • IEEE P1901.2 ...
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99-141sr001doc ( Microsoft Word
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BT508  Users Manual Battery Analyzer
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... permitted where the employer can demonstrate that de-energizing introduces additional hazards or increased risk. • Informational Note No. 1: Examples of additional hazards or increased risk include, but are not limited to, interruption of life-support equipment, deactivation of emergency alarm syste ...
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Installation Instructions For SLO

... GENERAL SAFETY INFORMATION Dangerous voltages, currents, temperatures, and energy levels exist within this unit, on certain accessible terminals, and at the motor. NEVER operate the unit with its protective cover removed! Exercise caution when installing and using this unit. Only qualified personnel ...
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...  Many MCUs include an internal fixed voltage source which ADC can ...
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... Using the PCA9516A enables the system designer to divide the bus into five segments off of a hub where any segment-to-segment transition sees only one repeater delay. It can also be used to run different buses at 5 V and 3.3 V or 400 kHz and 100 kHz buses where the 100 kHz bus is isolated when 400 k ...
< 1 ... 241 242 243 244 245 246 247 248 249 ... 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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