power supply

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power supply

[′pau̇·ər sə‚plī]
(electronics)
A source of electrical energy, such as a battery or power line, employed to furnish the tubes and semiconductor devices of an electronic circuit with the proper electric voltages and currents for their operation. Also known as electronic power supply.

power supply

power supply

A system that converts AC current from the wall outlet into the DC currents required by electronic circuits. A computer power supply converts AC into multiple DC voltages. For example, 12 volts is commonly used for drives, while 3.3v and 5v are used by the chips and other motherboard components.

Switching Power Supplies
Power supplies known as "switching" power supplies are commonly used. Their name is derived from the type of circuit used to change the voltage. For more details, see transformer. See power adapter.


Typical Voltages
This monitor displays the typical three voltages generated by a PC power supply.







One Size Does Not Fit All
Like everything else in our high-tech world, power supplies come in myriad sizes and shapes; witness this table full of different units from Sparkle Power Inc. (www.sparklepower.com).







External "Bricks"
Laptops use an external power supply, called a "power adapter" or "power brick." It converts AC to a single DC voltage that goes to the laptop's internal power supply, which generates all other required voltages. External adapters are used to reduce the size and weight of the laptop, yet they typically ride along in the laptop case, adding back the weight after all.
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These prices are for disks installed inside the microcomputer, using the the computer power supply.
For industrial and computer power supply applications, the ZXCT1083, ZXCT1085, and ZXCT1087 support a voltage range of 2.
supply of computer power supply and technical steering for hosting software applications for managing human resources and payroll of the City of Marseille.
After assembling the system, Mr Zhong, an engineer from Huntkey, connected a Power Meter in series with the computer power supply to indicate the computer input power.
Power consumption was measured at the entry of the computer power supply to gauge total system power usage under different system loads.
com, a professional computer power supply manufacturer, announced today that it will start marketing its True Silent Power Supply targeted at PC owners and system builders among North America, Europe and Asia simultaneously.
Every passenger has a laptop computer power supply and a telephone.
Thermally Conductive Insulator Ideal for Personal Computer Power Supply Applications
Every passenger also has a laptop computer power supply and a telephone.
Over the last 21 years, PC Power & Cooling has produced many innovative computer products including: the first CPU cooler, the first PC heat alarm, the first independently-regulated PC power supply, the first redundant power system, the first NVIDIA[R] certified SLI supply, the first One Kilowatt computer power supply, and the first power supply with its own certified test report (Turbo-Cool 1KW).

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