DC Power Supplies by Steve Valentino
The electricity that flows in two ways, AC or alternating current and DC or direct current, is actually a movement of electrons along the conductor. The difference of the two lies in the direction, wherein the former keeps the moving electrons in a switching manner, while the latter is in a... The AC system of the power supply is utilized for transmitting long distance power to various power companies. ... DC power supply is already an indispensable and ubiquitous component in our everyday life.

Power Supplies by Steve Valentino
All of the high-tech peripherals and latest editions of computer software products that you’ve installed are useless if your computer’s power supply is not sufficiently providing electricity. Before your computer can operate properly, it needs an adequate amount of electricity. ... The power supply is typically known as the “switching power supply.” This is a metal box found in a corner of the computer case. ... Through the power supply system’s switcher technology, power deliveries the electricity once the alternating current (AC) input from an electrical outlet is converted into direct...

What Power Supply Do I Need? by Steve Valentino
In our world today, the quality of a personal computer is often measured only by its processor speed, memory capacity, and hard drive space and for gamers, the quality of the video card. Sometimes, the computer monitor will grab some attention, especially if it has an LCD screen. ... There are two basic things to consider whenever you are buying a new power supply for your computer -- power requirements and the power supply's form factor. ... Power Requirement Modern power supplies have power outputs that range from 200 watts to 500 watts.

How to Choose a Computer Power Supply by Matthew Thompson
What does "ATX" stand for? ATX stands for Advanced Technology eXtended. In summary it defines a set of standards in measurements and forms that helps make things such as computer power supplies interchangeable with one another. ATXPowerSupplies.Com writes this article on choosing the right... It's okay to buy a power supply that is larger than necessary because the power supply will step down to your power requirements. ... The converters tend to have poor power distribution while a power supply with the 24 pin connector built in will be powered directly from the power supplies.

TIP: Don't Forget About Your Power Supply by Bill Platt
Back in February, I updated my system and brought it into the 21st century at last. With that faster, all-powerful, new video card and processor in place, I believed I was set. Lo and behold, I have learned a lesson the hard way. When you upgrade your video card and processor, you might need... A new power supply is on its way, and my power management has been set to run with the fewest necessary resources. ... It seems that if your machine sucks too much processing power, the power supply will just shut down ...

UPS Power Supplies To Protect Your Computer by Alan LeStourgeon
Many people do not realize the absolute importance of purchasing a UPS power supply for their system. UPS stands for Uninterruptible Power Supply, but it is not uncommon to hear people refer to them as UPS power supplies, despite the redundancy. It can also be confusing to newcomers because... An uninterruptible power supply works by filtering the electrical power coming from electric company while storing a small amount in a battery. ... By attaching your UPS to your computer via a standard USB cable, your computer will give you reports of activity on the power supply.

The Importance of Your Computer Power Supply by Alan LeStourgeon
Inside your computer is a component that is the lifeblood of your hardware system. It is responsible for your motherboard, your hard drives, your CD and DVD drives, and a half-dozen other possible components. For many people, the only part they see of this important component - the power supply... Finding out how many watts a power supply can generate is the first way to determine if your computer system is risking being underpowered. ... A power supply is measured primarily in terms of watts. ... But don't buy a power supply that far exceeds your realistic expectations; you'll just be...

Choosing the right DC Power Supply for your Application by Bob Preville
The DC Power Supply is a rather fundamental electronic device, however there are hundreds of DC Power Supply products on the market from dozen of manufacturers. Narrowing down the best product for your application and budget can be a daunting task. This article addresses DC Power Supply... Realistically, no power supply is 100% efficient because power conversion always results in energy loss, usually in the form of heat dissipation. ... Choosing the right DC power supply for your application requires definition of some basic design specifications: voltage range, current range, number of...

Power Supply Tips by Peter Stewart
The power supply keeps things in your computer running smoothly. When they run well, you won't even think about them, but when things go wrong, it can become very annoying. The power supply doesn't just run the power to the different parts of the computer. ... The claimed maximum power for each voltage are added together to give the power rating for the power supply. ... More recently, the problems in that sector have decreased, the general quality and build of power supplies has increased to a level where nearly any power supply will deliver what it claims it will and within specs.

Repair LCD Power Supply The Easy Way by Jestine Yong
Troubleshooting LCD monitor power supply pack is easier than the crt monitor power supply. It is small and compact and usually has only one output which is 12 volt and range from 2 ampere to over 4 ampere. Some designed have 18 and 24 volts also. Nowadays most LCD power supplies are build into... If you are unsure of how to troubleshoot power supply, I urge you to read all my power supply articles at the power supply page. ... If you do not have the external dc power supply, you can always use this method to isolate the problem especially the symptoms are no power, low power and power blink.