HOT!Power Electronics

Inverter - The Power Backup

Executive Summary By Ron Victor

Tonysystem, - An inverter has the capacity to change the DC power into AC power which can be used for generating devices like kitchen appliances, computers, power tools and many more by just plugging the devices into the inverter. Low powered inverters are designed specially for low powered electronic appliances. Huge powerful inverters can be used for multiple small appliances or huge device that needs a high power requirement. The stand-alone inverter is the most familiar category of power inverter.

The two common types of power inverters: true-sine wave or modified-sine wave. True-sine wave inverters create power that is moreover identical to the public utility power grid system. Waveform is considered when choosing a power inverter.

An inverter charger combines power inverter and battery charger and transfer it to single unit.



Power Inverter Uses and Variations - Auto, Car, Boat, Laptops

Executive Summary By Brandon M. Leibowitz



Power Inverters, also known as power supply units or power converters, are a great way to power electronic devices when there is not a ready electrical outlet present but there is DC power available. The basic concept of a power inverter is that it can convert a car's 12 volt direct current power into the same type of alternating current power available from a wall socket, enabling electronics to charge while traveling.

On the market you can find an ever-increasing number of different power inverters. There are power inverters that can provide power for one, two, three, or four plugs simultaneously. There are also power inverters that contain USB ports that can charge USB-enabled devices; this can add to the functionality of your power inverter if you carry around devices like the popular iPhone.

Power inverters also differ in the amount of power they supply.



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HOT!Electronic Circuit

Learning to Design an Electronic Circuit Properly

Executive Summary By Frederic C Padilla

Tonysystem, - Circuit is made with some basic parts such as capacitors and resistors. Those basic parts are then built into some several combination that structure building blocks for other circuits.

Some people who have enough experiences might not find any difficulty in designing electronic circuit.

First, you need to know well about the characteristics and behavior of either intermediate or advanced components of electronic circuit. Sometimes, you can find sample circuits that will help you get more information in using the parts. Some parts that usually contain this information are including semiconductors such as diodes, transistors, as well as op-amps.

Second, you should also learn more about some basic circuits used in many kinds of electronic devices. You will also get this information easily from any basic electronics text. For example, you can have more practices in modifying a Light-Emitting Diode (LED) circuit.

By following those simple steps, you will easily get used to design electronic circuit properly.



Veroboard and How to Construct an Electronics Circuit

Executive Summary By Alfred Chai Wei Liang



In electronics, one has to know about circuit building. Circuit building is an essential skill if one is interested to build robots. There are the bread board, 'vero board' and 'PCB' (printed circuit board). These three are the types of electronics circuits. A 'vero board' will have many holes lined up horizontally and vertically. If you have ten horizontal rows of holes, then you have ten horizontal wires. To insert the components into the board, you have to solder. Soldering is whereby you heat up the soldering iron tip until it is hot enough. Be wary of cold solder joints. A cold joint contains holes and cracks and voids inside.



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HOT!Electronic Arts

Electronic Arts Shocks The Video Game Industry

Executive Summary By Sayed Islam

Tonysystem, - The game company known for the Madden video games and Lord of The Rings video games (Electronic Arts) has decided to purchase BioWare/Pandemic. Then, Electronic Arts did the remarkable Lord of The Rings games. Electronic Arts keeps making unbelievable decision after unbelievable decision. The future looks bright for Electronic Arts. More importantly, Electronic Arts will own the rights to MASS EFFECT!!! What does all this mean for Electronic Arts? For right now, BioWare/Pandemic and Electronic Arts are separate video game companies. January 2008 is when Electronic Arts will overtake BioWare/Pandemic. If Mass Effect comes to the PlayStation 3, then owners of the PlayStation 3 will give Electronic Arts a standing ovation.



Electronic Arts Giving Xbox 360 Preferential Treatment



An Electronic Arts representative admitted that the Xbox 360 has its advantages over the PlayStation 3. When the PlayStation 2 and Xbox first made their debut, it was easier for game developers to make games on the PlayStation 2. This was because game companies had more time to work with the PlayStation 2 than they did with the Xbox. As time progressed, games on the Xbox were as time consuming to make as they were on the PlayStation 2.



It simply means that video game companies need more time to work with the PlayStation 3's hardware. After gaming companies know how to utilize the PlayStation 3 to its full potential, PlayStation 3 will no longer be at the mercy of the Xbox 360.



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HOT!Frys Electronic

Frys Electronics Online - Get More Bang For Your Buck

Executive Summary By Candis Reade

Tonysystem, - The advent of the internet has created a better way to make your Frys purchases, specifically, online. There are three primary ways in which Frys electronics online can make your electronics purchase a whole lot easier. First, Frys offers many selections that are only available to you online. Second, Frys online shopping service allows you to browse through thousands of available products, at your convenience, with no pressure. Third, purchases made over the internet can be delivered directly to your home, saving you the time and energy of transporting large purchases.



Online Selection



Any given Frys store only contains so many square feet. Frys electronics online is set up in a convenient format which allows you to go directly to the assortment of products you are interested in purchasing. Cameras, car electronics, PDAs and office products (and more) each occupy their own portion of the web store. Pressure Free Zone



An added bonus to shopping online is that your purchases can be delivered, right to your door. Frys electronics online especially packs each purchase to ensure that your electronics arrive safely at your door, with no scratches or other defects. An added bonus is that Frys will sometimes run free shipping promotions, such as free shipping on selected seasonal items or on purchases above a certain monetary amount.



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HOT!Electronic Components

Electronic Component Distributors

Executive Summary By Alison Cole

Tonysystem, - Sandwiched between original equipment manufacturers (OEMs) and suppliers, distributors of electronic components often find themselves in an awkward situation. Some, like Newark InOne of Canada, conduct testing to check if the component is compliant, and grade their suppliers accordingly. Customers will have to continue relying upon distributors to get assurance of compliance.



Among the top distributors of electronic components are Arrow Electronics, Avnet, Future Electronics, Bell Microproducts, Memec Insight, TTI, Newark InOne, Digi-key, All American and Nu Horizons. All of them distribute components like semiconductors, passives, electromechanical devices, connector products, computer equipment, embedded subsystems, crystals, test equipment, and active components, including analog, clock and timing devices, and so on.



Test Electronic Components

Executive Summary By Timothy Payn

To be able to test electronic components accurately is essential to identifying faults for any electronic repairer. Top quality electronic testing equipment is therefore much sought after.



Normally, however, this type of equipment to test electronic components can be relatively expensive, especially for do it yourself enthusiasts and people thinking about starting a small or part-time business.



There are some guides available to show beginners how to test electronic components and how to repair electronic devices and appliances. Good electronic test guides should include the following:



Secondly, make sure any guide not only explains how to make your own testing equipment but also explains which equipment to use for particular jobs, how you actually employ that equipment, what to test for and in what sequence. It's all very well to have superior testing equipment to hand but if there is no methodology to follow in testing, you will just be wasting your time.



Without doubt, working out how to test electronic components can become quite complex. Ensure any manual also covers testing for faults and shorts using an analogue meter and how to make such a meter.



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HOT!Electronics Circuits

Learning to Design an Electronic Circuit Properly 

Executive Summary By Frederic C Padilla

Tonysystem, - Usually, circuit is made with some basic parts such as capacitors and resistors. Those basic parts are then built into some several combination that structure building blocks for other circuits.



Some people who have enough experiences might not find any difficulty in designing electronic circuit. First, you need to know well about the characteristics and behavior of either intermediate or advanced components of electronic circuit. Sometimes, you can find sample circuits that will help you get more information in using the parts. Some parts that usually contain this information are including semiconductors such as diodes, transistors, as well as op-amps.



Second, you should also learn more about some basic circuits used in many kinds of electronic devices. You will also get this information easily from any basic electronics text. For example, you can have more practices in modifying a Light-Emitting Diode (LED) circuit.



Simple Ways To Understand The Filter Capacitors In Electronic Circuits

Executive SummaryBy Jestine Yong

You could see mica capacitors, ceramic capacitors, tantalum capacitors, aluminum electrolytic capacitors, paper capacitors and etc. Electronic Field - Act as filter to remove ripple in power supplies;



- As inter stage signal coupling capacitors- A capacitor will not pass DC, but an AC signal will go through;



- Tuning resonant circuits, oscillator circuits;



In today's article I'm going to talks about capacitor act as filter to remove ripple from power supplies. Usually, the filter includes one or more capacitors. The capacitors are then placed between the DC line and ground. This unwanted noise signal can cause problems in electronic circuit. If all capacitors checked okay I would then move on to another circuit. Why not one filter capacitor is enough for each DC line voltage? The answer is that the big filter capacitors (large value) at the secondary side of power supplies is to smooth the DC and remove unwanted lower frequency noise.



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HOT!Projects in Electronics

Methods For Distributing Information on Projects

Executive Summary By Gina Abudi

Tonysystem, - Ensuring that the right people (such as stakeholders, project team members, project sponsors, etc.) get the right information at the right time for project status updates and to make decisions on projects requires a great deal of planning.  Communication Methods



    * Project team meeting

    * Stakeholder meetings

    * Portal or project intranet site

    * Collaborative work management tools



There are pros and cons to different methods of distributing (communicating) project information. General Categories of Communication



    * Face-to-face communications (group or individual meetings)

    * Hard-copy communications (letters, memorandum, reports)

    * Electronic communications (email, conference calls, web conferencing)



Hard-copy communications can really be combined with the category of electronic communications.  Given the shortage of time, tight budget controls, the need for project managers to manage multiple projects, and project team members spread out over the country or in different countries, electronic communication methods are quite common.  There are various methods of electronic communications and you may deploy a certain method depending on the communication need.  Communication Management Plan



(Reference: Project Management Body of Knowledge, 4th Edition, Chapter 10: Project Communications Management, Section 10.2.3)



    * Stakeholder requirements for communication

    * Reason for the distribution of the information (e.g., share information, make decisions)

    * Time frame and frequency of communications

    * Person responsible for communication of information

    * Methods or tools used to convey information (e.g., email, meetings)

    * Resources allocated for communicating information including time expectations and budget

    * Method for updating and refining the communications management plan

    * Flow charts depicting information flow in the project including workflows with sequence of authorization, reporting, meeting plans, etc.

    * Company policies around communications

    * Size of the project and number of individuals involved, project complexity

    * Project alignment to organizational goals

    * Other factors relevant to your project, company, stakeholders, etc.



Basic Electronic Components and Supplies Needed by the Electronics Newbie

Executive Summary By Andy Bauer



Basic Components and Supplies to Start Out



Working on electronic projects is a great way of learning electronics and depending upon the project undertaken, a number of tools and electronic components may be needed accordingly. Carbon film resistors are a good choice for small electronic projects.

Ceramic disc capacitors or electrolytic capacitors are both good choices for beginning electronics projects, and again, a good variety would be needed in terms of values. Signal diodes are also a good buy for electronic projects and these electronic components find application in a number of projects. The next electronic component to consider would be rectifier diodes which are needed in power supplies. Transistors are the next electronic components to be considered. I recommend TO92 package for beginners.



A switch is a good component to have on hand. Depending upon the circuits and projects, some integrated circuits would also be needed. Depending on your project, how about a project box or enclosure?



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HOT!Electronics Projects

Electronic Projects Makes Learning Basic Electronic Theory and Skills Fun

Executive Summary By Wendy Pan

Tonysystem, - The other school favors the hands-on approach that combines learning theory while conducting experiments and while building practical projects. Building simple electronics projects allows the student to see electronic theory in action, and it allows them to develop essential skills like soldering, disordering, working with pc (printed circuit) boards, etc.



Carl's AK-100 Learn to Solder Kit is one of those simple electronics projects that not only teach you how to solder, it teaches you another essential skill, how to read color codes, while building a working electronic siren. Well you can buy the box and then install the electronic playback unit that you have built from a kit. Carl's Music Box kit is another of those simple electronics projects that allows you to practice the skills that you have already learned while developing new skills and mastering new theory. Enjoy your newfound hobby of building simple electronics projects. Carl's is just one o many online sources for electronic kits, tools, and supplies.



Fun Electronic Projects for Kids

Executive SummaryBy Bill Adamson



The excitement of building electronic projects that actually work provides a great learning process for young kids exploring the field of electronics.



Learning by Doing



Many of today's computer games do have some redeeming value for learning. A child can develop good eye-hand coordination, learn by trial and error, and strengthen memory by recalling various sequences when sent back to prior levels of play. However, a parent's dilemma may revolve around their child's obsessive use of computer games.



When the "puzzle" of electronic projects with various loose parts is presented to your child a whole new avenue of learning develops.



It Works!



There are several electronics kits suitable for your child available in internet stores.





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HOT!Consumer Electronics

Tips On Consumer Electronics

Executive Summary By Zola Mathe

Tonysystem, - The evolution of consumer electronics, high definition displays, digital broadcasts, displays and media is happening at an increasingly rapid pace.



From analog to digital, consumer electronics are now evolving with (Wireless Fidelity) technology. Are you concerned about having the latest technology when you make your next purchase in consumer electronics? Fundamentally, the changes in the consumer electronics industry are not being driven by product evolution, but by fluctuations in the industries business models.



Now for the fun part the consumer electronics that entertain us! When buying consumer electronics, its best to know what to expect before you buy. The newest trend is that an individual seller conducts consumer electronics auctions mostly online.



Portable consumer electronics are sufficiently compact, lightweight and easy mobility. Digitization, miniaturization and mobility are the key elements for modern consumer electronic products. Some of the best sources of electronics products are wholesalers, who are individuals or businesses that sell products by bulk at discounted prices. The consumer electronic segment is ever changing. Shopping for consumer electronics can be difficult because you have so many options.



Consumer Electronics Guides

Executive Summary By Thomas Morva



Consumer electronics guides are a leading source of information for those interested in consumer electronics. Major users of consumer electronic guides include manufacturers, retailers, consumers and others directly or indirectly associated with the consumer electronics industry.



The consumer electronic segment is ever changing. New products and improvements for existing products are created everyday, induced by the convergence of technologies, products and markets. Consumer electronics guides are very helpful in popularizing these products. Consumer electronic guides have a vital role in providing reliable and relevant information about the various products marketed everyday.



There are various types of consumer electronic guides. Both offline and online consumer electronic guides are available.



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HOT!Tyco Electronic

How to Comply With Sarbanes Oxley and Protect the Interests of Your Employees, Vendors and Investors

Executive Summary By T Rhodes

Tonysystem, - Sarbanes-Oxley, otherwise known as SOX, regulates financial accountability and information accessibility. It enhances standards for both public companies and public accounting firms. The Sarbanes-Oxley Act is designed to protect the interests of employees, vendors and investors. Why IT Controls is So Important When Complying with Sarbanes Oxley



Under the Act, ultimate responsibility for data management, security, reliability, integrity and accuracy reside collectively with the Chief Information Officer (CIO), the Chief Executive Officer (CEO) and the Chief Financial Officer (CFO). Pursuant to Sarbanes-Oxley, the CIO is accountable for the systems that control and report financial data, while the CEO and CFO are accountable for actual financial reporting.



2. Control



3.Accountability.



All corporations should take the following steps toward Sarbanes-Oxley compliance:



    * Implement a solid technological structure promoting effective and efficient compliance processes

    * Expand information flow and collaboration

    * Document accurate and timely financial reconciliations using Excel, Access or other customized technology solutions

    * Document IT systems' usage rules and develop a financial information audit trail

    * Implement risk-rating processes for all financial accounts

    * Understand and map financial reporting process, IT systems and internal controls

    * Identify financial reporting, IT and internal control risks

    * Document and test controls

    * Perform and update controls assessments corresponding with any financial reporting process changes



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