Casual Articles - Computers and Technology

Search Engine Optimization - Use It to Increase Web Site Traffic
When it comes to search engine optimization you should always make sure that your website is properly coded to allow the search spiders to easily take in your pages. When the robot finally reaches your site you want to ensure that your site is indexed properly.Make sure you list a description and keywords in each page of your site. These are placed in meta tags. Do your keyword research carefully, and make sure to use a keyword tool like Overture's or Google's. These tools tell you how popular a certain keyword is compared to others. You will want to choose some keywords that are searched heavily,

sheet of a PWM IC part number. For example, UC3842 PWM IC is mostly used in SMPS. Do you know what the function of pin 5 of this IC is? Do you know which pin the VCC supply enters? Do you know what the actual voltage that flow to the IC is? Do you know which pin that drives the power FET? Can I get a replacement for this IC? And so on………

Let’s take a soldier as an example. Soldiers not only good in handling rifle but also knows all the details about it. They know how to dismantle and assemble back their rifle fast (imagine in the middle of war the rifle jammed-they can repair it fast). They know how much each bullet cost, how far the shooting distance, how big is the diameter of the bullet, how many cm the length of the bullet and so on.

Affiliate Project X - Worth it or Not?
As you probably already know or have heard, making money using the internet is a very exciting prospect. The fact that you are able to sell your products worldwide 24 hours a day, 7 days a week makes it an almost irresistible marketing medium. The necessary tools are not that expensive: a PC, an internet connection and a little knowledge provided by the multitude of available books and ebooks that have been written on the topic.Affiliate Project x was launched in October 2006. Affiliate Project x was written by Chris Mcneeny. He has also written Adwords Miracle, and Day Job Kil

Troubleshooting linear power supply was quite easy as compare to switch mode power supplies (SMPS). AC voltage enters to the primary side of linear transformer and then converted the AC into a lower or higher AC voltage depending on the secondary winding. The output AC voltage is then rectified and filtered by a diode and capacitors to produce a clean DC voltage. If there is a problem in the linear transformer circuit, I can say that it is very easy to locate the fault. This is somehow different in the case of a switch mode power supply. The designs were complicated and some technicians found it quite hard to fully understand how the switch mode power supplies work.

The working principle of switch mode power supply is different from the linear type. First the AC voltage will flow to a full wave rectifier (bridge rectifier) which produces an uneven DC output and then filtered by a large capacitor (usually 220 micro farad and up to 450 volts). The clean DC voltage will then flows to start up resistors and to the input of switch mode power transformer. Once the voltage passed through the high ohms resistor (start up resistors) the voltage would drop to a value where it then flows to the VCC supply pin of Pulse width modulation IC.

Once the PWM IC received the voltage it will output a signal to drive the transistor (or FET) and produces a changing in magnetic field in the transformer primary winding. The changing magnetic field induces voltage in the secondary windings. Each of these AC voltage produced by the secondary windings is then rectified, filtered, and regulated to produce a clean DC voltage. One of the main DC output voltage is the B+ that supply to flyback transformer (for TV and Monitor Circuit)

The output from the B+ voltage supply is then connected, through a “feedback” loop (which consist of optoisolator ic and an error amplifier TL431 IC), back to the PWM IC. When the voltage from the B+ supply rises or drop a bit, the PWM IC will act to correct the output.

If you still do not understand the above explanation, please do not be discourage because you can always buy technical books and schematic diagrams and read it till you get the whole idea of how a SMPS work. You can ask a repair friend or even surf the internet for a better and easy explanation.

Here I would like you to download a free SMPS article by Sencore and I found it to be a great help for you who are still struggle on how SMPS work and how to troubleshoot when it fails. You must ask your self what is the purpose and its function of the components in the SMPS circuit and how to check them if they fail. Find out on your own the function of these components in SMPS circuit:

Bridge rectifier,

Filter capacitor,

Start up resistors

Chopper/Power FET

Pulse Width Modulation (PWM IC)

Current sense resistor

Switch mode power transformer

Optoisolator/optocoupler

Error Amplifier IC (TL431)

Secondary diodes

Secondary filter capacitors

Push yourself further by searching the internet for the datasheet of a PWM IC part number. For example, UC3842 PWM IC is mostly used in SMPS. Do you know what the function of pin 5 of this IC is? Do you know which pin the VCC supply enters? Do you know what the actual voltage that flow to the IC is? Do you know which pin that drives the power FET? Can I get a replacement for this IC? And so on………

How Home Buyer Rebates Work
In today’s tight housing market, many buyers are looking for ways to stretch their dollars far enough to make that dream home a reality. One little-known strategy that’s gaining popularity with consumers is the home buyer rebate. At the same time, rebates have become a hot-button legal issue for the traditional real estate industry and the U.S. Justice Department’s Antitrust Division.Buyer rebates are loved by consumers, at least those who know about them, because they can make getting into a home more affordable. More and more so-called non-traditional real estate companies ¬– those offering alternatives to fu

oltage will flow to a full wave rectifier (bridge rectifier) which produces an uneven DC output and then filtered by a large capacitor (usually 220 micro farad and up to 450 volts). The clean DC voltage will then flows to start up resistors and to the input of switch mode power transformer. Once the voltage passed through the high ohms resistor (start up resistors) the voltage would drop to a value where it then flows to the VCC supply pin of Pulse width modulation IC.

Bridge rectifier,

Filter capacitor,

Start up resistors

Chopper/Power FET

Pulse Width Modulation (PWM IC)

Current sense resistor

Switch mode power transformer

Optoisolator/optocoupler

Error Amplifier IC (TL431)

Secondary diodes

Secondary filter capacitors

MLM Training Tip - Mentoring Leaders to Success
As network marketers, don't we all want a large organization made up of successful and productive team leaders? Mentoring our downline in order to effectively create leaders who can take care of their own groups is the only way to build a large, massive organization.What is the difference between distributors and leaders? Distributors are only temporary in any organization. Sometimes they work hard and build downlines, or they may chose to simply be a wholesale user of the product. Eventually, they may even quit. Distributors are going to take what they want and then get on with their lives, but l

gs is then rectified, filtered, and regulated to produce a clean DC voltage. One of the main DC output voltage is the B+ that supply to flyback transformer (for TV and Monitor Circuit)

Bridge rectifier,

Filter capacitor,

Start up resistors

Chopper/Power FET

Pulse Width Modulation (PWM IC)

Current sense resistor

Switch mode power transformer

Optoisolator/optocoupler

Error Amplifier IC (TL431)

Secondary diodes

Secondary filter capacitors

Forex Trading - Non-Farm Payroll Trading (Are You Insane?)
I understand the allure of trading these wild news events. I used to dream of it myself. It sounds like easy money. Just trade for short periods of time. Make a great return on your investment. It sounds so good!Then the reality of the issue settles in. Most brokers widen the spread during these times. For example, I know one broker who widened the spread to around 200 pips. Often times it's increased to 50 pips. The "guaranteed" 2 pips spread doesn't exist during times of high volatility.With spreads like that you're guaranteed to lose. You simply can't trade with a spread like that, and the brokers kno

p>Here I would like you to download a free SMPS article by Sencore and I found it to be a great help for you who are still struggle on how SMPS work and how to troubleshoot when it fails. You must ask your self what is the purpose and its function of the components in the SMPS circuit and how to check them if they fail. Find out on your own the function of these components in SMPS circuit:

Bridge rectifier,

Filter capacitor,

Start up resistors

Chopper/Power FET

Pulse Width Modulation (PWM IC)

Current sense resistor

Switch mode power transformer

Optoisolator/optocoupler

Error Amplifier IC (TL431)

Secondary diodes

Secondary filter capacitors

Bad Credit Home Mortgage Refinance - Pro's and Con's of Refinancing Home Mortgage
If you purchased your home during a time when mortgage interest rates were high, you have probably considered refinancing your home mortgage for a cheaper rate. In recent years, interest rates have dropped significantly. Thus, allowing many to save thousands on their home mortgage. If you have excellent credit, you may be able to refinance your home without hassle. Then again, if your credit score is less than perfect, you should weight the advantages and disadvantages of refinancing.What are the Advantages of Refinancing With Bad Credit?Refinancing your home loan with poor credit has several adva

Any SMPS that comes across my repair bench, I would not immediately repair it, in fact I will take couples of minutes to analyze the circuit design and see it from all angles before I begin to repair. Troubleshooting SMPS is not limited to only one procedure in fact many electronic repairers have their own unique ways and methods to solve SMPS problems. Some prefer to use light bulb to isolate SMPS faults while others like to use resistors. Troubleshooting SMPS is fun and flexible but in some cases could make you get very frustrated too.

Remember, don’t limit yourself to only one or two sources to get you understand and be able to repair SMPS. If you have the budget, get the books that have related to SMPS repair-study and start doing practical about it. Share your problems with other fellow electronic repairers and the most important thing is don’t give up. There’s lot of mountain in the journey of our live and you yourself have to climb and conquer it. All the best!

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Many street sweeping companies, which have big large contracts with retail outlets and shopping malls often cheat the company on their services. In fact, as I travel around the country I am appalled at this particular industry. It seems that so many of the contractors who have street sweeping businesses cheat the customer. I asked myself why this is?

There are many good reasons to improve or remodel your home. The key is to find the right way to finance the improvements.

Do not forget: Developing an individual writing process is a key part of becoming a real writer. If you want to learn and grow as a writer then you must work to develop a unique writing process. If you want to be a more productive writer and for your work to improve then you must develop a unique writing process.

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