Hub You - Computers and Technology

10 Fantastic Ways to Source Low Cost Products for eBay Selling
So where can you get stock cheap enough to make a good profit for yourself on any auction site?Well here are some of the places I have got stock from previously.Garage sales. The chances are you've gone most of your life seeing ads

ways to test a crystal: -

(a) Using Oscilloscope
A crystal produces a sine wave when excited. It is appropriate then, to see a waveform representative of a sine wave on the clock pins. If the cloc

Ready? Aim! Color!
First impressions are lasting impressions! Whether buying a house, a book, or even a product from a web site, we buy what looks attractive or reliable from the outside.Colors, like words, are used to communicate. Color is central to our l

Crystal are use to keep the frequency of the clock from drifting. If the signal from this clock stops, or is weak, or the pulses begin to vary, the electronic equipments might show intermittent faults or might stop altogether. The microprocessor pins that hold the crystal are usually called OSC IN and OSC OUT as shown in Figure 1 and the frequency is marked on the crystal. Typical examples of crystal oscillator frequency are 3.58MHZ, 4MHZ, 8MHZ, 24MHZ etc.

Testing Crystal
Crystals are quite fragile components because of their construction. Unlike a resistor or capacitor, if you drop one on the ground from a decent height, its 50-50 bet whether it will work again. Testing the crystal is not a breeze either. You cannot just take out your trusty multimeter and plug the crystal in it. In fact, there are three right ways to test a crystal: -

(a) Using Oscilloscope
A crystal produces a sine wave when excited. It is appropriate then, to see a waveform representative of a sine wave on the clock pins. If the clock

8 Essentials Every Church Should Know Before Investing in Multimedia
2. Find Your Screen:Many people don't give much thought to the screens, but they are a key piece of equipment for any multimedia system. As such, several things should be taken into account. "Where can it be hung? Should it be electric or

t stop altogether. The microprocessor pins that hold the crystal are usually called OSC IN and OSC OUT as shown in Figure 1 and the frequency is marked on the crystal. Typical examples of crystal oscillator frequency are 3.58MHZ, 4MHZ, 8MHZ, 24MHZ etc.

(a) Using Oscilloscope
A crystal produces a sine wave when excited. It is appropriate then, to see a waveform representative of a sine wave on the clock pins. If the cloc

Winning An eBay Auction - Strategies for Buyers
Two Different Strategies for BuyersThrough my online auction research, I have learnt two major strategies when bidding for goods and stuff:The Early Bird StrategyThe Late Sneaker Strategy

requency are 3.58MHZ, 4MHZ, 8MHZ, 24MHZ etc.

(a) Using Oscilloscope
A crystal produces a sine wave when excited. It is appropriate then, to see a waveform representative of a sine wave on the clock pins. If the cloc

Health Savings Accounts (HSA): How Do I Tell a Good One from a Bad One?
The Health Savings Account (HSA) is becoming well-known as an incredible tool to reduce health insurance premuims and yet provide good security for healthcare emergencies.But what should consumers watch out for? Are there good HSAs and ba

decent height, its 50-50 bet whether it will work again. Testing the crystal is not a breeze either. You cannot just take out your trusty multimeter and plug the crystal in it. In fact, there are three right ways to test a crystal: -

(a) Using Oscilloscope
A crystal produces a sine wave when excited. It is appropriate then, to see a waveform representative of a sine wave on the clock pins. If the cloc

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You say you want a new career, you say you want to start your own business, you say you'd love to be a freelance writer and travel more but are you serious? Can I really believe you? Are you investing in your dream?When you want

ways to test a crystal: -

(a) Using Oscilloscope
A crystal produces a sine wave when excited. It is appropriate then, to see a waveform representative of a sine wave on the clock pins. If the clock is not functioning properly, replace the crystal. In most cases this should solve the problem since microprocessors are usually very reliable. Check the crystal with power on.

(b) Frequency Counter
Frequency Counter can be use to check the frequency of the crystal. The reading must be taken when the equipment power is switch “on”. Place the probe of frequency counter to the crystal pin and read the measurement. Be sure that your frequency counter meter has the range that is higher than the crystal frequency you are measuring.

(c) Crystal Checker
With this method, usually the crystal is placed in the feedback network of a transistor oscillator. If it oscillates and the LED is lighten up, this mean that the crystal is working. If the crystal doesn’t work, the LED stays off. Instead of using LED, some

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