Search results for transistor
1. Understanding Transistor Data and Replacement
Published on 2009-06-12 | Author: Jestine YongIf, for some reason, you can't get an exact replacement for the transistor that you want to replace, you can refer to one of the transistor substitution guides or book, and try to identify a "near replacement". Beware, ...
2. The Importance Of Current Sense Resistor In Switch Mode Power Supply
Published on 2008-08-25 | Author: Jestine YongCurrent sense resistor is usually located in the switch mode power supply section. Newer version of monitor-the b+ (boost) circuit also have this current sense resistor. If you repair electronic equipment especially the ...
3. Testing Flyback Transformer How to Test and When to Replace It
Published on 2009-06-12 | Author: Jestine YongNowadays, more and more monitor comes in with flyback transformers problems. Testing flyback transformers arenot difficult if you carefully follow the instruction. In many cases, the flyback transformer can become short ...
4. What is ESR Meter?
Published on 2009-06-12 | Author: Jestine YongAll capacitors have a certain amount of resistance to the passage of AC current. ESR (Equivalent Series Resistance) is the sum of all internal resistances of a capacitor measured in Ohms. An ideal capacitor has ZERO ohms ESR. ...
5. History of the Computer: Cooling, Part 1 of 2
Published on 2009-04-03 | Author: Tony StockillWe have mentioned the provisions made to provide back-up power systems involving generators and banks of batteries (see history of the computer - redundancy). You can probably tell from this that we are talking about a lot of ...
6. What Is Random Access Memory
Published on 2008-09-10 | Author: Park OskarRAM is considered volatile storage because as soon as the power supply is stopped, the contents of RAM are lost. Hence, the data in RAM stays as long as the computer is running. RAM is much faster to read from and write to, ...
7. Monitor Glossary of Terms
Published on 2008-09-23 | Author: Advanced Search Email Address: Your Name: Got aCRT - Cathode Ray Tube, big glass bulb used in the large bulky monitors similar to TVs. LCD - Liquid Crystal Display.TFT - Thin Film Transistor, a type of LCD technology where every pixel is connected to a transistor.Pixel - ...
8. What Is A Crystal? And How To Test It
Published on 2009-06-12 | Author: Jestine YongCrystal 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 ...
9. Dynamite Comes in Small Packages Tiny Personal Audio MP3 Players Pack Powerful Music Enjoyment
Published on 2009-07-14 | Author: W R KirkMP3 players are Hot! Playing music has come a long way since the transistor radio, portable tape and CD player days. Most players are no larger than a deck of cards. Eliminating the need to lug around tapes or CD’s, digital ...
10. What is EEPROM ?
Published on 2009-06-12 | Author: Jestine YongEEPROM stands for Electrical Erasable Programmable Read Only Memory and also referred to as E?PROM. As the name suggest, an EEPROM can be both erased and programmed with electrical pulses. Since it can be both electrically ...
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