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The PC power supply has been a standard of the junk box for the last couple of decades, and will probably continue to be for the foreseeable future. A product that is often built to a very high standard and which will give years of faithful service,...

In the field of electromagnetic compatibility several trends point to a growing necessity of EMC engineering. These trends, directed to functional upgrading or reducing cost, inevitably also contribute to an increasing level of electromagnetic interference...

Apple sells their iPad charger for $19, while you can buy an iPad charger on eBay for about $3. From the outside, the chargers look the same. Is there a difference besides the price? In this article, I look inside real and counterfeit chargers and find...

Developed for use in mobile devices and cellular infrastructure equipment, Coilcraft™s new 0402DF Series chip inductors offer higher inductance values and significantly lower DC resistance than other 0402-sized inductors, making them ideal for RF choke...

KB6NU's Ham Radio Blog /////////////////////////////////////////// 2015 General Class Study Guide: G6A: resistors; capacitors; inductors; rectifiers; solid state diodes and transistors; vacuum tubes; batteries Posted: 16 Jan 2015 12:34 PM PST http...