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By Lee Teschler, Exeutive Editor EEWorldonline.com
Ground-fault circuit interrupters (GFCIs) are sometimes also called earth leakage or residual-current circuit breakers. They can sense leakage current to earth ground and interrupt the circuit automatically when leakage current exceeds a...
By Chris Francis
(originally appeared on EEWorldonline)
I don't mean the transistor radio or mobile phone, but electronic devices and circuits that have been significant and enduring. Some are not necessarily "inventions", depending on how you define an invention, but significant designs...
By Bill Schweber
As the use of LEDs for area lighting has grown dramatically, with both the use of LED-based replacement bulbs as well as LED-based fixtures for new construction (called luminaires in the trade), the issue of dimming these LEDs becomes more critical. LEDs require a very...
By Bill Schweber
LEDs – light-emitting diodes – have largely supplanted other sources of light in many applications. They are used in applications ranging from small on/off power indicators, to small and large alphanumeric displays, to screen backlighting, and even for area and street...
by Bill Schweber on Analog IC Tips
We have already looked briefly at Earth ground (if any), chassis ground, and commons (often misnamed as "grounds"). These do not exist as unrelated connections in a system. The issues related to connecting commons and ground is the subject of countless...
by Chris Francis
In 1980, the book "The Art of Electronics" was published, written by Paul Horowitz and Winfield Hill. For many people, myself included, it became the first book you picked up when you needed to know anything related to analog electronics. It was intended as a course textbook...
by Janet Heath, EEWorld contributing writer,
Tips for preventing problems could fill a book, especially if every professor, technician, or engineer were to contribute tricks and tips that they have learned over the years. However, many will agree that an ounce of prevention is worth a pound...
…earning $67K to $103K a year in under 3 months.
by Lynnette Reese, WTWH Media contributing writer
If this sounds too good to be true, it is not: read on.
Abe Lincoln was one of those guys that didn’t have a college education but made it to the top as a self-educated man. Back then...
By Lee Teschler, EEWorld Executive Editor
The online retailer Amazon made headlines when it introduced a super-inexpensive smart phone from Blu Products in Miami called the R1 HD. The media splash arose because Amazon Prime members could get the phone for as little as $50 if they were willing...
Assuming that you are familiar with the fundamental specifications of an ADC and what they mean, the next step is to know your entire signal chain well and then work to fit the ADC to the requirements. After carefully determining signal chain requirements, then select your ADC with the...
by Scott Thornton
Besides the advantage of higher performance in performing calculations and faster data transfers, what are the advantages of working with an MCU that has a larger bus width?
MCUs with higher data bus widths enjoy higher performance in terms of faster operations, often...
By Janet Heath
Instrumentation amplifiers (INAs) are precision devices, but they have a particular function and aren’t another type of operational amplifier (op amp). Instrumentation amplifiers are not op amps; you can’t configure them in a multitude of ways, and you only set gain to a chosen...
By Joshua Israelsohn
Ceramics comprise the most widely used non-polarized dielectrics. The reason is they offer attractive combinations of volumetric efficiency, manufacturability, and cost. Some applications -- such as high-frequency RF signal chains and high-precision measurement circuits...
by Maniing Xie
Electromagnetic interference (EMI) can create serious issues for manufacturers in an industrial environment. A buck converter generates a pulsating ripple current with high di/dt at the input. Without input capacitors, ripple current is supplied by the upper power source...
EDAboard's sister publication, designworldonline.com has several "Tips" sections covering a variety of topics from power to microcontrollers to motor control. We'd like to encourage you to check out some of these helpful tips and share them with your colleagues. To get you started, I'll post the...
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