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Dennis Feucht
Content posted in April 2016
Diff-Amp Uses a Resistor Network
Dennis Feucht  
4/14/2016   3 comments
Low-cost integrated resistor networks can be used to implement a low-parts-count two-op-amp differential amplifier with low common-mode gain. Integrated onto a common substrate and processed together, resistors of integrated networks match well and are an alternative solution to discrete resistors, especially for amplifiers with a wide common-mode input voltage range.
The Benson High-School Electronics Class Rose Festival Prank
Dennis Feucht  
4/6/2016   Post a comment
Every year, a big festival is held in Portland, Oregon - the Silicon Forest - that is not quite as famous as the Pasadena Rose Parade, though its parade was carried on network television in the 1960s, when I was in high-school. In the mid-‘60s, Benson Polytechnic High School was rated nationally as number two behind the Bronx School of Science in New York

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There’s a further cool thing you can do with a spreadsheet that most SPICEs can’t. That’s to use the spreadsheet ‘solver’ functionality to adjust component values in the search for a better-fitting circuit – or even to find a set of component values for a circuit you can’t otherwise design.
Infineon MOSFETs have been embedded into PC boards by Schweizer Electronic AG
You now need to adjust component values to achieve some system goal, such as predefined frequency response or time behaviour, and there’s no closed method for working out those values.
As a member of the electronics design community, I am angry and disappointed with the recent deaths of 346 people due to the Boeing MAX 8 design
The theoretical advantages of GaN-based power transistors are now being realized in mainstream system designs. Power supplies for data centers and telecom switching racks are two application areas where GaN transistors show significant improvement in comparison to systems using best-in-class Silicon-based Superjunction devices.
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