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Dennis Feucht
Content posted in December 2014
Seemingly Simple Circuits, Part 3: Converter Waveforms
Dennis Feucht  
12/23/2014   2 comments
The sampling behavior within the feedback loop of a peak-current-loop converter can be discovered by way of its inductor current waveform, the central waveform of the converter.
Seemingly Simple Circuits, Part 2: Linearizing the PWM-Switch
Dennis Feucht  
12/17/2014   4 comments
The power stage of switching converters can be modeled essentially as a PWM-switch. A switch seems to be far from the kind of circuit element that can be linearized, but it can be. This Part 2 develops a linear model of the PWM-switch
Seemingly Simple Circuits, Part 1: The Current-Mode Switching Converter
Dennis Feucht  
12/10/2014   12 comments
The current-mode or peak-current-regulating switching converter is a familiar, almost dominant power supply circuit. Yet it is one of the most complicated "simple" circuits around.




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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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