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DNF Resistor on the Switching powersupply

zubianiko , 03-26-2019, 06:46 AM
Hello Robert,
In the Switching power supply course, The pin number 11 called FB1. I see there is a strange resistor you have calculated but I did not see when you created the resistor DNF on the video and how you did it. Can you give me more information on these? Please can I get the free application Resistor Divider Calculator. I cannot the application on the net anymore.
Paul van Avesaath , 03-28-2019, 08:59 AM
see this thread

Hello all. Sometimes I see on some demo board schematics some components marked as "DNF" or "DNP". In the Switching Power Supply Design Course

zubianiko , 03-28-2019, 09:20 AM
Thank you Paul Van.
robertferanec , 03-28-2019, 11:09 AM
The calculator can be downloaded from the lesson page, just scroll down to download section ... or you can download it also here: http://www.fedevel.com/academy/wp-co...oltDivCalc.zip
zubianiko , 03-28-2019, 08:00 PM
I have have it. Thanks so much for the app
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