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  • Author Author: Robert Peter Oakes
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The Modular Bench Power Supply ++, Integration theory and practical

Robert Peter Oakes

Back to the Main post The Modular Bench Power Supply ++, The Essential DIY Build for Every EE Student and Old Timer alike...

 

So now we will look at how to use integration to control the power stage of a High Power MOSFET and how the response time can be tuned to suite the characturists of your power supply enabling you to adjust the transient response times etc

 

To be up front about this, I did get some inspiration from studying 30 year old agilent power supply schematics and those of other manufactures  So im not claiming the basic ideas are all mine. I already knew what I wanted to do like floating the control on the power rails, N Channel Power Mosfets etc. the studying helped me to understand how this could be acheived and to learn from good design. I think we can all afford to learn from the hard work of others. It can take exaustive amounts of time and effort to fully inderstand an electronic design and from what I have learned, it was worth every minute

 

None of my schematics are from those that I studied, they have all been re-worked for my needs and the components I have available. I guess it is like learning to paint, you study the work of old masters in the area of interest and learn from their endevours.

 

here is the schematic I ended up with for this part of the power supply

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and Power Control

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Again all of the descriptions and a practical demo are within the video

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