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This post became public before I finished it, so it was finished in a hurry. Let me know if you spot an error.Introduction  I've been working on these tutorials for some time. I originally started with the idea to use only videos, but the goal of the reader should be to learn. Having said that, I think a combination of text, picture, and video is best. To inform the reader, this tutorial will be about as basic as it gets. I'll assume you have some mathematical background and understand tim ...
Designing power supplies is one of the fundamental tasks of an analog electrical engineer. Finding the right part to deliver optimal efficiency, noise, control, and size characteristics can make or break a design. An oscilloscope is one of the best tools for verifying a power supply design, and this article will show how a Tektronics MDO 3000 can test: Power supply efficiency Switching waveform analysis on the switching FET RF emissions from the power supply. In the video below, I look at TI ...
Overview   This is the third blog post in the series of fundamental concepts of electric circuits and signals with the Tek TBS1202B oscilloscope.  In my previous two posts, I discussed circuit analysis laws and capacitors. In this post, I will show an intuitive and analytical view of inductance and inductors.  I will show how energy is stored in inductors and how that energy is released.  Then I will analyze how inductors function in steady state conditions. I will be using ...
Many thanks to those who participated in this RoadTest plus with Agilent / Keysight & Texas Instruments.  It hasn't been an easy choice for our suppliers to decide who triumphed in this instance, particularly with blogs & reviews such as these: Mark Archibald http://www.element14.com/community/roadTestReviews/1881 http://www.element14.com/community/groups/test-and-measurement/blog/2014/09/21/comparing-the-tektronix-mdo4000-and-keysight-n9322c-spectrum-analyzers http://www.element14. ...
Back to the Primary Blog: The Modular Bench Power Supply ++, The Essential DIY Build for Every EE Student and Old Timer alike...   This is just a teaser to get you thinking about the Output Driver Stage for the Power Supply and the DC Load   Some of the circuits will work better than others, why do I need the 100R on the MOSFET gates ?,  or the 10R on the Sense to Load pins   Is there an issue with the High side N Channel MOSFET being used for the PSU Output, what about th ...
To main Blog: The Modular Bench Power Supply ++, The Essential DIY Build for Every EE Student and Old Timer alike...   In the first video I introduced the Modular Bench Power Supply Project (And some), the next was an over view of Voltage References and the things to look out for when selecting one for your project, Now we will look at the OP Amp, then how it will help us in our Analog version of the Power Supply. I will be covering how to increase the Power output current using Bipolar Tr ...

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