Tutorials

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EEVblog 1417 – Alternating Current AC Basics – Part 1

Following in from the DC circuit fundamanetals series starts the AC circuti fundamentals series. This part 1 looks at: – What is Alternating Current – How AC is created using a generator – Angular Frequency – The sinusoidal waveform, benefits and downsides – Average, peak, peak to peak, and RMS ...

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EEVblog 1409 – The DANGERS of Inductor Back EMF

A practical demonstration of Lenz’s law and back EMF in an inductive relay coil and how to solve it using a Freewheeling/Flywheel/Flyback/Snubber/Clamp diode. Also the downsides of clamping diodes, and switch arcing supression. Also a look at an AMAZING potential phenomenon you probably haven’t seen before! Actually, two rather cool ...

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EEVblog 1406 – DC Circuit Transients Fundamentals

The conclusion of the DC circuit fundmentals tutorial series. How a capacitor and inductor works, parallel and series configurations, exponential rise and decay, time constants, and basic differential calculus. Energy storage in capacitors and inductors and how a collapsing inductor magnetic field can be both a problem and a benefit. ...

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EEVblog 1401 – DC Power, Efficiency, & Maximum Power Transfer Theory

Dave closes out the basic DC circuit series with DC Power, Efficiency, & Maximum Power Transfer Theory tutorial. Includes Ohm’s law refresher. DC Fundamentals Forum: https://www.eevblog.com/forum/blog/eevblog-1401-dc-power-efficiency-maximum-power-transfer-theory/ Playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHtVLq2MDPIz82BWMIZcuwhK Podcast: Download

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EEVblog 1399 – Electronics Fundamentals: Voltage Dividers

Fundamentals video. Voltage dividers, series and parallel resistors, current dividers, a revisit of Norton and Thevenin’s theorems, rules of thumbs, and a trap for young players experiment on circuit loading. 00:00 – Intoduction to voltage dividers 01:33 – Uses of voltage dividers 04:27 – Rules of thumb 06:55 – Calculations ...

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