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Electrokit learning documents

DC-DC converters

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Learn about DC-DC converters and the difference between switched mode and linear types. What does a ”regulated” voltage mean? Are switched mode converters always better? And what are the components in a switched mode converter there for?

Servo motors

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Read about how servo motors work, how to control them, what the different specifications mean, and more. What is a dead band? What specification indicates the power of a servo? And what is the difference between analog and digital servos?

Mains filter capacitors: class X and Y

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Read about decoupling capacitors and mains filtering. When should safety-rated capacitors be used? How should X and Y capacitors be connected? What is the difference between X1 and X2 capacitors? What is a delta filter?

Replacing faulty capacitors - how to find replacements

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A guide for anyone who needs to replace capacitors and is looking for new parts for your repair – here’s how to find suitable replacements.

What does the labelling on the capacitor mean? What voltage should the replacement have? And does the capacitance have to be exactly the same, or can it be higher?

Ultraminiature coaxial connectors

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Learn about the difference between u.Fl and w.Fl, different generations of ultraminiature connectors, and their dimensions.

Who manufactures the TXR connector, and is AMC4 compatible with MHF4? Is there any difference between IPX3 and MHF III - or w.Fl, for that matter? Read on, and find the information you need in one place.

Diodes

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Learn about different types of diodes and what they’re used for — for protection, rectification, voltage references, in lighting, oscillators ...

Are LEDs really diodes? What’s inside a diode bridge rectifier? What is a PIN diode? And which way should zener diodes really be used?

Audio connectors

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Read about various audio connectors and their uses — phone plugs of different sizes, GX connectors, DIN connectors, and more.

Are GX or XLR connectors microphone connectors, or both? What does TRRS stand for? And what do the angles in DIN connector naming mean?