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Learning about electronics? Then you need to know about components, including diodes, JFETs, MOSFTs, bipolar transistors, thyristors, triacs and diacs, opto-couplers and basic semiconductor theory. Find full and easy explanations of many common types.
Learn electronics step by step with free on-line resources for students & teachers; for DC & AC circuits, resistors, amplifiers, oscillators, power supplies & digital circuits.
Later modules in this series will introduce resistors, both as single components and as part of more complex networks. Conductors and insulators. Materials are used in electrical circuits. Resitors, resistivity and the effects of temperature on resistance.
This module explains how binary, and some other number systems used in electronics work, and how computers and calculators use different forms of binary to carry out calculations. The important thing about this module is to get you to think about how the number systems work, so HOW the answer is achieved is more important than what the answer is.
Figure 1.0.2 (a) shows how the basic (simplified) structure of the atom may be imagined, with a nucleus consisting of 14 protons (shown in red) and 14 neutrons (shown in black), surrounded by 14 (blue) electrons orbiting the nucleus in a number of ‘electron shells’.
The Buck Converter. The Buck Converter is used in SMPS circuits where the DC output voltage needs to be lower than the DC input voltage. The DC input can be derived from rectified AC or from any DC supply. It is useful where electrical isolation is not needed between the switching circuit and the output, but where the input is from a rectified ...
These oscillator modules in Learnabout Electronics describe how many commonly used oscillators work, using discrete components and in integrated circuit form. Also learn how to build and test oscillators circuits yourself.
Because this module describes several different number systems, it is important to know which system is being described. Therefore if there is some doubt which system a number is in, the base of the system, written as a subscript immediately after the value, is used to identify the number system.
The Properties of Conductors and Insulators. How different materials are used in electrical circuits and what they are used for. An introduction to resistance, resistivity, and simple DC circuits.
This page lists some of the most popular electronics downloads available from learnabout-electronics.org. Did you know that there are over 500 pages of electronics know-how available to download and print, in 30 different Modules, just click the "DOWNLOAD MODULE" pdf logo on any module, and it is yours to print and keep.