Early in my explorations of electricity, I came across a length of…
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The Parallel Wires of Infinite Length Suppose, though, that we had a…
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To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.
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A practical application of switch and relay logic is in control…
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Note: this is a very unique and useful property of e. As in…
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The circuit in the previous section is not a very practical one. In…
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SPICE analysis of Electrical Isolation Aside from the ability to…
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What, exactly, is necessary to establish electrical continuity between…
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Designing Wire Resistance Conductor ampacity rating is a crude…
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Solid Copper Wire Table Size Diameter (inches) Cross-sectional area…
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By now you should be well aware of the correlation between electrical…
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In this hands-on electronics experiment, you will control a light with a switch and learn the basics of connecting toggle (on/off) switches into circuits.
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The smaller the cross-sectional area of any given wire, the greater…
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Given two lengths of metal wire, which one will have the least…
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When a switch is actuated and contacts touch one another under the…
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A chandelier has five light bulbs in it, and one of them is not…
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The electrons of different types of atoms have different degrees of…
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Three-phase Wye(Y) Connection Initially, we explored the idea of…
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Notice something important here: taking the derivative of f(x)…
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In any electrically conductive substance, what are charge carriers?…
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This calculator helps you compute the inductance of a broadside coupled trace.
Tools
In this hands-on AC electronics experiment, you will use an AC voltage source connected to speakers to learn about sound waves and the foundational principle used in noise cancelling headphones.
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In order to work with complex numbers without drawing vectors, we…
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With this lesson, I hope to avoid a common mistake found in…
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The Rules of Binary Addition Adding binary numbers is a very simple…
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The armature windings of your DC motor will have very low resistance.…
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Fallacious reasoning and poor interpersonal relations account for more…
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Don’t just sit there! Build something!! Learning to mathematically…
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When capacitors are connected in series, the total capacitance is…
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Definition of a Factorial Denoted by the symbol “!” after…
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Don’t just sit there! Build something!! Learning to mathematically…
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In this series of hands-on electronics experiments, build alternating current (AC) circuits and learn about basic electrical engineering circuit concepts, including transformers, motors, phase shifts, signal coupling, and noise cancellation.
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Don’t just sit there! Build something!! Learning to mathematically…
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This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.
Tools
Contributors to this chapter are listed in chronological order of…
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SPICE is a computer program designed to simulate analog electronic…
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This calculator determines the total path loss provided by an RF n-way power splitter.
Tools
The Law of Sines (for any triangle) The Law of Cosines (for any…
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What is the difference between a JMP (“jump”) instruction and a…
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Solid Copper Wire Table Size Diameter (inches) Cross-sectional area…
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Constant Rule Rule of Sums Rule of…
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A capacitor is a passive two-terminal electronic component that…
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The word battery simply means a group of similar components. In…
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In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
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Most AC motors are induction motors. Induction motors are favored due…
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In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
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Calculate the voltage output by the secondary winding of a transformer…
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Shaded Pole Induction Motor An easy way to provide starting torque to…
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In this series of hands-on electronics experiments, build analog circuits, including amplifiers, comparators, oscillators, and more. Following the step-by-step instructions will help you understand and appreciate analog systems.
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When analyzing complex series and parallel circuits, it is easy to…
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Let’s take the following example circuit and analyze it: …
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A tool designed to compute the values to be used in a T-match Impedance Circuit
Tools
What is the purpose of a seven-segment decoder circuit? What is a…
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As we’ve seen, negative feedback is an incredibly useful…
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AC Motors Perhaps the most important benefit of polyphase AC power…
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The logic simplification examples that we have done so far could have…
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Don’t just sit there! Build something!! Learning to mathematically…
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The Inductance Formula Wheeler’s formulas for…
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When someone mentions the word “computer,” a digital…
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