It is sometimes desirable to have circuits capable of selectively…
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Radio waves are comprised of oscillating electric and magnetic fields,…
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What is the purpose of the switch shown in this schematic diagram?
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An ideal transistor would show 0% distortion in amplifying a signal.…
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Whenever there is a mismatch of impedance between transmission line…
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In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.
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Don’t just sit there! Build something!! Learning to mathematically…
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Identify which direction each potentiometer wiper must move in this…
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It has been found that any repeating, non-sinusoidal waveform can be…
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The Q factor of a series inductive circuit is given by the following…
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In our study of AC circuits thus far, we’ve explored circuits…
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A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.
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The choice of step-down transformers to use in a project such as this…
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Voltage Components in a parallel circuit share the same voltage:…
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Don’t just sit there! Build something!! Learning to mathematically…
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Electromechanical watt-hour meters use an aluminum disk that is spun…
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The word battery simply means a group of similar components. In…
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Identify the type of logic gate shown in this schematic diagram, and…
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The bipolar junction transistor (BJT) was named because its operation…
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SPICE analysis of Electrical Isolation Aside from the ability to…
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In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis. This calculator will help you design an oscillator using a 555 timer IC.
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Diodes can perform switching and digital logic operations. Forward and…
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What, exactly, is necessary to establish electrical continuity between…
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The concept of a mathematical power is familiar to most students of…
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When using conventional current flow, we can trace the direction of…
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In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.
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It is sometimes said regarding electrical safety that, Ït’s not the…
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The invention of the bipolar transistor in 1948 ushered in a…
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Don’t just sit there! Build something!! Learning to mathematically…
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In this hands-on semiconductor electronics experiment, build a simple current mirror using matched bipolar junction transistors (BJTs) and learn about current mirror circuit limitations, the temperature dependence of BJTs, and thermal runaway.
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Constant rule Rule of sums Rule of differences Product rule Quotient…
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If your event sensing switch is mechanical in nature, you will likely…
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A technician uses a stroboscope to “freeze” the rotation of a…
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A calculator for computing several parameters needed in the design of a flyback switch mode regulator
Tools
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
Contributors to this chapter are listed in chronological order of…
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Single Phase Synchronous Motors Single-phase synchronous motors are…
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In this hands-on electronics experiment, you will build an analog differentiator circuit that outputs a signal proportional to the rate-of-change and learn about one of the advantages of analog circuits.
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Ohm’s Law also makes intuitive sense if you apply it to the…
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Contributors to this chapter are listed in chronological order of…
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These are the most common types of resistors available. Resistors…
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Digital logic gate circuits are manufactured as integrated circuits:…
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An important electrical quantity with no equivalent in DC circuits is…
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So far, we’ve observed simulations of transformers where the…
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In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.
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Don’t just sit there! Build something!! Learning to mathematically…
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As was mentioned before, the angle of this “power…
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Wire-by-Number project: simple voltage divider Description: Build a…
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Inductors do not have a stable “resistance” as conductors…
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Don’t just sit there! Build something!! Learning to mathematically…
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The smaller the cross-sectional area of any given wire, the greater…
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Contributors to this chapter are listed in chronological order of…
Textbook
This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
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