The principle of non-sinusoidal, repeating waveforms being equivalent…
Textbook
The Q factor of a series inductive circuit is given by the following…
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Inductors, like all electrical components, have limitations which must…
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(Template)
Worksheets - Passives
Instantaneous Values in AC Circuits Pure resistive AC circuit:…
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In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
Textbook
In this circuit, three resistors receive the same amount of voltage…
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Guidelines to Series-Parallel Combination Circuit Analysis The goal of…
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Let’s take the same components for our series example circuit…
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When inductors are connected in series, the total inductance is the…
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There’s a sure way to calculate any of the values in a reactive…
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If two coils of wire are brought into close proximity with each other…
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Don’t just sit there! Build something!! Learning to mathematically…
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No text on electrical metering could be called complete without a…
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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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A switch can be constructed with any mechanism bringing two conductors…
Textbook
The table method provides a structured methodology for ensuring you…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Passives
Identify which trigonometric functions (sine, cosine, or tangent) are…
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There are three basic factors of capacitor construction determining…
Textbook
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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Single Phase Synchronous Motors Single-phase synchronous motors are…
Textbook
If a pulse-width modulated (PWM) signal is sent to a passive…
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In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.
Textbook
It is sometimes desirable to have circuits capable of selectively…
Textbook
This tool is designed to calculate cross-talk coefficient and coupled voltage for a microstrip.
Tools
Contributors to this chapter are listed in chronological order of…
Textbook
It is a common phenomenon for the electrical resistance of a substance…
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This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.
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With BogusBus, our signals were very simple and straightforward: each…
Textbook
The table method provides a structured methodology for ensuring you…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Passives
Explain how an ohmmeter is able to measure the resistance of a…
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NAND and NOR gates possess a special property: they are universal.…
Textbook
This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
Tools
In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.
Textbook
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Textbook
Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.
Tools
The first, and perhaps most important, relationship between current,…
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Don’t just sit there! Build something!! Learning to mathematically…
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Ammeters Measure Electrical Current A meter designed to measure…
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The node voltage method of DC network analysis solves for unknown…
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As was mentioned before, the angle of this “power…
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This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.
Tools
A rheostat (variable resistor) and a switch are both examples of…
Worksheets - Passives
What shape of voltage waveform would you expect to measure (using an…
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If some percentage of an amplifier’s output signal is connected…
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Since transformers are essentially AC devices, we need to be aware of…
Textbook
In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.
Textbook
Given two lengths of metal wire, which one will have the least…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Passives
This calculator computes the inductance of a wire coil.
Tools
Up to now, every circuit that was presented was a combinatorial…
Textbook
In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.
Textbook
In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.
Textbook
We’ve already seen one example of a monostable multivibrator in…
Textbook
Ladder diagrams are specialized schematics commonly used to document…
Textbook
In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.
Textbook
Ohm’s Law also makes intuitive sense if you apply it to the…
Textbook
This tool calculates the cutoff frequency of a rectangular waveguide
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