A microcontroller is a specialized type of digital computer used to…
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In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.
Textbook
As strange as it may seem, any repeating, non-sinusoidal waveform is…
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When an electric current is passed through a coil of wire, what…
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In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.
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Certain substances are known to physically deform (shorten or…
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Don’t just sit there! Build something!! Learning to analyze digital…
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Don’t just sit there! Build something!! Learning to mathematically…
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Most students of electricity begin their study with what is known as…
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Though mechanical ohmmeter (resistance meter) designs are rarely used…
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This page will walk you step-by-step through the process of…
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SCRs are unidirectional (one-way) current devices, making them useful…
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Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Textbook
∫f(x) dx Calculus alert! One of the fundamental principles of…
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Don’t just sit there! Build something!! Learning to mathematically…
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The superposition theorem is one of those strokes of genius that takes…
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The smaller the cross-sectional area of any given wire, the greater…
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Power measurement in AC circuits can be quite a bit more complex than…
Textbook
Explain the operation of this “H-bridge” motor control circuit: At…
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Many different equations used in the analysis of electric circuits may…
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Counting practice: count from zero to thirty-one in binary, octal, and…
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When lightning strikes, nearby magnetic compass needles may be seen to…
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Textbook
By definition, a low-pass filter is a circuit offering easy passage to…
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When calculating the power dissipation of resistive components, we can…
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Ammeters Measure Electrical Current A meter designed to measure…
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Textbook
This calculator computes the inductance of a wire coil.
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In this hands-on electronics experiment, build an edge-triggered S-R flip-flop, learn the difference between a latch and a flip-flop, and experience how a switch bounce can cause logic errors.
Textbook
This calculator determines the total path loss provided by an RF n-way power splitter.
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So far, the phenomenon of resonance appears to be a useless curiosity,…
Textbook
This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.
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A three-phase motor may be run from a single-phase power source.…
Textbook
The benefits of scientific notation do not end with ease of writing…
Textbook
If the ends of a wire loop are attached to two half-circular metal…
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In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.
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(“c” being a constant) RELATED…
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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.
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Contributors to this chapter are listed in chronological order of…
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RELATED WORKSHEETS: Decibel Measurements Worksheet
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The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.
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A wound rotor induction motor has a stator like a squirrel cage…
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Don’t just sit there! Build something!! Learning to mathematically…
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When calculating the power dissipation of resistive components, we can…
Textbook
Explain the principle of operation for the particular integrated…
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In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.
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Don’t just sit there! Build something!! Learning to mathematically…
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If you’ve ever witnessed a lightning storm, you’ve seen…
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In this collection of hands-on electronics experiments, build and test mixed-signal analog and digital circuits using the versatile 555 timer IC. These projects will teach you about RC time constants, duty cycle, transistor current drive, LEDs, voltage doublers, and more.
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In this hands-on electronics experiment, you will build a pulse-width modulator power controller for a light and learn the basics of PWM signals.
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In this hands-on electronics experiment, you will build a simple circuit that computes the average of voltages and learn about analog computers and their application.
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This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.
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What factors determine where potentiometers Rpot1 and Rpot2 must be…
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It is imperative to understand that the type of numeration system used…
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While the binary numeration system is an interesting mathematical…
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Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…
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There are two basic Ohm’s Law equations: one relating voltage,…
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This chapter explores the response of capacitors and inductors to…
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∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…
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