Brushless DC motors were developed from conventional brushed DC motors…
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Transformers with Multiple Secondaries Transformers are very versatile…
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Thyristors are a class of semiconductor components exhibiting…
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Single Phase Synchronous Motors Single-phase synchronous motors are…
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Don’t just sit there! Build something!! Learning to mathematically…
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Stepper Motor vs Servo Motor A stepper motor is a…
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Solid-state switching circuits usually keep their constituent…
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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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Another variation on a theme of bistable multivibrators is the J-K…
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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.
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If we take the equivalent circuit of an SCR and add another external…
Textbook
The interlock contacts installed in the previous section’s motor…
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Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Electromechanical
Normally, the ampacity rating of a conductor is a circuit design…
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In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.
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In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.
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Bipolar junction transistors (Also known as BJTs) can be used as an…
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After the introduction of the DC electrical distribution system by…
Textbook
Ladder diagrams are specialized schematics commonly used to document…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Electromechanical
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.
Textbook
What, exactly, is an arbitrary waveform generator, and for what…
Worksheets - Electromechanical
Consider a circuit for a single-phase AC power system, where a 120…
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If we examine a four-bit binary count sequence from 0000 to 1111, a…
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This calculator determines the total path loss provided by an RF n-way power splitter.
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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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This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit
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Inductive Reactance Capacitive Reactance …
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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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For reference, this section introduces the terminology used in some…
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Define what noise means, in the electrical sense of the word. How does…
Worksheets - Electromechanical
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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Don’t just sit there! Build something!! Learning to mathematically…
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“Garbage in, garbage out.” —Anonymous SPICE…
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It is sometimes said regarding electrical safety that, Ït’s not the…
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Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
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Another strategy for addressing the problem of secondary electrons…
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The table of electric currents and their various bodily effects was…
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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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Our exploration of thyristors begins with a device called the…
Textbook
Write the following exponential expressions in expanded form: 101 =…
Worksheets - Electromechanical
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Electromechanical
RELATED WORKSHEETS: JFET Amplifiers Worksheet
Textbook
This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.
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Suppose I were about to measure an unknown voltage with a manual-range…
Worksheets - Electromechanical
What do each of the oscilloscope axes represent, in real-life terms…
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An electromechanical generator is a device capable of producing…
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Parametric data for all semiconductor op-amp models except the CA3130…
Textbook
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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A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.
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Limitations of Electromechanical Relays As versatile as…
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Power in an electric circuit is the product (multiplication) of…
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Protective relays are special power-sensing devices whose job it is to…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Electromechanical
Provide a definition for phasor, as the term applies to electrical…
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Because batteries create current flow in a circuit by exchanging…
Textbook
The single-transistor inverter circuit illustrated earlier is actually…
Textbook
Contributors to this chapter are listed in chronological order of…
Textbook
Electromechanical watt-hour meters use an aluminum disk that is spun…
Worksheets - Electromechanical
This tool is designed to calculate the maximum distance (range) that a radar can detect
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