Don’t just sit there! Build something!! Learning to mathematically…
A three-phase motor may be run from a single-phase power source.…
Most AC motors are induction motors. Induction motors are favored due…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
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.
As an electric current is passed through a coil of wire, it creates a…
The armature windings of your DC motor will have very low resistance.…
A chandelier has five light bulbs in it, and one of them is not…
How is it possible to electrically measure the torque output by a…
Pulse Width Modulation (PWM) uses digital signals to control power…
All About Contactors When a relay is used to switch a large amount of…
Brushless DC motors were developed from conventional brushed DC motors…
Charles Proteus Steinmetz’s first job after arriving in America…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
Don’t just sit there! Build something!! Learning to analyze digital…
Calculate the voltage output by the secondary winding of a transformer…
AC Motors Perhaps the most important benefit of polyphase AC power…
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
Explain the operation of this “H-bridge” motor control circuit: At…
Generators used in battery-charging systems must be regulated so as to…
Remember that vectors are mathematical objects just like numbers on a…
Let’s begin with a semiconductor gate circuit in need of…
For reference, this section introduces the terminology used in some…
∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…
Thyristors are a class of semiconductor components exhibiting…
Note: this is a very unique and useful property of e. As in…
Unijunction transistor: Although a unijunction transistor is not a…
Identify each of these logic gates by name, and complete their…
In many circuit applications, we encounter components connected…
Fallacious reasoning and poor interpersonal relations account for more…
The manufacture of only silicon based semiconductors is described…
A tool designed to calculate the characteristic impedance of a twisted-pair cable
It is fairly important to use large value resistors (10 MΩ works…
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.
When analyzing complex series and parallel circuits, it is easy to…
When an electric current is passed through a coil of wire, what…
Although the prime intent of octal and hexadecimal numeration systems…
So far, we’ve been analyzing single-battery, single-resistor…
In this circuit, three resistors receive the same amount of voltage…
Don’t just sit there! Build something!! Learning to analyze digital…
The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.
In this motor control circuit, how would you ensure that there is no…
An electrical connector, is an electro-mechanical device used to join…
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.
Don’t just sit there! Build something!! Learning to mathematically…
Ohm’s Law also makes intuitive sense if you apply it to the…
Input Voltages for Logic Gates Logic gate circuits are designed to…
At the beginning of this chapter, it illustrates how transistors could…
Contributors to this chapter are listed in chronological order of…
Thomas Edison, that prolific American inventor, is often credited with…
In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.
It has been found that any repeating, non-sinusoidal waveform can be…
Convert between Celsius, Fahrenheit and Kelvin
When connecting batteries together to form larger “banks”…
How is it possible to electrically measure the torque output by a…
What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…
As was stated in the last chapter, there is more than one type of…
Identify each of these logic gates by name, and complete their…
Mutual inductors are inductors that capitalize the effect of mutual…
Perhaps the most important consideration of an ADC is its resolution.…