Don’t just sit there! Build something!! Learning to mathematically…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
When an alternator produces AC voltage, the voltage switches polarity…
In this hands-on AC electronics experiment, use the frequency spectrum display from an oscilloscope program to observe waveforms from a musical keyboard and learn about spectral analysis.
Don’t just sit there! Build something!! Learning to mathematically…
What hazards might be posed by a circuit with excessive current going…
Don’t just sit there! Build something!! Learning to mathematically…
A very useful tool for observing rotating objects is a strobe light.…
Don’t just sit there! Build something!! Learning to mathematically…
It used to be with large AC power systems that “power…
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.
In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
In electric circuits, the three basic quantities are voltage (E or V),…
The circuit shown here is a four-bit analog-to-digital converter…
In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.
If a sinusoidal voltage is applied to an impedance with a phase angle…
In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.
Don’t just sit there! Build something!! Learning to mathematically…
At the beginning of this chapter, it illustrates how transistors could…
Don’t just sit there! Build something!! Learning to mathematically…
In this hands-on electronics experiment, you will compare the resistance of a lamp filament in its on and off states and learn about nonlinear resistances by applying Ohm's law.
Explain how an ohmmeter is able to measure the resistance of a…
In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.
Real operational amplifiers have some imperfections compared to an…
In power distribution systems, it is very important to be able to…
In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.
Seeing as how a common meter movement can be made to function as a…
Don’t just sit there! Build something!! Learning to analyze digital…
Every meter impacts the circuit it is measuring to some extent, just…
In this hands-on electronics experiment, you will build resistive current dividers and observe how Ohm's law and Kirchhoff's current law function in real circuits using a voltmeter and an ammeter.
Don’t just sit there! Build something!! Learning to mathematically…
Using an electrical meter safely and efficiently is perhaps the most…
Show how this ammeter would be connected to the light bulb circuit to…
Bipolar transistors are constructed of a three-layer semiconductor…
Ammeters Measure Electrical Current A meter designed to measure…
In this hands-on AC electronics experiment, use a PC-based oscilloscope program to observe waveforms from a musical keyboard and learn basic oscilloscope operation.
Don’t just sit there! Build something!! Learning to mathematically…
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.
Don’t just sit there! Build something!! Learning to mathematically…
If an electric current is passed through this wire, which direction…
This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.
A diode is an electronics component made from a combination of a…
Don’t just sit there! Build something!! Learning to mathematically…
Shown here is a simplified representation of an atom: the smallest…
Definition of a Factorial Denoted by the symbol “!” after…
The manufacture of only silicon based semiconductors is described…
For reference, this section introduces the terminology used in some…
In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.
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.
What do you think this logic buffer gate will do, with the output…
Learn About L/R Time Constants It is often perplexing to new students…
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.
In the last section, we saw how the 3rd harmonic and all of its…
Computers can be powerful tools if used properly, especially in the…
Convert between Celsius, Fahrenheit and Kelvin
Mathematicians use Venn diagrams to show the logical relationships of…
If a sinusoidal voltage is applied to an impedance with a phase angle…
A common phrase heard in reference to electrical safety goes something…