In the chapter on mixed-frequency signals, we explored the concept of…
JFETs, like bipolar transistors, are able to “throttle”…
The Parallel Wires of Infinite Length Suppose, though, that we had a…
Bipolar Junction Transistor or BJT Current Mirror An often-used…
Whenever electrons flow through a conductor, a magnetic field will…
This page will walk you step-by-step through the process of…
Stepper Motor vs Servo Motor A stepper motor is a…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
We know that the current in a series circuit may be calculated with…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
A transmission line of infinite length is an interesting abstraction,…
There are three major kinds of power supplies: unregulated (also…
Because capacitors store energy in the form of an electric field, they…
The bipolar junction transistor (BJT) was named because its operation…
Don’t just sit there! Build something!! Learning to mathematically…
In the simplest terms you can think of, define what an electrical…
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.
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
Ammeters Measure Electrical Current A meter designed to measure…
This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
As an electric current is passed through a coil of wire, it creates a…
Long before the advent of digital electronic technology, computers…
In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
In this collection of hands-on electronics experiments, build and test digital circuits and learn the fundamentals of digital logic circuits, including gates, counters, logic levels, hysteresis, memory, and more.
Don’t just sit there! Build something!! Learning to analyze digital…
What is an Insulated Gate Bipolar Transistor (IGBT), and what…
What will this voltmeter register when connected to a battery as shown…
Identify which trigonometric functions (sine, cosine, or tangent) are…
A common phrase heard in reference to electrical safety goes something…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
A calculator for computing the gain and output voltage of an operational amplifier
Many different equations used in the analysis of electric circuits may…
Electromechanical relays used to start and stop high-power electric…
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.
Pulse Width Modulation (PWM) uses digital signals to control power…
When an electric current is passed through a coil of wire, what…
Counting practice: count from zero to thirty-one in binary, octal, and…
What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…
In this hands-on electronics experiment, you will build an op amp voltage follower and learn about negative feedback in operational amplifier circuits.
Capacitors do not have a stable “resistance” as conductors…
This tool is designed to compute for the trace width of a microstrip
Don’t just sit there! Build something!! Learning to mathematically…
In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.
Determine what the magnitude and polarity of the voltmeter’s…
The Q, or quality, factor of a resonant circuit is a measure of the…
SPICE analysis of Electrical Isolation Aside from the ability to…
The concept and measurement units of resistance are most often used…
If an electric current is passed through this wire, which direction…
“I think it is safe to say that no one understands quantum…
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.
Radio waves are comprised of oscillating electric and magnetic fields,…
When calculating the power dissipation of resistive components, we can…
“With Electronics Workbench, you can create circuit schematics…
In this hands-on electronics experiment, you will build a resistive voltage divider and observe how Ohm's law and Kirchhoff's voltage law (KVL) function in real circuits using a voltmeter and an ammeter.
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.
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
This calculator helps you compute the inductance of a wire loop.
Learn about junction field effect transistors (JFETs), their equations, and how to model and simulate JFETs in LTspice.
In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.
