Categories

Four-Channel Audio Mixer

Worksheets - Audio

A very common misconception students have about potentiometers is the…

Open-Loop OpAmp Circuits

Worksheets - Audio

Determine what the magnitude and polarity of the voltmeter’s…

Si Lab - Light Sensor (LED Photodetector)

Textbook

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.

The “Operational” Amplifier

Textbook

Long before the advent of digital electronic technology, computers…

Input and Output Coupling

Textbook

To overcome the challenge of creating necessary DC bias voltage for an…

Impedance Matching With Transformers

Worksheets - Audio

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

Multi-Stage Transistor Amplifiers

Worksheets - Audio

Don’t just sit there! Build something!! Learning to mathematically…

Clipper and Clamper Circuits

Worksheets - Audio

Don’t just sit there! Build something!! Learning to mathematically…

“Long’’ and “Short’’ Transmission Lines

Textbook

In DC and low-frequency AC circuits, the characteristic impedance of…

Design Project: Signal Generator

Worksheets - Audio

Explain the principle of operation for the particular integrated…

Attenuators

Textbook

What is Attenuators? Attenuators are passive devices. It is…

LC Resonant Frequency Calculator

Tools

A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.

Series and Parallel AC Circuits

Worksheets - Audio

Don’t just sit there! Build something!! Learning to mathematically…

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

Analog Lab - 555 Oscillator (Astable Multivibrator)

Textbook

In this hands-on electronics experiment, build an oscillator using a 555 timer and learn the theory of operation of the 555 timer when configured as an astable multivibrator.

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Audio

Don’t just sit there! Build something!! Learning to mathematically…

Resonance

Worksheets - Audio

The Q factor of a series inductive circuit is given by the following…

DC Lab - Sensitive Voltage Detector With Audio Output

Textbook

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.

Decibel Measurements

Worksheets - Audio

During the early development of telephone technology, a unit was…

Decibel Calculator

Tools

This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.

DC Lab - Parallel Batteries

Textbook

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.

Temperature Coefficient of Resistance

Worksheets - Audio

It is a common phenomenon for the electrical resistance of a substance…

AC Negative Feedback OpAmp Circuits

Worksheets - Audio

Don’t just sit there! Build something!! Learning to mathematically…

Electric Shock Data

Textbook

The table of electric currents and their various bodily effects was…

Temperature Converter

Tools

Convert between Celsius, Fahrenheit and Kelvin

Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

Textbook

An unbalanced Wheatstone bridge cannot be solved using simple series…

Si Lab - Full-wave Bridge Rectifier With Output Filtering

Textbook

In this hands-on semiconductor experiment, build an improved full-wave rectifier with output filtering and learn about capacitive filtering in AC-to-DC power converters.

Basic AC-DC Power Supplies

Worksheets - Audio

Don’t just sit there! Build something!! Learning to mathematically…

MESFETs

Textbook

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

Mutual Inductance

Textbook

If two coils of wire are brought into close proximity with each other…

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

Trigonometry for AC Circuits

Worksheets - Audio

Identify which trigonometric functions (sine, cosine, or tangent) are…

Basic Circuit Troubleshooting

Worksheets - Audio

Determine if the light bulb will de-energize for each of the following…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Polarity of voltage drops

Textbook

When using conventional current flow, we can trace the direction of…

Scientific Notation in SPICE

Textbook

The SPICE circuit simulation computer program uses scientific notation…

Basic Oscilloscope Operation

Worksheets - Audio

An oscilloscope is a very useful piece of electronic test equipment.…

Linear Computational Circuitry

Worksheets - Audio

Don’t just sit there! Build something!! Learning to mathematically…

An Electric Pendulum

Textbook

Capacitors store energy in the form of an electric field, and…

Monostable Multivibrators

Textbook

We’ve already seen one example of a monostable multivibrator in…

Design Project: Voltmeter

Worksheets - Audio

The most important component of your voltmeter will be the…

Factors Affecting Capacitance

Textbook

There are three basic factors of capacitor construction determining…

Likely Failures in Unproven Systems

Textbook

“All men are liable to error;” —John Locke Whereas…

Programmable Logic Controllers

Worksheets - Audio

The Programmable Logic Controller, or PLC, was invented in the late…

Basic Ohmmeter Use

Worksheets - Audio

Explain how an ohmmeter is able to measure the resistance of a…

Intro Lab - Build an Electromagnet

Textbook

In this hands-on electronics experiment, you will build an electromagnet and learn about electromagnetism including the relationship of magnetic polarity to current flow.

Mutual Inductance and Basic Operation

Textbook

Behaviors of Inductors wrapped around a Conductive Core Suppose we…

Series LED Resistor Calculator

Tools

This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.

Bipolar Junction Transistors in Active Mode

Worksheets - Audio

Don’t just sit there! Build something!! Learning to mathematically…

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

Millman’s Theorem

Worksheets - Audio

Don’t just sit there! Build something!! Learning to mathematically…

The Importance of Electrical Safety

Textbook

With this lesson, I hope to avoid a common mistake found in…

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

AC Lab - Build a Transformer

Textbook

In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.

Vol IV. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Multimeters

Textbook

Seeing as how a common meter movement can be made to function as a…

Scientific Notation in SPICE

Textbook

The SPICE circuit simulation computer program uses scientific notation…

Si Lab - Half-wave Rectifier

Textbook

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.

Energy, Work, and Power

Worksheets - Audio

Define the following terms: energy, work, and power.