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Tube Lab - Vacuum Tube Audio Amplifier

Textbook

In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.

Resonance

Worksheets - Automotive

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

Basic Troubleshooting Strategies

Worksheets - Automotive

A chandelier has five light bulbs in it, and one of them is not…

Design Project: DC Motor

Worksheets - Automotive

The armature windings of your DC motor will have very low resistance.…

DC Generator Theory

Worksheets - Automotive

Generators used in battery-charging systems must be regulated so as to…

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Worksheets - Automotive

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

DC Lab - Potentiometer as a Rheostat

Textbook

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.

Electric Shock

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It is sometimes said regarding electrical safety that, Ït’s not the…

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

Calculus for Electric Circuits

Worksheets - Automotive

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

Microcontroller Principles

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Read the following quotation, and then research the term…

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Automotive

As an electric current is passed through a coil of wire, it creates a…

DC Motor Theory

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If the ends of a wire loop are attached to two half-circular metal…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Safety Grounding

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In simple AC power systems, one of the two conductors is typically…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Step-up, Step-down, and Isolation Transformers

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Calculate the voltage output by the secondary winding of a transformer…

AC Motor Control Circuits

Worksheets - Automotive

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Wheatstone Bridge Calculator

Tools

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.

Shock Current Path

Textbook

As we’ve already learned, electricity requires a complete path…

Si Lab - A Simple BJT Current Mirror Circuit

Textbook

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.

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.

AC Resistor Circuits (Capacitive)

Textbook

Pure resistive AC circuit: voltage and current are in phase.  …

Temperature Coefficient of Resistance

Worksheets - Automotive

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

Mutual Inductors

Textbook

Mutual inductors are inductors that capitalize the effect of mutual…

Basic Troubleshooting Strategies

Worksheets - Automotive

A chandelier has five light bulbs in it, and one of them is not…

Temperature Converter

Tools

Convert between Celsius, Fahrenheit and Kelvin

AC phase

Worksheets - Automotive

If we were to express the series-connected DC voltages as phasors…

Unit Conversion Calculator

Tools

Convert to and from different units of length, weight, power, temperature and torque

Design Project: Stepper Motor Driver

Worksheets - Automotive

At first it may seem pointless to have the four buffer gates following…

Electrical Transients

Textbook

This chapter explores the response of capacitors and inductors to…

Re-drawing Complex Schematics

Textbook

Typically, complex circuits are not arranged in nice, neat, clean…

Band Theory of Solids

Textbook

Quantum physics describes the states of electrons in an atom according…

Design Project: Power Inverter

Worksheets - Automotive

A common topology for DC-AC power converter circuits uses a pair of…

Inductor Voltage and Current Relationship

Textbook

Inductors do not have a stable “resistance” as conductors…

Digital Communication

Worksheets - Automotive

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

Logarithms

Textbook

Definition of a Logarithm     “log” denotes a…

OpAmp Oscillator Circuits

Worksheets - Automotive

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

An Analogy for Divided Feedback

Textbook

A helpful analogy for understanding divided feedback amplifier…

Insulator Breakdown Voltage

Textbook

The atoms in insulating materials have very tightly-bound electrons,…

Kelvin (4-wire) Resistance Measurement

Textbook

Suppose we wished to measure the resistance of some component located…

Intro Lab - Resistor Power Dissipation

Textbook

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.

Synchronous Condenser

Textbook

Synchronous motors load the power line with a leading power factor.…

JFET Quirks

Textbook

Safe Circuit Design

Textbook

As we saw earlier, a power system with no secure connection to earth…

Pi-Match Impedance Matching Calculator

Tools

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

“Long’’ and “Short’’ Transmission Lines

Textbook

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Automotive

As an electric current is passed through a coil of wire, it creates a…

Inductor Commutating Circuits

Textbook

A popular use of diodes is for the mitigation of inductive…

Decibel Measurements

Worksheets - Automotive

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

Decibels Equations

Textbook

  RELATED WORKSHEETS: Decibel Measurements Worksheet

The Common-gate Amplifier (IGFET)

Textbook

Free Space Path Loss Calculator

Tools

This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.

Series Circuit Rules

Textbook

Current Components in a series circuit share the same current: Itotal…

Digital Communication

Worksheets - Automotive

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

Simple Circuits

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Shown here is the schematic symbol for a resistor: What is the purpose…

CMOS Gate Circuitry

Textbook

Up until this point, our analysis of transistor logic circuits has…

Contributors (10)

Textbook

Contributors to this chapter are listed in chronological order of…

Important Constants

Textbook

Euler’s Number Euler’s constant is an important value for…