Categories

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Polyphase Motor Design

Textbook

AC Motors Perhaps the most important benefit of polyphase AC power…

Voltage Regulation

Textbook

As we saw in a few SPICE analyses earlier in this chapter, the output…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Digital Lab - Digital Combination Lock

Textbook

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.

Time-Delay Electromechanical Relays

Worksheets - Electromechanical

What does the normal status of an electrical switch refer to?…

Inductor Commutating Circuits

Textbook

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

Intro Lab - Circuit With a Switch

Textbook

In this hands-on electronics experiment, you will control a light with a switch and learn the basics of connecting toggle (on/off) switches into circuits.

Resonance

Worksheets - Electromechanical

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

The Silicon-Controlled Switch (SCS)

Textbook

If we take the equivalent circuit of an SCR and add another external…

Three-phase Transformer Circuits

Textbook

Since three-phase is used so often for power distribution systems, it…

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Impedance Matching With Transformers

Worksheets - Electromechanical

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

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.

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Flip-Flop Circuits

Worksheets - Electromechanical

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

Introduction to Diodes And Rectifiers

Textbook

All About Diodes A diode is an electrical device allowing current to…

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Basic Electromagnetic Relays

Worksheets - Electromechanical

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

Semiconductor Manufacturing Techniques

Textbook

The manufacture of only silicon based semiconductors is described…

Wire Loop Inductance Calculator

Tools

This calculator helps you compute the inductance of a wire loop.

Analog Lab - Class B Audio Amplifier

Textbook

In this hands-on electronics experiment, build a Class B push-pull audio amplifier to drive a speaker and learn about crossover distortion and how to minimize it using negative feedback.

Algebraic Substitution for Electric Circuits

Worksheets - Electromechanical

There are two basic Ohm’s Law equations: one relating voltage,…

Square Wave Signals

Textbook

It has been found that any repeating, non-sinusoidal waveform can be…

Impedance Matching With Transformers

Worksheets - Electromechanical

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

Series and Parallel Capacitors

Textbook

When capacitors are connected in series, the total capacitance is…

Potential Pitfalls

Textbook

Fallacious reasoning and poor interpersonal relations account for more…

Regulated Power Sources

Worksheets - Electromechanical

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

Unit Conversion Calculator

Tools

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

JFET Quirks

Textbook

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Inductors

Worksheets - Electromechanical

∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…

555 Lab - Introduction to the 555 Timer IC

Textbook

In this collection of hands-on electronics experiments, build and test mixed-signal analog and digital circuits using the versatile 555 timer IC. These projects will teach you about RC time constants, duty cycle, transistor current drive, LEDs, voltage doublers, and more.

Input and Output Coupling

Textbook

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

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Ohm’s Law (again!)

Textbook

A common phrase heard in reference to electrical safety goes something…

Trigonometric Derivatives

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

Inductance

Worksheets - Electromechanical

∫f(x) dx Calculus alert! One of the fundamental principles of…

An Electric Pendulum

Textbook

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

DC Motor Theory

Worksheets - Electromechanical

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

Shock Current Path

Textbook

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

Summary of Filters

Textbook

As lengthy as this chapter has been up to this point, it only begins…

Component Modeling

Worksheets - Electromechanical

When plotted on a curve tracer, the characteristic curve for a normal…

Voltage Divider Circuits

Textbook

Let’s analyze a simple series circuit and determine the voltage…

Transistors, Insulated-gate Field-effect (IGFET or MOSFET)

Textbook

We have the symbols for depletion mode and enhancement mode MOSFETs -…

Performance-Based Assessments for DC Circuit Competencies

Worksheets - Electromechanical

(Template)

T-Match Impedance Matching Circuits

Tools

A tool designed to compute the values to be used in a T-match Impedance Circuit

DC Lab - Build Your Own Multimeter

Textbook

In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.

Making a Venn Diagram Look Like a Karnaugh Map

Textbook

Starting with circle A in a rectangular A’ universe in figure…

Important Constants

Textbook

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

Memory with moving parts: “Drives”

Textbook

The earliest forms of digital data storage involving moving parts was…

Digital Ramp ADC

Textbook

Also known as the stairstep-ramp, or simply counter A/D converter,…

Negative Feedback OpAmp Circuits

Worksheets - Electromechanical

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

Systems of Numeration

Textbook

Roman Numerals The Romans devised a system that was a substantial…

Enhancement-type IGFETs

Textbook

Introduction to Network Theorems for Circuit Analysis

Textbook

Anyone who’s studied geometry should be familiar with the…

Early Tube History

Textbook

Thomas Edison, that prolific American inventor, is often credited with…

VSWR / Return Loss Calculator

Tools

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line

Voltage Divider Circuits

Worksheets - Electromechanical

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