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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.

Encoders and Decoders

Worksheets - Electromechanical

What does it mean, in general terms, to encode something? Conversely,…

AC Lab - Using a Transformer to Build a 12 VAC Power Supply

Textbook

In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.

Lenz’s Law and Faraday’s Law Calculator

Tools

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

Synchronous Condenser

Textbook

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

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Basic Electromagnetic Relays

Worksheets - Electromechanical

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

Contactors

Textbook

All About Contactors When a relay is used to switch a large amount of…

Si Lab - Full-wave Center-tap Rectifier

Textbook

In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Wound Rotor Induction Motors

Textbook

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

Special-output Gates

Textbook

Complementary Output Gates It is sometimes desirable to have a logic…

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Pulse Width Modulation

Textbook

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

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Switches, Electrically Actuated (Relays)

Textbook

The structure behind ladder logic is based on the electrical ladder…

Electromechanical Relay Logic

Worksheets - Electromechanical

In ladder logic symbolism, an electromechanical relay coil is shown as…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…

Digital-to-Analog Conversion

Worksheets - Electromechanical

If a pulse-width modulated (PWM) signal is sent to a passive…

Design Project: Radio Transmitter

Worksheets - Electromechanical

Research the FCC (Federal Communication Commission) guidelines on…

Derivative of a Constant

Textbook

    (“c” being a constant)   RELATED…

Speed Distance Time Calculator

Tools

This calculator will solve for either distance, time, or speed given two of the three parameters.

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

Series and Parallel Component Equivalent Values

Textbook

Series and Parallel Resistances     Series and Parallel…

Susceptance and Admittance

Textbook

What is Conductance? In the study of DC circuits, the student of…

Peak Detector

Textbook

A peak detector is a series connection of a diode and a…

DC Lab - Current Divider

Textbook

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.

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Capacitor Charge and Time Constant Calculator

Tools

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.

Intro Lab - Nonlinear Resistance

Textbook

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.

Contributors (10)

Textbook

Contributors to this chapter are listed in chronological order of…

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

DC Transducers

Worksheets - Electromechanical

Research and describe what the Hall effect is, and list some practical…

Introduction to Network Theorems for Circuit Analysis

Textbook

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

Digital Codes

Worksheets - Electromechanical

Counting practice: count from zero to thirty-one in binary, octal, and…

Karnaugh Maps, Truth Tables, and Boolean Expressions

Textbook

Who Developed the Karnaugh Map? Maurice Karnaugh, a…

T-Pad Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.

Building Series-Parallel Resistor Circuits

Textbook

Once again, when building battery/resistor circuits, the student or…

Ammeter Impact on Measured Circuit

Textbook

Just like voltmeters, ammeters tend to influence the amount of current…

Op-Amp Voltage and Gain Calculator

Tools

A calculator for computing the gain and output voltage of an operational amplifier

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.

Depletion-type IGFETs

Textbook

Insulated gate field-effect transistors are unipolar devices just like…

Design Project: Audio Media-Based Signal Generator

Worksheets - Electromechanical

Identify some different ways you can create the sine-wave audio tracks…

Analog-to-Digital Conversion

Worksheets - Electromechanical

The circuit shown here is a four-bit analog-to-digital converter…

AC Instrumentation Transducers

Textbook

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

Basic Oscilloscope Operation

Worksheets - Electromechanical

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

AC Voltmeters and Ammeters

Textbook

AC electromechanical meter movements come in two basic arrangements:…

Design Project: Telegraph System

Worksheets - Electromechanical

What voltage will you choose to use for each of the station batteries?

Troubleshooting Series and Parallel Circuits

Textbook

The jobs of electronics engineers and technicians frequently entail…

Open-Loop OpAmp Circuits

Worksheets - Electromechanical

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

Simultaneous Equations for Circuit Analysis

Worksheets - Electromechanical

Solve this equation for the value of x: x + 5 = 8 How many exact…

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

What Are Zener Diodes?

Textbook

What Is a Zener Diode? A Zener diode is a special type of rectifying…

Series and Parallel Inductors

Textbook

When inductors are connected in series, the total inductance is the…

Si Lab - Multi-stage Amplifier

Textbook

In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.

Microstrip Trace Width Calculator

Tools

This tool is designed to compute for the trace width of a microstrip

Printed Circuit Board Layout and Manufacture

Worksheets - Electromechanical

When a PCB designer speaks of dimensions in thous or mils, what does…

Introduction to Electron Tubes

Textbook

An often neglected area of study in modern electronics is that of…