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Thyristor Application Circuits

Thyristor Application Circuits

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


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High Voltage Ohmmeters

High Voltage Ohmmeters

Most ohmmeters of the design shown in the previous section utilize a…


Textbook

TTL Logic Gates

TTL Logic Gates

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


Worksheets - Relays

“Ladder” Diagrams

“Ladder” Diagrams

Ladder diagrams are specialized schematics commonly used to document…


Textbook

Permissive and Interlock Circuits

Permissive and Interlock Circuits

A practical application of switch and relay logic is in control…


Textbook

What is Alternating Current (AC)?

What is Alternating Current (AC)?

Most students of electricity begin their study with what is known as…


Textbook

Switch Contact Design

Switch Contact Design

A switch can be constructed with any mechanism bringing two conductors…


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Programmable Logic Controllers (PLC)

Programmable Logic Controllers (PLC)

Before the advent of solid-state logic circuits, logical control…


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AC Instrumentation Transducers

AC Instrumentation Transducers

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


Textbook

Solid-state Relays

Solid-state Relays

Limitations of Electromechanical Relays As versatile as…


Textbook

Time Constant Calculations

Time Constant Calculations

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


Worksheets - Relays

Tube Lab - Vacuum Tube Audio Amplifier

Tube Lab - Vacuum Tube Audio Amplifier

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.


Textbook

555 Lab - LED Flasher with Inductive Flyback

555 Lab - LED Flasher with Inductive Flyback

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.


Textbook

Boolean Algebra

Boolean Algebra

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


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Protective Relays

Protective Relays

A special type of relay is one that monitors the current, voltage,…


Textbook

Linear Computational Circuitry

Linear Computational Circuitry

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


Worksheets - Relays

Performance-Based Assessments for Digital Circuit Competencies

Performance-Based Assessments for Digital Circuit Competencies

(Template)


Worksheets - Relays

CMOS Logic Gates

CMOS Logic Gates

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


Worksheets - Relays

Basic Electromagnetic Relays

Basic Electromagnetic Relays

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


Worksheets - Relays

Electromagnetism

Electromagnetism

The discovery of the relationship between magnetism and electricity…


Textbook

AC Lab - Large Induction Motor

AC Lab - Large Induction Motor

In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.


Textbook

CMOS Logic Gates

CMOS Logic Gates

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


Worksheets - Relays

Light-Pulse Switch

Light-Pulse Switch

It is fairly important to use large value resistors (10 MΩ works…


Worksheets - Relays

Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


Textbook

Flyback Switch Mode Regulator Calculator

Flyback Switch Mode Regulator Calculator

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


Tools

What is Alternating Current (AC)?

What is Alternating Current (AC)?

Most students of electricity begin their study with what is known as…


Textbook

Solid-state Relays

Solid-state Relays

Limitations of Electromechanical Relays As versatile as…


Textbook

Synchronous Motors

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…


Textbook

DC Motor Theory

DC Motor Theory

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


Worksheets - Relays

Si Lab - Bipolar Transistor as a Switch

Si Lab - Bipolar Transistor as a Switch

In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.


Textbook

Boolean Algebra

Boolean Algebra

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


Worksheets - Relays

Voltage Regulation

Voltage Regulation

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


Textbook

The J-K Flip-Flop

The J-K Flip-Flop

Another variation on a theme of bistable multivibrators is the J-K…


Textbook

Tube Lab - Vacuum Tube Audio Amplifier

Tube Lab - Vacuum Tube Audio Amplifier

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.


Textbook

Switch Contact Design

Switch Contact Design

A switch can be constructed with any mechanism bringing two conductors…


Textbook

Relay Construction

Relay Construction

Electricity and Magnetism An electric current through a conductor will…


Textbook

Miscellaneous Diode Applications

Miscellaneous Diode Applications

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


Worksheets - Relays

Lenz’s Law and Faraday’s Law Calculator

Lenz’s Law and Faraday’s Law Calculator

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.


Tools

Voltmeter Impact on Measured Circuit

Voltmeter Impact on Measured Circuit

Every meter impacts the circuit it is measuring to some extent, just…


Textbook

Fail-safe Design

Fail-safe Design

Logic circuits, whether comprised of electromechanical relays or…


Textbook

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.


Tools

Vol III. Credits

Vol III. Credits

All entries arranged in alphabetical order of surname. Major…


Textbook

Static Electricity

Static Electricity

It was discovered centuries ago that certain types of materials would…


Textbook

Si Lab - Intro to Discrete Semiconductor Circuits

Si Lab - Intro to Discrete Semiconductor Circuits

In these hands-on semiconductor electronics experiments, learn to build and test circuits using discrete silicon (Si) devices, including diodes and transistors. Also, learn important circuit designs, including rectifiers, current mirrors, amplifiers, and oscillators.


Textbook

Contributors (6)

Contributors (6)

Contributors to this chapter are listed in chronological order of…


Textbook

Basic Ammeter Use

Basic Ammeter Use

Show how this ammeter would be connected to the light bulb circuit to…


Worksheets - Relays

Numeration Systems

Numeration Systems

Digital computers communicate with external devices through ports:…


Worksheets - Relays

Battery Construction

Battery Construction

The word battery simply means a group of similar components. In…


Textbook

Copper Wire Ampacity Table

Copper Wire Ampacity Table

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…


Textbook

Resistivity Calculator

Resistivity Calculator

This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.


Tools

The Common-source Amplifier (JFET)

The Common-source Amplifier (JFET)

RELATED WORKSHEETS: JFET Amplifiers Worksheet


Textbook

Look-up Tables

Look-up Tables

Having learned about digital memory devices in the last chapter, we…


Textbook

Rules for Derivatives

Rules for Derivatives

Constant rule Rule of sums Rule of differences Product rule Quotient…


Textbook

Overcurrent Protection

Overcurrent Protection

What hazards might be posed by a circuit with excessive current going…


Worksheets - Relays

Comparator with Hysteresis (Schmitt Trigger) Calculator

Comparator with Hysteresis (Schmitt Trigger) Calculator

This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).


Tools

Inductor Quirks

Inductor Quirks

In an ideal case, an inductor acts as a purely reactive device. That…


Textbook

Amplifier Impedances

Amplifier Impedances

Input impedance varies considerably with the circuit configuration…


Textbook

Single-ended and Differential Amplifiers

Single-ended and Differential Amplifiers

For ease of drawing complex circuit diagrams, electronic amplifiers…


Textbook

More on AC “polarity”

More on AC “polarity”

Complex numbers are useful for AC circuit analysis because they…


Textbook

Performance-Based Assessments for Basic Electricity Competencies

Performance-Based Assessments for Basic Electricity Competencies

(Template)


Worksheets - Relays