Categories

The S-R Latch

Textbook

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

Latch Circuits

Worksheets - Relays

What do you think this logic buffer gate will do, with the output…

Motor Control Circuits

Textbook

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

Bipolar Junction Transistors as Switches

Worksheets - Relays

Solid-state switching circuits usually keep their constituent…

DC Motor Control Circuits

Worksheets - Relays

How is it possible to electrically measure the torque output by a…

Permissive and Interlock Circuits

Textbook

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

Arc Flash and Arc Blast

Worksheets - Relays

Electromechanical relays used to start and stop high-power electric…

Protective Relay Circuits

Worksheets - Relays

Protective relays are special power-sensing devices whose job it is to…

Electromechanical Relay Logic

Worksheets - Relays

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

CMOS Logic Gates

Worksheets - Relays

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

Programmable Logic Controllers (PLC)

Textbook

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

Sensing AC Magnetic Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones Electromagnet coil…

Miscellaneous Diode Applications

Worksheets - Relays

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

Thyristor Application Circuits

Worksheets - Relays

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

Protective Relays

Textbook

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

Monostable Multivibrators

Textbook

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

AC Motor Control Circuits

Worksheets - Relays

Perhaps the most challenging aspect of interpreting ladder diagrams,…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Performance-Based Assessments for Digital Circuit Competencies

Worksheets - Relays

(Template)

Boolean Algebra

Worksheets - Relays

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

AC Motor Control Circuits

Worksheets - Relays

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Inductor Commutating Circuits

Textbook

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

Inductive Reactance

Worksheets - Relays

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

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Potentiometer as a Rheostat

Textbook

Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…

DC Motor Control Circuits

Worksheets - Relays

How is it possible to electrically measure the torque output by a…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Time-Delay Electromechanical Relays

Worksheets - Relays

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

Contactors

Textbook

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

The TRIAC

Textbook

SCRs are unidirectional (one-way) current devices, making them useful…

Reluctance Motor

Textbook

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

Sensing AC Magnetic Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones Electromagnet coil…

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

Textbook

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

Switch Contact Design

Textbook

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

Circuit With a Switch

Textbook

PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Miscellaneous Diode Applications

Worksheets - Relays

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

Voltmeter Impact on Measured Circuit

Textbook

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Kelvin (4-wire) Resistance Measurement

Textbook

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

Attenuators

Textbook

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

Binary Overflow

Textbook

One caveat with signed binary numbers is that of overflow, where the…

Pi-Match Impedance Matching Calculator

Tools

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

Potential Pitfalls

Textbook

Fallacious reasoning and poor interpersonal relations account for more…

Active Filters

Worksheets - Relays

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

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

High-impedance Voltmeter

Textbook

PARTS AND MATERIALS Operational amplifier, model TL082 recommended…

Vol I. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Regulated Power Sources

Worksheets - Relays

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

Signal Coupling

Textbook

PARTS AND MATERIALS 6 volt battery One capacitor, 0.22 µF…

Series-Parallel Combination AC Circuits

Worksheets - Relays

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

IGFET Quirks

Textbook

Ohm’s Law (again!)

Textbook

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

The Common-base Amplifier

Textbook

The final transistor amplifier configuration (Figure below) we need to…

Design Project: Telegraph System

Worksheets - Relays

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

Design Project: Sensitive Audio Detector

Worksheets - Relays

The choice of step-down transformers to use in a project such as this…

The Unijunction Transistor (UJT)

Textbook

Unijunction transistor: Although a unijunction transistor is not a…

Averager and Summer Circuits

Textbook

If we take three equal resistors and connect one end of each to a…