All About Circuits

Latest Switches Education

Categories

Intro Lab - Circuit With a Switch

Intro Lab - Circuit With a Switch

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.


Textbook

Fail-safe Design

Fail-safe Design

Logic circuits, whether comprised of electromechanical relays or…


Textbook

“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

Monostable Multivibrators

Monostable Multivibrators

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


Textbook

Thyristor Application Circuits

Thyristor Application Circuits

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


Worksheets - Switches

Contactors

Contactors

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


Textbook

Protective Relays

Protective Relays

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


Textbook

Time Constant Calculations

Time Constant Calculations

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


Worksheets - Switches

AC Bridge Circuits

AC Bridge Circuits

As we saw with DC measurement circuits, the circuit configuration…


Textbook

Contact “Normal” State and Make/Break Sequence

Contact “Normal” State and Make/Break Sequence

Any kind of switch contact can be designed so that the contacts…


Textbook

Basic Electromagnetic Relays

Basic Electromagnetic Relays

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


Worksheets - Switches

Electromechanical Relay Logic

Electromechanical Relay Logic

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


Worksheets - Switches

Resonance

Resonance

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


Worksheets - Switches

Motor Control Circuits

Motor Control Circuits

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


Textbook

Miscellaneous Diode Applications

Miscellaneous Diode Applications

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


Worksheets - Switches

High Voltage Ohmmeters

High Voltage Ohmmeters

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


Textbook

Bipolar Junction Transistors as Switches

Bipolar Junction Transistors as Switches

Solid-state switching circuits usually keep their constituent…


Worksheets - Switches

Hysteresis

Hysteresis

Thyristors are a class of semiconductor components exhibiting…


Textbook

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

Step-up, Step-down, and Isolation Transformers

Step-up, Step-down, and Isolation Transformers

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


Worksheets - Switches

TTL Logic Gates

TTL Logic Gates

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


Worksheets - Switches

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

Digital Logic Functions

Digital Logic Functions

We can construct a simple logic functions for our hypothetical lamp…


Textbook

Performance-Based Assessments for DC Circuit Competencies

Performance-Based Assessments for DC Circuit Competencies

(Template)


Worksheets - Switches

Synchronous Condenser

Synchronous Condenser

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


Textbook

Boolean Algebra

Boolean Algebra

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


Worksheets - Switches

Other Specialized Motors

Other Specialized Motors

Shaded Pole Induction Motor An easy way to provide starting torque to…


Textbook

Time-delay Relays

Time-delay Relays

What are Time-Delay Relays? Some relays are constructed with a kind of…


Textbook

Si Lab - Full-wave Center-tap Rectifier

Si Lab - Full-wave Center-tap Rectifier

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


Textbook

Bipolar Junction Transistors as Switches

Bipolar Junction Transistors as Switches

Solid-state switching circuits usually keep their constituent…


Worksheets - Switches

AC Instrumentation Transducers

AC Instrumentation Transducers

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


Textbook

Reluctance Motor

Reluctance Motor

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


Textbook

Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


Textbook

Solid-state Relays

Solid-state Relays

Limitations of Electromechanical Relays As versatile as…


Textbook

Special-output Gates

Special-output Gates

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


Textbook

The J-K Flip-Flop

The J-K Flip-Flop

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


Textbook

Fail-safe Design

Fail-safe Design

Logic circuits, whether comprised of electromechanical relays or…


Textbook

Time Constant Calculations

Time Constant Calculations

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


Worksheets - Switches

Switches

Switches

What is the purpose of the switch shown in this schematic diagram?


Worksheets - Switches

Intro Lab - Nonlinear Resistance

Intro Lab - Nonlinear Resistance

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.


Textbook

Design Project: Audio Power Amplifier

Design Project: Audio Power Amplifier

Explain how the microphone in your amplifier works. How, exactly, does…


Worksheets - Switches

Active Filters

Active Filters

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


Worksheets - Switches

Basic Electromagnetic Relays

Basic Electromagnetic Relays

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


Worksheets - Switches

Special Diodes

Special Diodes

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


Worksheets - Switches

Oscillator Circuits

Oscillator Circuits

Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…


Textbook

Inverting Op-Amp Resistor Calculator

Inverting Op-Amp Resistor Calculator

This calculator determines the bias and feedback of resistors for an inverting op-amp.


Tools

Antenna Downtilt and Coverage Calculator

Antenna Downtilt and Coverage Calculator

This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.


Tools

Mutual Inductors

Mutual Inductors

Mutual inductors are inductors that capitalize the effect of mutual…


Textbook

DC Metrology

DC Metrology

Define the following metrological terms: • Uncertainty • Accuracy…


Worksheets - Switches

PN Junctions

PN Junctions

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


Worksheets - Switches

AC Instrumentation Transducers

AC Instrumentation Transducers

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


Textbook

Re-drawing Complex Schematics

Re-drawing Complex Schematics

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


Textbook

Switch Contact Design

Switch Contact Design

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


Textbook

Don’t Care Cells in the Karnaugh Map

Don’t Care Cells in the Karnaugh Map

Up to this point we have considered logic reduction problems where…


Textbook

Network Topology

Network Topology

Point-to-Point Connecting two digital devices with a network, would…


Textbook

Ohmmeter Design

Ohmmeter Design

Though mechanical ohmmeter (resistance meter) designs are rarely used…


Textbook

Basic Electromagnetism and Electromagnetic Induction

Basic Electromagnetism and Electromagnetic Induction

When lightning strikes, nearby magnetic compass needles may be seen to…


Worksheets - Switches

Parallel DC Circuits Practice Worksheet With Answers

Parallel DC Circuits Practice Worksheet With Answers

In this circuit, three resistors receive the same amount of voltage…


Worksheets - Switches

Read-Only Memory (ROM)

Read-Only Memory (ROM)

Read-only memory (ROM) is similar in design to static or dynamic RAM…


Textbook