Categories

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.

Contact “Normal” State and Make/Break Sequence

Textbook

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

DC Motor Control Circuits

Worksheets - Motors

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

Programmable Logic Controllers (PLC)

Textbook

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

AC Motor Control Circuits

Worksheets - Motors

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Latch Circuits

Worksheets - Motors

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

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

AC Bridge Circuits

Textbook

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

Contactors

Textbook

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

AC Instrumentation Transducers

Textbook

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

TTL Logic Gates

Worksheets - Motors

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

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

TTL Logic Gates

Worksheets - Motors

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

Voltage Regulation

Textbook

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Simple Combination Lock

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Insulated Gate Bipolar Transistors

Worksheets - Motors

What is an Insulated Gate Bipolar Transistor (IGBT), and what…

Time-delay Relays

Textbook

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Stepper Motor Calculator

Tools

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

DC Motor Control Circuits

Worksheets - Motors

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

Flyback Switch Mode Regulator Calculator

Tools

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

Digital Logic Functions

Textbook

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

Step-up, Step-down, and Isolation Transformers

Worksheets - Motors

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

DC Motor Theory

Worksheets - Motors

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

Transformer—Power Supply

Textbook

PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…

Special-output Gates

Textbook

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

Protective Relay Circuits

Worksheets - Motors

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

Light-Pulse Switch

Worksheets - Motors

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

Electrical Isolation

Textbook

SPICE analysis of Electrical Isolation Aside from the ability to…

Performance-Based Assessments for Semiconductor Circuit Competencies

Worksheets - Motors

Edge-triggered Latches: Flip-Flops

Textbook

So far, we’ve studied both S-R and D latch circuits with enable…

Peak, Average, and RMS Measurements

Worksheets - Motors

How is it possible to assign a fixed value of voltage or current (such…

Introduction to Operational Amplifiers (Op-amps)

Textbook

What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…

Factorials

Textbook

Definition of a Factorial Denoted by the symbol “!” after…

Simple AC Circuit Calculations

Textbook

Over the course of the next few chapters, you will learn that AC…

Overcurrent Protection

Worksheets - Motors

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

555 Timer Monostable Circuit Calculator

Tools

This calculator computes for the output pulse width of a 555 timer monostable circuit

Broadside Coupled Trace Inductance Calculator

Tools

This calculator helps you compute the inductance of a broadside coupled trace.

Multiplexers

Textbook

A multiplexer, abbreviated mux, is a device that has multiple inputs…

Operational Amplifier Models

Textbook

While mention of operational amplifiers typically provokes visions of…

Series and Parallel Capacitors

Textbook

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

Design Project: DC Voltage Regulator

Worksheets - Motors

It may seem difficult to even start on a project such as this, with no…

VSWR / Return Loss Calculator

Tools

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

Logarithms

Textbook

Definition of a Logarithm     “log” denotes a…

Synchronous Condenser

Textbook

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

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

LC Resonant Frequency Calculator

Tools

A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.

Class B BJT Amplifiers

Worksheets - Motors

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