Categories

Other Specialized Motors

Textbook

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

AC Instrumentation Transducers

Textbook

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

AC Commutator Motors

Textbook

Charles Proteus Steinmetz’s first job after arriving in America…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

Wheatstone Bridge Calculator

Tools

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.

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.

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

What is Alternating Current (AC)?

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

Instrumentation Amplifier Gain Calculator

Tools

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.

Reluctance Motor

Textbook

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

Parallel Resistor Calculator

Tools

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.

Wound Rotor Induction Motors

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Integrated Circuits

Textbook

  A Logic Gate is assigned as an elementary building block of…

Resistor Color Code Calculator and Chart (4-band, 5-band or 6-band)

Tools

A handy tool for reading resistor color code values

Square Root, Cube Root, and Nth Root Calculator

Tools

This calculator will determine the square root, cube root, or nth root of a given number, x.

Mutual Inductance

Worksheets - IoT

When an electric current is passed through a coil of wire, what…

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

Atomic Structure

Worksheets - IoT

Shown here is a simplified representation of an atom: the smallest…

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

DeMorgan’s Theorems

Textbook

A mathematician named DeMorgan developed a pair of important rules…

555 Schmitt Trigger

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Contributors (3)

Textbook

<p> Contributors to this chapter are listed in chronological…

The Shockley Diode

Textbook

Our exploration of thyristors begins with a device called the…

Decoder

Textbook

A decoder is a circuit that changes a code into a set of signals. It…

Free Space Path Loss Calculator

Tools

This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.

Servo Motor Systems

Worksheets - IoT

Explain the operation of this “H-bridge” motor control circuit: At…

Microstrip Max Current Calculator

Tools

A calculator for solving the maximum current a microstrip can handle.

Capacitor Impedance Calculator

Tools

This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

Gas Discharge Tubes

Textbook

If you’ve ever witnessed a lightning storm, you’ve seen…

Basic Electromagnetic Relays

Worksheets - IoT

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

Semiconductor Manufacturing Techniques

Textbook

The manufacture of only silicon based semiconductors is described…

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

The TRIAC

Textbook

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

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Transistor Ratings and Packages (IGFET)

Textbook

Op-Amp Voltage and Gain Calculator

Tools

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

Inductor Commutating Circuits

Textbook

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

Electromagnetic Induction Experiment

Textbook

PARTS AND MATERIALS Electromagnet from previous experiment Permanent…

Design Project: Voltmeter

Worksheets - IoT

The most important component of your voltmeter will be the…

Dielectric Strengths for Insulators

Textbook

Dielectric strength in kilovolts per inch (kV/in): Material*…

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Scientific Notation and Metric Prefixes

Worksheets - IoT

Write the following exponential expressions in expanded form: 101 =…

Contributors (12)

Textbook

Contributors to this chapter are listed in chronological order of…

Optoelectronic Devices

Worksheets - IoT

In this circuit, the electric motor is supposed to turn on whenever…

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.

The Bipolar Junction Transistor (BJT) as a Switch

Textbook

Bipolar junction transistors (Also known as BJTs) can be used as an…

Binary Count Sequence

Textbook

If we examine a four-bit binary count sequence from 0000 to 1111, a…

Switch Types

Textbook

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

Performance-Based Assessments for AC Circuit Competencies

Worksheets - IoT

(Template)

Shift Registers: Serial-in, Parallel-out (SIPO) Conversion

Textbook

A serial-in, parallel-out shift register is similar to the serial-in,…

Enhancement-type IGFETs

Textbook